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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Feb 18 22:42:10 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sun 18 Feb, 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:                              988292
    Prefixes after maximum aggregation (per Origin AS):          363223
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      457493
Total ASes present in the Internet Routing Table:                 75636
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64847
Origin ASes announcing only one prefix:                           26107
Transit ASes present in the Internet Routing Table:               10789
Transit-only ASes present in the Internet Routing Table:            508
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                     103
    Max AS path prepend of ASN (149381)                             100
Prefixes from unregistered ASNs in the Routing Table:              1252
    Number of instances of unregistered ASNs:                      1254
Number of 32-bit ASNs allocated by the RIRs:                      43680
Number of 32-bit ASNs visible in the Routing Table:               35983
Prefixes from 32-bit ASNs in the Routing Table:                  188788
Number of bogon 32-bit ASNs visible in the Routing Table:           190
Special use prefixes present in the Routing Table:                   33
Prefixes being announced from unallocated address space:            595
Number of addresses announced to Internet:                   3043477431
    Equivalent to 181 /8s, 103 /16s and 199 /24s
    Percentage of available address space announced:               82.2
    Percentage of allocated address space announced:               82.2
    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:      338141

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

Prefixes being announced by APNIC Region ASes:                   258706
    Total APNIC prefixes after maximum aggregation:               73595
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          251308
    Unique aggregates announced from the APNIC address blocks:   100279
APNIC Region origin ASes present in the Internet Routing Table:   14049
    APNIC Prefixes per ASN:                                       17.89
APNIC Region origin ASes announcing only one prefix:               4193
APNIC Region transit ASes present in the Internet Routing Table:   1882
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                        103
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9387
Number of APNIC addresses announced to Internet:              775094688
    Equivalent to 46 /8s, 51 /16s and 1 /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:                    283395
    Total ARIN prefixes after maximum aggregation:               125297
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           287814
    Unique aggregates announced from the ARIN address blocks:    132221
ARIN Region origin ASes present in the Internet Routing Table:    19126
    ARIN Prefixes per ASN:                                        15.05
ARIN Region origin ASes announcing only one prefix:                6945
ARIN Region transit ASes present in the Internet Routing Table:    1955
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4857
Number of ARIN addresses announced to Internet:              1269868864
    Equivalent to 75 /8s, 176 /16s and 169 /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:                    281180
    Total RIPE prefixes after maximum aggregation:               128462
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           275094
    Unique aggregates announced from the RIPE address blocks:    161807
RIPE Region origin ASes present in the Internet Routing Table:    28643
    RIPE Prefixes per ASN:                                         9.60
RIPE Region origin ASes announcing only one prefix:               12086
RIPE Region transit ASes present in the Internet Routing Table:    3986
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11638
Number of RIPE addresses announced to Internet:               713792371
    Equivalent to 42 /8s, 139 /16s and 155 /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:                  129717
    Total LACNIC prefixes after maximum aggregation:              28951
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:         128581
    Unique aggregates announced from the LACNIC address blocks:   49496
LACNIC Region origin ASes present in the Internet Routing Table:  11065
    LACNIC Prefixes per ASN:                                      11.62
LACNIC Region origin ASes announcing only one prefix:              2274
LACNIC Region transit ASes present in the Internet Routing Table:  2417
Average LACNIC Region AS path length visible:                       4.6
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8917
Number of LACNIC addresses announced to Internet:             178012768
    Equivalent to 10 /8s, 156 /16s and 66 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  34042
    Total AfriNIC prefixes after maximum aggregation:              6136
    AfriNIC Deaggregation factor:                                  5.55
Prefixes being announced from the AfriNIC address blocks:         44898
    Unique aggregates announced from the AfriNIC address blocks:  13185
AfriNIC Region origin ASes present in the Internet Routing Table:  1835
    AfriNIC Prefixes per ASN:                                     24.47
AfriNIC Region origin ASes announcing only one prefix:              609
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:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1184
Number of AfriNIC addresses announced to Internet:            106385408
    Equivalent to 6 /8s, 87 /16s and 80 /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        9828       8740      56  CHINAMOBILE-CN China Mobile Communicati
  7545        5676        784     681  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4989       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4606        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3877       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3608       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3502        497     252  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3375       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2719        861     372  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2496      11258     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        9615      11225    3374  AMAZON-02, US
   174        4819       6638     672  COGENT-174, US
 11492        4581        304     652  CABLEONE, US
  7155        4184        289      98  VIASAT-SP-BACKBONE, US
 22773        3628       3063     301  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3596       1320      75  SHAW, CA
 16625        3232       1406    2305  AKAMAI-AS, US
   749        3183      54927    2435  DNIC-AS-00749, US
   367        2900       3676    1406  DNIC-ASBLK-00306-00371, US
396982        2756       3639     396  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        9003       1214    2374  TTNET, TR
 12479        7608       1714     147  UNI2-AS, ES
 39891        4658        280      55  ALJAWWALSTC-AS, SA
 20940        3932       3397     151  AKAMAI-ASN1, NL
  9009        3289        285    1594  M247, RO
 12389        2961       2301     902  ROSTELECOM-AS, RU
  8551        2649        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2503        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2444       1852      14  TE-AS TE-AS, EG
 34984        2395        366     584  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       12458       3390     611  UNINET, MX
 10620        3522        496     891  Telmex Colombia S.A., CO
 13999        2512        341     649  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1325       2319     238  Claro NXT Telecomunicacoes Ltda, BR
  3816        1306        787     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1212        340     498  Axtel, S.A.B. de C.V., MX
 11664        1137        179     424  Techtel LMDS Comunicaciones Interactiva
 28202        1105         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1085        369      22  Telefonica del Peru S.A.A., PE

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        1632        316      43  Telkom-Internet, ZA
 24835        1547        545      28  RAYA-AS, EG
 24863        1523        389      16  LINKdotNET-AS, EG
 36992        1362       1519     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1135         73      60  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         552       1861      34  IAM-AS, MA
 36914         552         82       3  KENET-AS, KE
 15399         528         55      52  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       12458       3390     611  UNINET, MX
  9808        9828       8740      56  CHINAMOBILE-CN China Mobile Communicati
 16509        9615      11225    3374  AMAZON-02, US
 47331        9003       1214    2374  TTNET, TR
 12479        7608       1714     147  UNI2-AS, ES
  7545        5676        784     681  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4989       4192      75  ERX-CERNET-BKB China Education and Rese
   174        4819       6638     672  COGENT-174, US
 39891        4658        280      55  ALJAWWALSTC-AS, SA
 18403        4606        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        9828         9772  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7608         7461  UNI2-AS, ES
 47331        9003         6629  TTNET, TR
 16509        9615         6241  AMAZON-02, US
  7545        5676         4995  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4989         4914  ERX-CERNET-BKB China Education and Research Net
 39891        4658         4603  ALJAWWALSTC-AS, SA
 18403        4606         4581  FPT-AS-AP FPT Telecom Company, VN
   174        4819         4147  COGENT-174, US
  7155        4184         4086  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
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, 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
     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  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
10.119.249.48/30          55824  NKN-CORE-NW NKN Core Network, IN
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ

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
23.164.72.0/24       Origin:     49195  SSAC, CN
23.164.72.0/24      Transit:     57974  AS-PDCS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US

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      /11:98      /12:302     
/13:580     /14:1207    /15:2135    /16:13531   /17:8458    /18:14189   
/19:25534   /20:45586   /21:54149   /22:114088  /23:106846  /24:596616  
/25:1104    /26:1061    /27:1518    /28:166     /29:245     /30:83      
/31:100     /32:628     

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

   ASN  No of nets  Total ann.  Description
 47331        8113        9003  TTNET, TR
 12479        6724        7608  UNI2-AS, ES
  8151        6413       12458  UNINET, MX
 11492        3495        4581  CABLEONE, US
  6327        3393        3596  SHAW, CA
 39891        3340        4658  ALJAWWALSTC-AS, SA
  7155        3127        4184  VIASAT-SP-BACKBONE, US
 22773        2662        3628  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2144        2487  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2128        3522  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)
----------------------------------------------

   1:2326      2:1635      3:298       4:9         5:4668      6:164    
   7:6         8:1601      9:2        11:172      12:1472     13:386    
  14:2441     15:311      16:205      17:370      18:734      20:374    
  21:4        22:188      23:6640     24:3107     25:2        27:2701   
  29:19       31:2723     32:64       34:40       35:126      36:2193   
  37:4625     38:8007     39:907      40:141      41:4622     42:2214   
  43:2382     44:336      45:17706    46:4471     47:293      49:1924   
  50:1925     51:574      52:1618     54:336      55:878      56:5      
  57:156      58:2110     59:1227     60:1019     61:2764     62:2830   
  63:1954     64:5714     65:2373     66:5078     67:3121     68:1359   
  69:4142     70:1392     71:587      72:3000     74:2689     75:1591   
  76:637      77:2524     78:4144     79:2494     80:2167     81:2140   
  82:1587     83:1328     84:1658     85:4027     86:883      87:2261   
  88:2995     89:4125     90:677      91:8086     92:2260     93:2637   
  94:3815     95:5292     96:1321     97:314      98:1038     99:744    
 100:121     101:1181    102:3540    103:32968   104:4789    105:2027   
 106:996     107:2784    108:1140    109:4087    110:2181    111:3198   
 112:2094    113:1767    114:1772    115:2092    116:1990    117:2654   
 118:2781    119:2018    120:1816    121:1339    122:2788    123:2264   
 124:1683    125:2876    126:28      128:1564    129:1023    130:1139   
 131:1936    132:940     133:412     134:1710    135:353     136:931    
 137:1056    138:2994    139:1558    140:1371    141:1357    142:1604   
 143:1572    144:1017    145:346     146:2045    147:1708    148:2539   
 149:2567    150:1044    151:1345    152:1996    153:598     154:5978   
 155:1379    156:2134    157:1565    158:1103    159:2219    160:2691   
 161:1657    162:3660    163:1720    164:1692    165:2172    166:1078   
 167:1730    168:3994    169:822     170:4982    171:1030    172:3849   
 173:3062    174:905     175:1260    176:3812    177:5322    178:3677   
 179:2502    180:2461    181:3770    182:3441    183:1992    184:2279   
 185:20978   186:5184    187:4824    188:4225    189:4387    190:9517   
 191:1911    192:11039   193:9070    194:7575    195:5453    196:3682   
 197:2938    198:6076    199:7231    200:8455    201:6410    202:10846  
 203:10586   204:4618    205:3769    206:4541    207:3584    208:4190   
 209:5046    210:4766    211:2616    212:4402    213:3557    214:1118   
 215:44      216:6920    217:3011    218:1388    219:625     220:2058   
 221:1025    222:877     223:2232   

End of report


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