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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Feb 28 22:41:08 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Wed 28 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:                              990206
    Prefixes after maximum aggregation (per Origin AS):          363584
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      458316
Total ASes present in the Internet Routing Table:                 75745
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64870
Origin ASes announcing only one prefix:                           26096
Transit ASes present in the Internet Routing Table:               10875
Transit-only ASes present in the Internet Routing Table:            512
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:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1265
    Number of instances of unregistered ASNs:                      1267
Number of 32-bit ASNs allocated by the RIRs:                      43723
Number of 32-bit ASNs visible in the Routing Table:               36088
Prefixes from 32-bit ASNs in the Routing Table:                  189839
Number of bogon 32-bit ASNs visible in the Routing Table:           196
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            616
Number of addresses announced to Internet:                   3042944947
    Equivalent to 181 /8s, 95 /16s and 167 /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:      338566

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

Prefixes being announced by APNIC Region ASes:                   258828
    Total APNIC prefixes after maximum aggregation:               73808
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          251386
    Unique aggregates announced from the APNIC address blocks:   100325
APNIC Region origin ASes present in the Internet Routing Table:   14079
    APNIC Prefixes per ASN:                                       17.86
APNIC Region origin ASes announcing only one prefix:               4197
APNIC Region transit ASes present in the Internet Routing Table:   1890
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9432
Number of APNIC addresses announced to Internet:              774981536
    Equivalent to 46 /8s, 49 /16s and 71 /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:                    283783
    Total ARIN prefixes after maximum aggregation:               125226
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           288179
    Unique aggregates announced from the ARIN address blocks:    132612
ARIN Region origin ASes present in the Internet Routing Table:    19157
    ARIN Prefixes per ASN:                                        15.04
ARIN Region origin ASes announcing only one prefix:                6951
ARIN Region transit ASes present in the Internet Routing Table:    1966
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4862
Number of ARIN addresses announced to Internet:              1270671936
    Equivalent to 75 /8s, 188 /16s and 234 /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:                    281639
    Total RIPE prefixes after maximum aggregation:               128604
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           275701
    Unique aggregates announced from the RIPE address blocks:    162170
RIPE Region origin ASes present in the Internet Routing Table:    28656
    RIPE Prefixes per ASN:                                         9.62
RIPE Region origin ASes announcing only one prefix:               12102
RIPE Region transit ASes present in the Internet Routing Table:    4017
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          40
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11681
Number of RIPE addresses announced to Internet:               712828019
    Equivalent to 42 /8s, 124 /16s and 228 /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:                  130527
    Total LACNIC prefixes after maximum aggregation:              28991
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         129310
    Unique aggregates announced from the LACNIC address blocks:   49455
LACNIC Region origin ASes present in the Internet Routing Table:  11080
    LACNIC Prefixes per ASN:                                      11.67
LACNIC Region origin ASes announcing only one prefix:              2234
LACNIC Region transit ASes present in the Internet Routing Table:  2455
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8926
Number of LACNIC addresses announced to Internet:             177720928
    Equivalent to 10 /8s, 151 /16s and 206 /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:                  34163
    Total AfriNIC prefixes after maximum aggregation:              6160
    AfriNIC Deaggregation factor:                                  5.55
Prefixes being announced from the AfriNIC address blocks:         45013
    Unique aggregates announced from the AfriNIC address blocks:  13235
AfriNIC Region origin ASes present in the Internet Routing Table:  1841
    AfriNIC Prefixes per ASN:                                     24.45
AfriNIC Region origin ASes announcing only one prefix:              612
AfriNIC Region transit ASes present in the Internet Routing Table:  358
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       46
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1187
Number of AfriNIC addresses announced to Internet:            106414080
    Equivalent to 6 /8s, 87 /16s and 192 /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        9816       8740      57  CHINAMOBILE-CN China Mobile Communicati
  7545        5651        777     672  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5030       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4558        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3880       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3608       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3514        497     255  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3291       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2745        862     371  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2492      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        9704      11251    3358  AMAZON-02, US
 22773        5011       3063     300  ASN-CXA-ALL-CCI-22773-RDC, US
   174        4932       6643     684  COGENT-174, US
 11492        4581        304     644  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3595       1320      75  SHAW, CA
 16625        3245       1412    2307  AKAMAI-AS, US
   749        3183      54927    2435  DNIC-AS-00749, US
   367        2903       3648    1412  DNIC-ASBLK-00306-00371, US
396982        2761       3640     397  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        8996       1210    2370  TTNET, TR
 12479        7608       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3943       3396     150  AKAMAI-ASN1, NL
  9009        3292        285    1604  M247, RO
 12389        2978       2304     908  ROSTELECOM-AS, RU
  8551        2682        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2505        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2449       1852      14  TE-AS TE-AS, EG
 34984        2397        366     586  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       12502       3356     610  UNINET, MX
 10620        3524        496     890  Telmex Colombia S.A., CO
 13999        2523        342     644  Mega Cable, S.A. de C.V., MX
 11830        2006        369      64  Instituto Costarricense de Electricidad
 28573        1337       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1310        787     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1213        349     490  Axtel, S.A.B. de C.V., MX
 11664        1143        179     420  Techtel LMDS Comunicaciones Interactiva
 26615        1124       2503      61  TIM SA, BR
 28202        1105         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        1629        315      40  Telkom-Internet, ZA
 24835        1550        545      28  RAYA-AS, EG
 24863        1518        389      16  LINKdotNET-AS, EG
 36992        1362       1519     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1157         74      60  ORANGE-COTE-IVOIRE, CI
 36935         953        523      49  Vodafone-, EG
 36914         563         82       3  KENET-AS, KE
  6713         555       1861      34  IAM-AS, MA
 15399         518         55      47  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       12502       3356     610  UNINET, MX
  9808        9816       8740      57  CHINAMOBILE-CN China Mobile Communicati
 16509        9704      11251    3358  AMAZON-02, US
 47331        8996       1210    2370  TTNET, TR
 12479        7608       1714     147  UNI2-AS, ES
  7545        5651        777     672  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5030       4192      75  ERX-CERNET-BKB China Education and Rese
 22773        5011       3063     300  ASN-CXA-ALL-CCI-22773-RDC, US
   174        4932       6643     684  COGENT-174, US
 39891        4758        286      60  ALJAWWALSTC-AS, SA

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        9816         9759  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7608         7461  UNI2-AS, ES
 47331        8996         6626  TTNET, TR
 16509        9704         6346  AMAZON-02, US
  7545        5651         4979  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5030         4955  ERX-CERNET-BKB China Education and Research Net
 22773        5011         4711  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4558         4533  FPT-AS-AP FPT Telecom Company, VN
   174        4932         4248  COGENT-174, 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            46887  LIGHTOWER, 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
100.65.6.0/24             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
100.66.9.0/24             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
23.176.160.0/24      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
27.0.192.0/24        Origin:    136800  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.192.0/24       Transit:      3491  BTN-ASN, 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      /12:301     
/13:579     /14:1208    /15:2136    /16:13531   /17:8472    /18:14195   
/19:25445   /20:45554   /21:53814   /22:114271  /23:106748  /24:598923  
/25:1100    /26:1049    /27:1503    /28:160     /29:254     /30:84      
/31:102     /32:611     

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

   ASN  No of nets  Total ann.  Description
 47331        8114        8996  TTNET, TR
 12479        6723        7608  UNI2-AS, ES
  8151        6454       12502  UNINET, MX
 22773        4045        5011  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3494        4581  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3393        3595  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2161        2504  MEDIACOM-ENTERPRISE-BUSINESS, US
  8551        2158        2682  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

   1:2324      2:1607      3:303       4:22        5:4677      6:161    
   7:6         8:1628      9:2        11:178      12:1473     13:390    
  14:2442     15:313      16:208      17:372      18:742      20:379    
  21:4        22:188      23:6668     24:3163     25:2        27:2657   
  29:19       31:2730     32:61       34:46       35:127      36:2213   
  37:4638     38:8186     39:899      40:140      41:4657     42:2192   
  43:2387     44:331      45:17798    46:4465     47:292      49:1936   
  50:1929     51:580      52:1616     54:312      55:888      56:5      
  57:158      58:2112     59:1203     60:1022     61:2769     62:2851   
  63:1946     64:5722     65:2372     66:4858     67:3125     68:1609   
  69:4106     70:1519     71:583      72:3033     74:2630     75:1592   
  76:635      77:2540     78:4141     79:2525     80:2176     81:2164   
  82:1574     83:1325     84:1665     85:4038     86:943      87:2258   
  88:3000     89:4145     90:679      91:8112     92:2274     93:2659   
  94:3830     95:5324     96:1321     97:314      98:1093     99:745    
 100:122     101:1183    102:3544    103:32990   104:4783    105:2033   
 106:1004    107:2787    108:1134    109:4097    110:2174    111:3204   
 112:2092    113:1782    114:1785    115:2154    116:1989    117:2660   
 118:2790    119:2022    120:1815    121:1362    122:2818    123:2267   
 124:1638    125:2881    126:28      128:1594    129:1022    130:1158   
 131:1935    132:936     133:410     134:1717    135:354     136:934    
 137:1063    138:3022    139:1565    140:1379    141:1364    142:1609   
 143:1582    144:1016    145:345     146:2055    147:1720    148:2522   
 149:2590    150:1044    151:1341    152:2001    153:595     154:6049   
 155:1392    156:2138    157:1611    158:1104    159:2246    160:2702   
 161:1658    162:3637    163:1736    164:1707    165:2164    166:1075   
 167:1723    168:4136    169:821     170:5004    171:1035    172:3853   
 173:3073    174:931     175:1257    176:3817    177:5450    178:3707   
 179:2528    180:2471    181:3760    182:3423    183:2034    184:2278   
 185:20994   186:5239    187:4858    188:4248    189:4394    190:9530   
 191:1917    192:11045   193:9072    194:7628    195:5454    196:3689   
 197:2975    198:6072    199:7338    200:8530    201:6444    202:10787  
 203:10574   204:4641    205:3794    206:4585    207:3594    208:4217   
 209:5068    210:4783    211:2605    212:4403    213:3564    214:1116   
 215:44      216:6827    217:3059    218:1387    219:606     220:2120   
 221:1028    222:879     223:2238   

End of report


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