[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 23 22:41:09 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Tue 23 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:                              1001654
    Prefixes after maximum aggregation (per Origin AS):          366322
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      461007
Total ASes present in the Internet Routing Table:                 75966
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           65014
Origin ASes announcing only one prefix:                           25937
Transit ASes present in the Internet Routing Table:               10952
Transit-only ASes present in the Internet Routing Table:            534
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.5
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1195
    Number of instances of unregistered ASNs:                      1200
Number of 32-bit ASNs allocated by the RIRs:                      44226
Number of 32-bit ASNs visible in the Routing Table:               36409
Prefixes from 32-bit ASNs in the Routing Table:                  197213
Number of bogon 32-bit ASNs visible in the Routing Table:           178
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            651
Number of addresses announced to Internet:                   3030392756
    Equivalent to 180 /8s, 160 /16s and 31 /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:      342533

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

Prefixes being announced by APNIC Region ASes:                   260941
    Total APNIC prefixes after maximum aggregation:               74484
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          253004
    Unique aggregates announced from the APNIC address blocks:   100656
APNIC Region origin ASes present in the Internet Routing Table:   14191
    APNIC Prefixes per ASN:                                       17.83
APNIC Region origin ASes announcing only one prefix:               4239
APNIC Region transit ASes present in the Internet Routing Table:   1913
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9549
Number of APNIC addresses announced to Internet:              761843360
    Equivalent to 45 /8s, 104 /16s and 206 /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:                    284232
    Total ARIN prefixes after maximum aggregation:               126336
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288742
    Unique aggregates announced from the ARIN address blocks:    133434
ARIN Region origin ASes present in the Internet Routing Table:    19181
    ARIN Prefixes per ASN:                                        15.05
ARIN Region origin ASes announcing only one prefix:                6937
ARIN Region transit ASes present in the Internet Routing Table:    1989
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4898
Number of ARIN addresses announced to Internet:              1269175618
    Equivalent to 75 /8s, 166 /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, 393216-402332
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:                    283252
    Total RIPE prefixes after maximum aggregation:               129464
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           277858
    Unique aggregates announced from the RIPE address blocks:    163944
RIPE Region origin ASes present in the Internet Routing Table:    28702
    RIPE Prefixes per ASN:                                         9.68
RIPE Region origin ASes announcing only one prefix:               12077
RIPE Region transit ASes present in the Internet Routing Table:    4057
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          44
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11793
Number of RIPE addresses announced to Internet:               714979698
    Equivalent to 42 /8s, 157 /16s and 185 /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:                  137162
    Total LACNIC prefixes after maximum aggregation:              29040
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135580
    Unique aggregates announced from the LACNIC address blocks:   49469
LACNIC Region origin ASes present in the Internet Routing Table:  11093
    LACNIC Prefixes per ASN:                                      12.22
LACNIC Region origin ASes announcing only one prefix:              2079
LACNIC Region transit ASes present in the Internet Routing Table:  2434
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8962
Number of LACNIC addresses announced to Internet:             177255264
    Equivalent to 10 /8s, 144 /16s and 179 /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:                  34872
    Total AfriNIC prefixes after maximum aggregation:              6258
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         45818
    Unique aggregates announced from the AfriNIC address blocks:  13006
AfriNIC Region origin ASes present in the Internet Routing Table:  1841
    AfriNIC Prefixes per ASN:                                     24.89
AfriNIC Region origin ASes announcing only one prefix:              605
AfriNIC Region transit ASes present in the Internet Routing Table:  359
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1207
Number of AfriNIC addresses announced to Internet:            106812160
    Equivalent to 6 /8s, 93 /16s and 211 /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        9884       8744      68  CHINAMOBILE-CN China Mobile Communicati
  7545        5665        777     679  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5041       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4614        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3882       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3602        499     257  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3599       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3292       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2782        864     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2508      11524     588  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        9824      11360    3502  AMAZON-02, US
   174        5234       6629     836  COGENT-174, US
 11492        4596        305     618  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3608       1320      75  SHAW, CA
 22773        3547       3064     239  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3201      54912    2453  DNIC-AS-00749, US
 16625        3168       1345    2246  AKAMAI-AS, US
   367        2841       3551    1363  DNIC-ASBLK-00306-00371, US
  7018        2776      23649    1777  ATT-INTERNET4, 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        9059       1223    2277  TTNET, TR
 12479        7721       1710     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3965       3396     150  AKAMAI-ASN1, NL
  9009        3308        286    1621  M247, RO
 12389        2880       2299     903  ROSTELECOM-AS, RU
  8551        2651        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2395        367     575  TELLCOM-AS, TR
  8452        1833       1852      14  TE-AS TE-AS, EG

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       12424       3319     490  UNINET, MX
 10620        3525        495     909  Telmex Colombia S.A., CO
 13999        2532        350     661  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1553       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1313        788     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1230        216      21  ETB - Colombia, CO
 11664        1155        175     428  Techtel LMDS Comunicaciones Interactiva
  6503        1133        314     478  Axtel, S.A.B. de C.V., MX
 28202        1122         52       9  Rede Brasileira de Comunicacao SA, BR

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        1636        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1503        389      20  LINKdotNET-AS, EG
 36992        1369       1519     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1195         76      64  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         558       1861      35  IAM-AS, MA
 36914         550         82       3  KENET-AS, KE
 15399         531         56      53  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       12424       3319     490  UNINET, MX
  9808        9884       8744      68  CHINAMOBILE-CN China Mobile Communicati
 16509        9824      11360    3502  AMAZON-02, US
 47331        9059       1223    2277  TTNET, TR
 12479        7721       1710     145  UNI2-AS, ES
  7545        5665        777     679  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5234       6629     836  COGENT-174, US
  4538        5041       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4614        347      23  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        9884         9816  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7721         7576  UNI2-AS, ES
 47331        9059         6782  TTNET, TR
 16509        9824         6322  AMAZON-02, US
  7545        5665         4986  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5041         4967  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4614         4591  FPT-AS-AP FPT Telecom Company, VN
   174        5234         4398  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            46887  CROWNCASTLE-AS46887, 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
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
27.0.192.0/22        Origin:    138415  YANCYLIMITED-AS-HK Yancy 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

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     
/13:583     /14:1211    /15:2141    /16:13420   /17:8501    /18:14200   
/19:25464   /20:45453   /21:54096   /22:115108  /23:108020  /24:607997  
/25:1101    /26:1070    /27:1513    /28:165     /29:280     /30:123     
/31:117     /32:628     

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

   ASN  No of nets  Total ann.  Description
 47331        8166        9059  TTNET, TR
 12479        6831        7721  UNI2-AS, ES
  8151        6441       12424  UNINET, MX
 11492        3509        4596  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3406        3608  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2636        3547  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2153        2500  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2138        3525  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)
----------------------------------------------

   1:2339      2:1715      3:326       4:22        5:4693      6:163    
   7:6         8:1613      9:1        11:172      12:1464     13:365    
  14:2456     15:318      16:209      17:373      18:764      20:379    
  21:4        22:188      23:6762     24:3122     25:2        27:2680   
  29:19       31:2850     32:60       34:66       35:132      36:2325   
  37:4610     38:8525     39:898      40:126      41:4679     42:2221   
  43:2426     44:320      45:18662    46:4555     47:310      49:1951   
  50:1947     51:577      52:1616     54:310      55:999      56:5      
  57:179      58:2140     59:1267     60:1032     61:2779     62:2843   
  63:1933     64:5750     65:2397     66:4852     67:3080     68:1347   
  69:4166     70:1385     71:591      72:2967     74:2636     75:1587   
  76:614      77:2596     78:4162     79:2553     80:2217     81:2142   
  82:1633     83:1400     84:1661     85:4069     86:948      87:2290   
  88:3044     89:4223     90:671      91:8275     92:2297     93:2703   
  94:3815     95:5391     96:1307     97:315      98:1058     99:742    
 100:93      101:1197    102:3670    103:33004   104:4875    105:2084   
 106:1012    107:2810    108:1121    109:4157    110:2184    111:3280   
 112:2089    113:1837    114:1807    115:2154    116:1907    117:2642   
 118:2873    119:2048    120:1812    121:1357    122:2824    123:2259   
 124:1699    125:2896    126:32      128:1563    129:1034    130:1180   
 131:2056    132:924     133:410     134:1739    135:362     136:951    
 137:1077    138:3224    139:1569    140:1394    141:1378    142:1621   
 143:1668    144:1006    145:349     146:2098    147:1878    148:2533   
 149:2635    150:1049    151:1367    152:2051    153:594     154:6852   
 155:1473    156:2519    157:1791    158:1157    159:2334    160:2749   
 161:1674    162:3607    163:1720    164:1708    165:2187    166:1175   
 167:1821    168:4270    169:831     170:5152    171:1031    172:3849   
 173:3076    174:901     175:1253    176:3808    177:6402    178:3718   
 179:2721    180:2449    181:3801    182:3414    183:2058    184:2298   
 185:21099   186:5690    187:5226    188:4275    189:4620    190:9747   
 191:2083    192:11026   193:9155    194:7653    195:5473    196:3310   
 197:2743    198:6082    199:7711    200:8669    201:6645    202:10825  
 203:10577   204:4647    205:3824    206:4567    207:3596    208:4201   
 209:5135    210:4798    211:2611    212:4393    213:3579    214:1064   
 215:49      216:6897    217:3186    218:1387    219:606     220:2058   
 221:1043    222:886     223:2247   

End of report


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