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

REN Routing Table Report cscora at bgp.nsrc.org
Tue May 28 22:40:51 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Tue 28 May, 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:                              1010736
    Prefixes after maximum aggregation (per Origin AS):          367632
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      463215
Total ASes present in the Internet Routing Table:                 76189
    Prefixes per ASN:                                             13.27
Origin-only ASes present in the Internet Routing Table:           65187
Origin ASes announcing only one prefix:                           26114
Transit ASes present in the Internet Routing Table:               11002
Transit-only ASes present in the Internet Routing Table:            531
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      60
    Max AS path prepend of ASN ( 53153)                              57
Prefixes from unregistered ASNs in the Routing Table:              1383
    Number of instances of unregistered ASNs:                      1385
Number of 32-bit ASNs allocated by the RIRs:                      44593
Number of 32-bit ASNs visible in the Routing Table:               36672
Prefixes from 32-bit ASNs in the Routing Table:                  198036
Number of bogon 32-bit ASNs visible in the Routing Table:           169
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            916
Number of addresses announced to Internet:                   3030718836
    Equivalent to 180 /8s, 165 /16s and 25 /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:      345693

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

Prefixes being announced by APNIC Region ASes:                   264465
    Total APNIC prefixes after maximum aggregation:               74926
    APNIC Deaggregation factor:                                    3.53
Prefixes being announced from the APNIC address blocks:          256313
    Unique aggregates announced from the APNIC address blocks:   101292
APNIC Region origin ASes present in the Internet Routing Table:   14298
    APNIC Prefixes per ASN:                                       17.93
APNIC Region origin ASes announcing only one prefix:               4293
APNIC Region transit ASes present in the Internet Routing Table:   1940
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9642
Number of APNIC addresses announced to Internet:              762475680
    Equivalent to 45 /8s, 114 /16s and 116 /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:                    287250
    Total ARIN prefixes after maximum aggregation:               126581
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           291920
    Unique aggregates announced from the ARIN address blocks:    133826
ARIN Region origin ASes present in the Internet Routing Table:    19207
    ARIN Prefixes per ASN:                                        15.20
ARIN Region origin ASes announcing only one prefix:                6960
ARIN Region transit ASes present in the Internet Routing Table:    2006
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:    4930
Number of ARIN addresses announced to Internet:              1268366658
    Equivalent to 75 /8s, 153 /16s and 189 /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:                    286483
    Total RIPE prefixes after maximum aggregation:               129918
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           280200
    Unique aggregates announced from the RIPE address blocks:    164666
RIPE Region origin ASes present in the Internet Routing Table:    28767
    RIPE Prefixes per ASN:                                         9.74
RIPE Region origin ASes announcing only one prefix:               12110
RIPE Region transit ASes present in the Internet Routing Table:    4033
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          41
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11876
Number of RIPE addresses announced to Internet:               714950770
    Equivalent to 42 /8s, 157 /16s and 72 /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:                  136205
    Total LACNIC prefixes after maximum aggregation:              29223
    LACNIC Deaggregation factor:                                   4.66
Prefixes being announced from the LACNIC address blocks:         134581
    Unique aggregates announced from the LACNIC address blocks:   49763
LACNIC Region origin ASes present in the Internet Routing Table:  11115
    LACNIC Prefixes per ASN:                                      12.11
LACNIC Region origin ASes announcing only one prefix:              2137
LACNIC Region transit ASes present in the Internet Routing Table:  2466
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        60
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9001
Number of LACNIC addresses announced to Internet:             177222944
    Equivalent to 10 /8s, 144 /16s and 53 /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:                  34950
    Total AfriNIC prefixes after maximum aggregation:              6258
    AfriNIC Deaggregation factor:                                  5.58
Prefixes being announced from the AfriNIC address blocks:         46805
    Unique aggregates announced from the AfriNIC address blocks:  13140
AfriNIC Region origin ASes present in the Internet Routing Table:  1852
    AfriNIC Prefixes per ASN:                                     25.27
AfriNIC Region origin ASes announcing only one prefix:              614
AfriNIC Region transit ASes present in the Internet Routing Table:  352
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1223
Number of AfriNIC addresses announced to Internet:            107273984
    Equivalent to 6 /8s, 100 /16s and 223 /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        9853       8745      72  CHINAMOBILE-CN China Mobile Communicati
  7545        5631        776     666  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5038       4192      74  ERX-CERNET-BKB China Education and Rese
 45899        4538       1893      44  VNPT-AS-VN VNPT Corp, VN
 18403        4457        347      24  FPT-AS-AP FPT Telecom Company, VN
  7552        3929       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3760        509     263  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3645       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 24560        2795        863     374  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2485      11522     583  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       10017      11394    3544  AMAZON-02, US
   174        5348       8783     877  COGENT-174, US
 11492        4625        307     585  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3591       1320      79  SHAW, CA
 22773        3542       3043     231  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3222      54904    2474  DNIC-AS-00749, US
 16625        3160       1352    2253  AKAMAI-AS, US
  7018        2810      23660    1773  ATT-INTERNET4, US
   367        2781       3402    1300  DNIC-ASBLK-00306-00371, 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        9186       1233    2064  TTNET, TR
 12479        7764       1708     145  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3911       3396     153  AKAMAI-ASN1, NL
  9009        3525        301    1759  M247, RO
 12389        2989       2304     899  ROSTELECOM-AS, RU
  8551        2668        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  8452        2591       1852      14  TE-AS TE-AS, EG
  5384        2484        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2388        365     571  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       12212       3322     492  UNINET, MX
 10620        3511        492     942  Telmex Colombia S.A., CO
 13999        2546        355     667  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1557       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1323        790     196  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1231        216      21  ETB - Colombia, CO
 11664        1191        177     438  Techtel LMDS Comunicaciones Interactiva
  6503        1128        315     480  Axtel, S.A.B. de C.V., MX
 28202        1123         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        1618        314      37  Telkom-Internet, ZA
 24835        1548        545      28  RAYA-AS, EG
 24863        1509        389      20  LINKdotNET-AS, EG
 36992        1378       1520     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1208         77      62  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         557       1861      35  IAM-AS, MA
 36914         557         82       3  KENET-AS, KE
 15399         539         56      56  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       12212       3322     492  UNINET, MX
 16509       10017      11394    3544  AMAZON-02, US
  9808        9853       8745      72  CHINAMOBILE-CN China Mobile Communicati
 47331        9186       1233    2064  TTNET, TR
 12479        7764       1708     145  UNI2-AS, ES
  7545        5631        776     666  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5348       8783     877  COGENT-174, US
  4538        5038       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4625        307     585  CABLEONE, US

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        9853         9781  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7764         7619  UNI2-AS, ES
 47331        9186         7122  TTNET, TR
 16509       10017         6473  AMAZON-02, US
  7545        5631         4965  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5038         4964  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 45899        4538         4494  VNPT-AS-VN VNPT Corp, VN
   174        5348         4471  COGENT-174, US
 18403        4457         4433  FPT-AS-AP FPT Telecom Company, VN

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
     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
    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
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
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      3491  BTN-ASN, US
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
23.147.240.0/24      Origin:    398208  RESERVED, ZZ
23.147.240.0/24     Transit:     19930  EQUINIX-EC-CH, 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      /11:93      /12:298     
/13:582     /14:1197    /15:2129    /16:13426   /17:8537    /18:14790   
/19:25808   /20:45820   /21:54612   /22:115771  /23:108720  /24:612660  
/25:1130    /26:1100    /27:1608    /28:309     /29:518     /30:517     
/31:351     /32:692     

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

   ASN  No of nets  Total ann.  Description
 47331        8291        9186  TTNET, TR
 12479        6858        7764  UNI2-AS, ES
  8151        6243       12212  UNINET, MX
 11492        3534        4625  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3389        3591  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2640        3542  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2165        2511  MEDIACOM-ENTERPRISE-BUSINESS, US
 16509        2145       10017  AMAZON-02, US

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

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

   1:2334      2:1724      3:348       4:22        5:4750      6:162    
   7:6         8:1623      9:1        11:172      12:1469     13:363    
  14:2490     15:319      16:211      17:375      18:769      20:396    
  21:4        22:188      23:6843     24:3121     25:2        27:2639   
  29:19       31:2742     32:61       34:66       35:138      36:2333   
  37:4624     38:8818     39:904      40:125      41:4684     42:2168   
  43:2442     44:325      45:18541    46:4609     47:308      49:1981   
  50:1934     51:584      52:1619     54:314      55:1001     56:5      
  57:188      58:2156     59:1270     60:1031     61:2802     62:2840   
  63:1922     64:5740     65:2396     66:4852     67:3075     68:1346   
  69:4152     70:1387     71:597      72:2957     74:2628     75:1589   
  76:623      77:2628     78:4188     79:2570     80:2226     81:2276   
  82:1709     83:1422     84:1680     85:4115     86:1018     87:2319   
  88:3139     89:4276     90:687      91:8292     92:2403     93:2746   
  94:3923     95:5445     96:1288     97:315      98:1051     99:741    
 100:91      101:1201    102:3958    103:33190   104:4836    105:2073   
 106:1023    107:2791    108:1156    109:4256    110:2192    111:3291   
 112:2111    113:1842    114:1825    115:2174    116:1917    117:2682   
 118:2884    119:2085    120:1808    121:1380    122:2845    123:2267   
 124:1711    125:2911    126:32      128:1544    129:1027    130:1198   
 131:2011    132:925     133:412     134:1747    135:365     136:1068   
 137:1083    138:3158    139:1552    140:1388    141:1364    142:1604   
 143:1717    144:1020    145:370     146:2113    147:1974    148:2543   
 149:2821    150:1052    151:1352    152:2200    153:594     154:6997   
 155:1475    156:2327    157:1856    158:1163    159:2350    160:2777   
 161:1732    162:3596    163:1777    164:1719    165:2201    166:1183   
 167:1825    168:4288    169:837     170:5335    171:1064    172:3893   
 173:3077    174:897     175:1278    176:3855    177:6316    178:3861   
 179:2693    180:2457    181:3823    182:3418    183:2022    184:2286   
 185:21207   186:5612    187:5190    188:4373    189:4579    190:9808   
 191:2082    192:11095   193:9199    194:7710    195:5499    196:3734   
 197:2925    198:6113    199:7913    200:8600    201:6586    202:10870  
 203:10683   204:4661    205:3716    206:4559    207:3662    208:4221   
 209:5128    210:4812    211:2678    212:4442    213:3621    214:1074   
 215:49      216:6951    217:3202    218:1369    219:615     220:2051   
 221:1046    222:984     223:2245   

End of report


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