[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view

REN Routing Table Report cscora at bgp.nsrc.org
Tue Apr 2 22:41:26 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Tue 02 Apr, 2024

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

Analysis Summary
----------------

BGP routing table entries examined:                              998198
    Prefixes after maximum aggregation (per Origin AS):          365197
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      459495
Total ASes present in the Internet Routing Table:                 75800
    Prefixes per ASN:                                             13.17
Origin-only ASes present in the Internet Routing Table:           65187
Origin ASes announcing only one prefix:                           25931
Transit ASes present in the Internet Routing Table:               10613
Transit-only ASes present in the Internet Routing Table:            497
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1188
    Number of instances of unregistered ASNs:                      1190
Number of 32-bit ASNs allocated by the RIRs:                      43989
Number of 32-bit ASNs visible in the Routing Table:               36255
Prefixes from 32-bit ASNs in the Routing Table:                  194753
Number of bogon 32-bit ASNs visible in the Routing Table:           172
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            644
Number of addresses announced to Internet:                   3030771893
    Equivalent to 180 /8s, 165 /16s and 232 /24s
    Percentage of available address space announced:               81.9
    Percentage of allocated address space announced:               81.9
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:      341159

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                   259868
    Total APNIC prefixes after maximum aggregation:               74038
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          252365
    Unique aggregates announced from the APNIC address blocks:   100243
APNIC Region origin ASes present in the Internet Routing Table:   14141
    APNIC Prefixes per ASN:                                       17.85
APNIC Region origin ASes announcing only one prefix:               4221
APNIC Region transit ASes present in the Internet Routing Table:   1890
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9492
Number of APNIC addresses announced to Internet:              761142176
    Equivalent to 45 /8s, 94 /16s and 27 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-153913
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                    283672
    Total ARIN prefixes after maximum aggregation:               126020
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           287895
    Unique aggregates announced from the ARIN address blocks:    133106
ARIN Region origin ASes present in the Internet Routing Table:    19166
    ARIN Prefixes per ASN:                                        15.02
ARIN Region origin ASes announcing only one prefix:                6946
ARIN Region transit ASes present in the Internet Routing Table:    1906
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4891
Number of ARIN addresses announced to Internet:              1270093122
    Equivalent to 75 /8s, 180 /16s and 21 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-401308
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  63/8,  64/8,  65/8,
                        66/8,  67/8,  68/8,  69/8,  70/8,  71/8,  72/8,
                        73/8,  74/8,  75/8,  76/8,  96/8,  97/8,  98/8,
                        99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
                       130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
                       138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
                       147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
                       158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
                       166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
                       174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
                       206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                      

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    282658
    Total RIPE prefixes after maximum aggregation:               129204
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276840
    Unique aggregates announced from the RIPE address blocks:    163085
RIPE Region origin ASes present in the Internet Routing Table:    28672
    RIPE Prefixes per ASN:                                         9.66
RIPE Region origin ASes announcing only one prefix:               12074
RIPE Region transit ASes present in the Internet Routing Table:    3917
Average RIPE Region AS path length visible:                         4.2
    Max RIPE Region AS path length visible:                          44
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11740
Number of RIPE addresses announced to Internet:               714835315
    Equivalent to 42 /8s, 155 /16s and 133 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-216475
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                  136385
    Total LACNIC prefixes after maximum aggregation:              28952
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         134895
    Unique aggregates announced from the LACNIC address blocks:   49557
LACNIC Region origin ASes present in the Internet Routing Table:  11078
    LACNIC Prefixes per ASN:                                      12.18
LACNIC Region origin ASes announcing only one prefix:              2086
LACNIC Region transit ASes present in the Internet Routing Table:  2403
Average LACNIC Region AS path length visible:                       4.2
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8936
Number of LACNIC addresses announced to Internet:             177341792
    Equivalent to 10 /8s, 146 /16s and 5 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  34427
    Total AfriNIC prefixes after maximum aggregation:              6244
    AfriNIC Deaggregation factor:                                  5.51
Prefixes being announced from the AfriNIC address blocks:         45558
    Unique aggregates announced from the AfriNIC address blocks:  12998
AfriNIC Region origin ASes present in the Internet Routing Table:  1830
    AfriNIC Prefixes per ASN:                                     24.90
AfriNIC Region origin ASes announcing only one prefix:              604
AfriNIC Region transit ASes present in the Internet Routing Table:  349
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1196
Number of AfriNIC addresses announced to Internet:            107037184
    Equivalent to 6 /8s, 97 /16s and 66 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
                      

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  9808        9841       8742      66  CHINAMOBILE-CN China Mobile Communicati
  7545        5654        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5034       4192      76  ERX-CERNET-BKB China Education and Rese
 18403        4631        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3860       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3622       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3563        497     256  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3292       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2769        863     369  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2493      11259     577  KIXS-AS-KR Korea Telecom, KR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9796      11363    3433  AMAZON-02, US
   174        5302       6631     822  COGENT-174, US
 11492        4584        304     636  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3605       1320      75  SHAW, CA
 22773        3553       3047     242  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3202      54912    2454  DNIC-AS-00749, US
 16625        3154       1349    2250  AKAMAI-AS, US
   367        2897       3582    1372  DNIC-ASBLK-00306-00371, US
396982        2764       3641     412  GOOGLE-CLOUD-PLATFORM, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9058       1223    2278  TTNET, TR
 12479        7681       1709     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3938       3396     150  AKAMAI-ASN1, NL
  9009        3275        284    1602  M247, RO
 12389        2992       2304     904  ROSTELECOM-AS, RU
  8551        2658        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2468       1852      14  TE-AS TE-AS, EG
 34984        2387        366     581  TELLCOM-AS, TR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12355       3315     495  UNINET, MX
 10620        3527        497     888  Telmex Colombia S.A., CO
 13999        2522        347     655  Mega Cable, S.A. de C.V., MX
 11830        2001        369      64  Instituto Costarricense de Electricidad
 28573        1550       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
 11664        1147        179     423  Techtel LMDS Comunicaciones Interactiva
 28202        1131         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1103        346     480  Axtel, S.A.B. de C.V., MX

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1630        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1502        389      20  LINKdotNET-AS, EG
 36992        1367       1519     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1159         75      74  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         554       1861      34  IAM-AS, MA
 36914         546         82       3  KENET-AS, KE
 15399         532         56      51  WANANCHI-, KE

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12355       3315     495  UNINET, MX
  9808        9841       8742      66  CHINAMOBILE-CN China Mobile Communicati
 16509        9796      11363    3433  AMAZON-02, US
 47331        9058       1223    2278  TTNET, TR
 12479        7681       1709     144  UNI2-AS, ES
  7545        5654        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5302       6631     822  COGENT-174, US
  4538        5034       4192      76  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4631        347      25  FPT-AS-AP FPT Telecom Company, VN

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808        9841         9775  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7681         7537  UNI2-AS, ES
 47331        9058         6780  TTNET, TR
 16509        9796         6363  AMAZON-02, US
  7545        5654         4980  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5034         4958  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4631         4606  FPT-AS-AP FPT Telecom Company, VN
   174        5302         4480  COGENT-174, US
  7155        4175         4084  VIASAT-SP-BACKBONE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24             17054  EXPEDIENT, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:      2386  INS-AS, US
23.141.0.0/24       Transit:      7018  ATT-INTERNET4, US
27.0.192.0/22        Origin:    138415  HENGDA-HK HENGDA NETWORK LIMITED, HK
27.0.192.0/22       Transit:     51847  NEAROUTE, HK
27.0.192.0/24        Origin:    138195  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.192.0/24       Transit:      3786  LGDACOM LG DACOM Corporation, KR
27.0.193.0/24        Origin:    138195  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.193.0/24       Transit:      3786  LGDACOM LG DACOM Corporation, KR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:95      /12:300     
/13:585     /14:1211    /15:2146    /16:13429   /17:8486    /18:14223   
/19:25491   /20:45471   /21:53996   /22:114804  /23:107752  /24:605178  
/25:1107    /26:1056    /27:1508    /28:166     /29:272     /30:113     
/31:114     /32:627     

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 47331        8166        9058  TTNET, TR
 12479        6797        7681  UNI2-AS, ES
  8151        6367       12355  UNINET, MX
 11492        3503        4584  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3402        3605  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2639        3553  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2140        2484  MEDIACOM-ENTERPRISE-BUSINESS, US
  8551        2134        2658  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2314      2:1683      3:320       4:22        5:4707      6:162    
   7:6         8:1624      9:2        11:172      12:1466     13:377    
  14:2450     15:318      16:210      17:373      18:755      20:374    
  21:4        22:188      23:6713     24:3121     25:2        27:2671   
  29:19       31:2823     32:62       34:65       35:126      36:2279   
  37:4616     38:8383     39:899      40:125      41:4626     42:2252   
  43:2393     44:322      45:18554    46:4501     47:308      49:1947   
  50:1937     51:579      52:1616     54:306      55:958      56:5      
  57:175      58:2127     59:1267     60:1028     61:2773     62:2854   
  63:1931     64:5760     65:2364     66:4872     67:3151     68:1358   
  69:4145     70:1385     71:585      72:2975     74:2618     75:1586   
  76:634      77:2574     78:4159     79:2516     80:2221     81:2185   
  82:1624     83:1394     84:1658     85:4053     86:937      87:2310   
  88:3053     89:4168     90:679      91:8247     92:2284     93:2677   
  94:3829     95:5368     96:1318     97:314      98:1047     99:743    
 100:113     101:1196    102:3515    103:32983   104:4828    105:2065   
 106:1001    107:2776    108:1130    109:4121    110:2176    111:3261   
 112:2091    113:1798    114:1801    115:2126    116:1903    117:2633   
 118:2872    119:2040    120:1815    121:1357    122:2817    123:2256   
 124:1683    125:2896    126:32      128:1568    129:1036    130:1150   
 131:2058    132:928     133:410     134:1731    135:358     136:955    
 137:1073    138:3182    139:1576    140:1400    141:1371    142:1629   
 143:1654    144:1011    145:347     146:2070    147:1757    148:2512   
 149:2650    150:1049    151:1358    152:2019    153:593     154:6522   
 155:1440    156:2286    157:1719    158:1154    159:2328    160:2694   
 161:1665    162:3635    163:1737    164:1727    165:2190    166:1123   
 167:1795    168:4284    169:827     170:5231    171:1036    172:3858   
 173:3071    174:911     175:1254    176:3799    177:6197    178:3722   
 179:2766    180:2458    181:3797    182:3405    183:2051    184:2283   
 185:21034   186:5570    187:5159    188:4261    189:4510    190:9680   
 191:2086    192:11057   193:9119    194:7628    195:5455    196:3676   
 197:2868    198:6056    199:7594    200:8604    201:6595    202:10814  
 203:10593   204:4624    205:3804    206:4560    207:3552    208:4189   
 209:5109    210:4794    211:2610    212:4407    213:3506    214:1090   
 215:50      216:6893    217:3048    218:1386    219:609     220:2051   
 221:1042    222:878     223:2241   

End of report


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