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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Apr 1 22:41:12 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Mon 01 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:                              998329
    Prefixes after maximum aggregation (per Origin AS):          364931
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      459314
Total ASes present in the Internet Routing Table:                 75825
    Prefixes per ASN:                                             13.17
Origin-only ASes present in the Internet Routing Table:           65034
Origin ASes announcing only one prefix:                           25941
Transit ASes present in the Internet Routing Table:               10791
Transit-only ASes present in the Internet Routing Table:            513
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1191
    Number of instances of unregistered ASNs:                      1193
Number of 32-bit ASNs allocated by the RIRs:                      43985
Number of 32-bit ASNs visible in the Routing Table:               36256
Prefixes from 32-bit ASNs in the Routing Table:                  194786
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:            642
Number of addresses announced to Internet:                   3030675637
    Equivalent to 180 /8s, 164 /16s and 112 /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:      341255

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

Prefixes being announced by APNIC Region ASes:                   259918
    Total APNIC prefixes after maximum aggregation:               74072
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          252344
    Unique aggregates announced from the APNIC address blocks:   100214
APNIC Region origin ASes present in the Internet Routing Table:   14150
    APNIC Prefixes per ASN:                                       17.83
APNIC Region origin ASes announcing only one prefix:               4237
APNIC Region transit ASes present in the Internet Routing Table:   1902
Average APNIC Region AS path length visible:                        5.1
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9498
Number of APNIC addresses announced to Internet:              761184160
    Equivalent to 45 /8s, 94 /16s and 191 /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:                    283599
    Total ARIN prefixes after maximum aggregation:               125911
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           287851
    Unique aggregates announced from the ARIN address blocks:    133069
ARIN Region origin ASes present in the Internet Routing Table:    19180
    ARIN Prefixes per ASN:                                        15.01
ARIN Region origin ASes announcing only one prefix:                6959
ARIN Region transit ASes present in the Internet Routing Table:    1960
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4895
Number of ARIN addresses announced to Internet:              1270064706
    Equivalent to 75 /8s, 179 /16s and 166 /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:                    282606
    Total RIPE prefixes after maximum aggregation:               129059
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276810
    Unique aggregates announced from the RIPE address blocks:    162974
RIPE Region origin ASes present in the Internet Routing Table:    28659
    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:    3982
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          44
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11734
Number of RIPE addresses announced to Internet:               714850931
    Equivalent to 42 /8s, 155 /16s and 194 /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:                  136501
    Total LACNIC prefixes after maximum aggregation:              28918
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135006
    Unique aggregates announced from the LACNIC address blocks:   49560
LACNIC Region origin ASes present in the Internet Routing Table:  11076
    LACNIC Prefixes per ASN:                                      12.19
LACNIC Region origin ASes announcing only one prefix:              2073
LACNIC Region transit ASes present in the Internet Routing Table:  2408
Average LACNIC Region AS path length visible:                       4.7
    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:             177294176
    Equivalent to 10 /8s, 145 /16s and 75 /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:                  34514
    Total AfriNIC prefixes after maximum aggregation:              6226
    AfriNIC Deaggregation factor:                                  5.54
Prefixes being announced from the AfriNIC address blocks:         45675
    Unique aggregates announced from the AfriNIC address blocks:  12993
AfriNIC Region origin ASes present in the Internet Routing Table:  1824
    AfriNIC Prefixes per ASN:                                     25.04
AfriNIC Region origin ASes announcing only one prefix:              598
AfriNIC Region transit ASes present in the Internet Routing Table:  357
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1193
Number of AfriNIC addresses announced to Internet:            106959872
    Equivalent to 6 /8s, 96 /16s and 20 /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        9839       8742      65  CHINAMOBILE-CN China Mobile Communicati
  7545        5660        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5017       4192      76  ERX-CERNET-BKB China Education and Rese
 18403        4623        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3859       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3615       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3525        495     254  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        9784      11362    3421  AMAZON-02, US
   174        5278       6630     818  COGENT-174, US
 11492        4596        305     619  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3603       1320      75  SHAW, CA
 22773        3550       3047     243  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3189      54916    2441  DNIC-AS-00749, US
 16625        3152       1348    2246  AKAMAI-AS, US
   367        2879       3580    1363  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        3933       3396     150  AKAMAI-ASN1, NL
  9009        3275        284    1602  M247, RO
 12389        2991       2304     904  ROSTELECOM-AS, RU
  8551        2657        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2516        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       12350       3315     495  UNINET, MX
 10620        3528        497     889  Telmex Colombia S.A., CO
 13999        2515        342     655  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1550       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1313        788     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
 11664        1147        179     423  Techtel LMDS Comunicaciones Interactiva
 28202        1129         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        1207         76      61  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         553       1861      34  IAM-AS, MA
 36914         544         82       3  KENET-AS, KE
 15399         538         56      55  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       12350       3315     495  UNINET, MX
  9808        9839       8742      65  CHINAMOBILE-CN China Mobile Communicati
 16509        9784      11362    3421  AMAZON-02, US
 47331        9058       1223    2278  TTNET, TR
 12479        7681       1709     144  UNI2-AS, ES
  7545        5660        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5278       6630     818  COGENT-174, US
  4538        5017       4192      76  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4623        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        9839         9774  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7681         7537  UNI2-AS, ES
 47331        9058         6780  TTNET, TR
 16509        9784         6363  AMAZON-02, US
  7545        5660         4986  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5017         4941  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4623         4598  FPT-AS-AP FPT Telecom Company, VN
   174        5278         4460  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              3356  LEVEL3, 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:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, 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    /16:13432   /17:8483    /18:14212   
/19:25502   /20:45517   /21:54006   /22:114780  /23:107754  /24:605272  
/25:1108    /26:1055    /27:1510    /28:165     /29:271     /30:114     
/31:114     /32:629     

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        6363       12350  UNINET, MX
 11492        3509        4596  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3401        3603  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2636        3550  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2139        2483  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2134        3528  Telmex Colombia S.A., CO

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

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

   1:2315      2:1679      3:320       4:22        5:4705      6:162    
   7:6         8:1633      9:2        11:172      12:1468     13:377    
  14:2450     15:318      16:210      17:373      18:756      20:374    
  21:4        22:188      23:6711     24:3115     25:2        27:2702   
  29:19       31:2823     32:62       34:66       35:126      36:2271   
  37:4622     38:8380     39:899      40:125      41:4629     42:2251   
  43:2399     44:321      45:18532    46:4519     47:307      49:1946   
  50:1934     51:579      52:1616     54:307      55:988      56:5      
  57:175      58:2126     59:1267     60:1029     61:2771     62:2847   
  63:1932     64:5766     65:2364     66:4873     67:3147     68:1358   
  69:4128     70:1385     71:585      72:2976     74:2617     75:1586   
  76:633      77:2575     78:4160     79:2521     80:2223     81:2180   
  82:1623     83:1393     84:1656     85:4047     86:935      87:2310   
  88:3054     89:4156     90:679      91:8237     92:2285     93:2665   
  94:3838     95:5392     96:1319     97:314      98:1050     99:743    
 100:113     101:1197    102:3526    103:32956   104:4825    105:2065   
 106:1003    107:2777    108:1131    109:4111    110:2177    111:3259   
 112:2097    113:1799    114:1801    115:2126    116:1904    117:2624   
 118:2868    119:2039    120:1814    121:1357    122:2815    123:2257   
 124:1683    125:2887    126:32      128:1564    129:1036    130:1138   
 131:2065    132:924     133:410     134:1730    135:359     136:955    
 137:1075    138:3191    139:1578    140:1393    141:1370    142:1643   
 143:1658    144:1010    145:347     146:2069    147:1753    148:2511   
 149:2646    150:1049    151:1358    152:1989    153:593     154:6544   
 155:1434    156:2286    157:1722    158:1118    159:2327    160:2701   
 161:1664    162:3635    163:1735    164:1726    165:2195    166:1080   
 167:1794    168:4279    169:827     170:5267    171:1036    172:3858   
 173:3069    174:911     175:1254    176:3840    177:6208    178:3721   
 179:2767    180:2458    181:3801    182:3399    183:2053    184:2284   
 185:21029   186:5569    187:5192    188:4259    189:4531    190:9684   
 191:2054    192:11061   193:9117    194:7623    195:5448    196:3685   
 197:2879    198:6059    199:7596    200:8622    201:6635    202:10802  
 203:10607   204:4625    205:3783    206:4566    207:3556    208:4188   
 209:5105    210:4794    211:2611    212:4402    213:3540    214:1088   
 215:50      216:6890    217:3057    218:1386    219:608     220:2051   
 221:1042    222:878     223:2240   

End of report


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