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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Mar 7 22:41:05 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 07 Mar, 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:                              991242
    Prefixes after maximum aggregation (per Origin AS):          363983
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      458622
Total ASes present in the Internet Routing Table:                 75779
    Prefixes per ASN:                                             13.08
Origin-only ASes present in the Internet Routing Table:           64840
Origin ASes announcing only one prefix:                           26103
Transit ASes present in the Internet Routing Table:               10939
Transit-only ASes present in the Internet Routing Table:            519
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:                                      55
    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:                      43780
Number of 32-bit ASNs visible in the Routing Table:               36140
Prefixes from 32-bit ASNs in the Routing Table:                  189993
Number of bogon 32-bit ASNs visible in the Routing Table:           191
Special use prefixes present in the Routing Table:                   31
Prefixes being announced from unallocated address space:            631
Number of addresses announced to Internet:                   3042924979
    Equivalent to 181 /8s, 95 /16s and 89 /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:      338833

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

Prefixes being announced by APNIC Region ASes:                   259603
    Total APNIC prefixes after maximum aggregation:               73780
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          252169
    Unique aggregates announced from the APNIC address blocks:   100041
APNIC Region origin ASes present in the Internet Routing Table:   14105
    APNIC Prefixes per ASN:                                       17.88
APNIC Region origin ASes announcing only one prefix:               4220
APNIC Region transit ASes present in the Internet Routing Table:   1907
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9454
Number of APNIC addresses announced to Internet:              775248288
    Equivalent to 46 /8s, 53 /16s and 89 /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:                    283805
    Total ARIN prefixes after maximum aggregation:               125439
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           288218
    Unique aggregates announced from the ARIN address blocks:    132613
ARIN Region origin ASes present in the Internet Routing Table:    19155
    ARIN Prefixes per ASN:                                        15.05
ARIN Region origin ASes announcing only one prefix:                6939
ARIN Region transit ASes present in the Internet Routing Table:    2011
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4874
Number of ARIN addresses announced to Internet:              1270558784
    Equivalent to 75 /8s, 187 /16s and 48 /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:                    282231
    Total RIPE prefixes after maximum aggregation:               128813
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276026
    Unique aggregates announced from the RIPE address blocks:    162501
RIPE Region origin ASes present in the Internet Routing Table:    28660
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12084
RIPE Region transit ASes present in the Internet Routing Table:    4019
Average RIPE Region AS path length visible:                         4.5
    Max RIPE Region AS path length visible:                          39
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11689
Number of RIPE addresses announced to Internet:               712887411
    Equivalent to 42 /8s, 125 /16s and 204 /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:                  130184
    Total LACNIC prefixes after maximum aggregation:              28988
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         128964
    Unique aggregates announced from the LACNIC address blocks:   49505
LACNIC Region origin ASes present in the Internet Routing Table:  11086
    LACNIC Prefixes per ASN:                                      11.63
LACNIC Region origin ASes announcing only one prefix:              2250
LACNIC Region transit ASes present in the Internet Routing Table:  2438
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8928
Number of LACNIC addresses announced to Internet:             177506912
    Equivalent to 10 /8s, 148 /16s and 138 /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:                  34154
    Total AfriNIC prefixes after maximum aggregation:              6166
    AfriNIC Deaggregation factor:                                  5.54
Prefixes being announced from the AfriNIC address blocks:         45233
    Unique aggregates announced from the AfriNIC address blocks:  13438
AfriNIC Region origin ASes present in the Internet Routing Table:  1837
    AfriNIC Prefixes per ASN:                                     24.62
AfriNIC Region origin ASes announcing only one prefix:              610
AfriNIC Region transit ASes present in the Internet Routing Table:  362
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1195
Number of AfriNIC addresses announced to Internet:            106396672
    Equivalent to 6 /8s, 87 /16s and 124 /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        9818       8740      57  CHINAMOBILE-CN China Mobile Communicati
  7545        5648        777     672  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4604        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3853       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3608       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3513        495     253  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3292       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2750        863     362  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2504      11259     579  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        9642      11306    3361  AMAZON-02, US
 22773        5012       3079     304  ASN-CXA-ALL-CCI-22773-RDC, US
   174        4900       6644     677  COGENT-174, US
 11492        4578        304     649  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3596       1320      75  SHAW, CA
 16625        3227       1400    2304  AKAMAI-AS, US
   749        3199      54920    2451  DNIC-AS-00749, US
   367        2929       3650    1415  DNIC-ASBLK-00306-00371, US
396982        2754       3638     403  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        8995       1210    2373  TTNET, TR
 12479        7619       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3937       3396     150  AKAMAI-ASN1, NL
  9009        3289        285    1602  M247, RO
 12389        2987       2304     904  ROSTELECOM-AS, RU
  8551        2655        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2503        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2459       1852      14  TE-AS TE-AS, EG
 34984        2400        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       12514       3350     591  UNINET, MX
 10620        3525        496     891  Telmex Colombia S.A., CO
 13999        2503        338     650  Mega Cable, S.A. de C.V., MX
 11830        2001        369      64  Instituto Costarricense de Electricidad
 28573        1343       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1312        787     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1208        349     490  Axtel, S.A.B. de C.V., MX
 11664        1144        179     421  Techtel LMDS Comunicaciones Interactiva
 26615        1138       2505      73  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        1549        545      28  RAYA-AS, EG
 24863        1520        389      20  LINKdotNET-AS, EG
 36992        1368       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1163         75      59  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
 36914         560         82       3  KENET-AS, KE
  6713         555       1861      34  IAM-AS, MA
 15399         533         56      54  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       12514       3350     591  UNINET, MX
  9808        9818       8740      57  CHINAMOBILE-CN China Mobile Communicati
 16509        9642      11306    3361  AMAZON-02, US
 47331        8995       1210    2373  TTNET, TR
 12479        7619       1714     147  UNI2-AS, ES
  7545        5648        777     672  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018       4192      75  ERX-CERNET-BKB China Education and Rese
 22773        5012       3079     304  ASN-CXA-ALL-CCI-22773-RDC, US
   174        4900       6644     677  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        9818         9761  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7619         7472  UNI2-AS, ES
 47331        8995         6622  TTNET, TR
 16509        9642         6281  AMAZON-02, US
  7545        5648         4976  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5018         4943  ERX-CERNET-BKB China Education and Research Net
 22773        5012         4708  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4604         4579  FPT-AS-AP FPT Telecom Company, VN
   174        4900         4223  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
     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
     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
100.65.6.0/24             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
100.65.16.0/23            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
100.66.10.0/24            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
23.172.216.0/24      Origin:    398741  AS-VERTEXLINK-01, US
23.172.216.0/24     Transit:     60539  HUICAST_TELECOM, HK
23.173.56.0/24       Origin:    399503  AMERICOM, US
23.173.56.0/24      Transit:       174  COGENT-174, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, 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      /12:300     
/13:579     /14:1208    /15:2135    /16:13534   /17:8462    /18:14206   
/19:25336   /20:45576   /21:53725   /22:114528  /23:106907  /24:599686  
/25:1110    /26:1054    /27:1506    /28:160     /29:259     /30:86      
/31:104     /32:615     

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

   ASN  No of nets  Total ann.  Description
 47331        8114        8995  TTNET, TR
 12479        6733        7619  UNI2-AS, ES
  8151        6471       12514  UNINET, MX
 22773        4043        5012  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3491        4578  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3394        3596  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2158        2502  MEDIACOM-ENTERPRISE-BUSINESS, US
  8551        2131        2655  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)
----------------------------------------------

   1:2325      2:1650      3:309       4:22        5:4692      6:161    
   7:6         8:1629      9:2        11:190      12:1472     13:380    
  14:2445     15:314      16:208      17:374      18:739      20:377    
  21:4        22:188      23:6684     24:3158     25:2        27:2710   
  29:19       31:2820     32:62       34:46       35:127      36:2212   
  37:4643     38:8225     39:901      40:140      41:4646     42:2208   
  43:2396     44:332      45:17766    46:4482     47:294      49:1935   
  50:1931     51:579      52:1614     54:307      55:858      56:5      
  57:161      58:2112     59:1204     60:1023     61:2766     62:2849   
  63:1944     64:5733     65:2369     66:4865     67:3133     68:1593   
  69:4098     70:1519     71:583      72:3035     74:2625     75:1586   
  76:636      77:2542     78:4147     79:2507     80:2188     81:2177   
  82:1576     83:1330     84:1661     85:4037     86:936      87:2272   
  88:3005     89:4162     90:684      91:8143     92:2266     93:2659   
  94:3823     95:5354     96:1324     97:313      98:1099     99:743    
 100:119     101:1187    102:3551    103:32980   104:4783    105:2055   
 106:1005    107:2785    108:1143    109:4112    110:2175    111:3201   
 112:2092    113:1788    114:1791    115:2173    116:1978    117:2628   
 118:2847    119:2024    120:1817    121:1362    122:2822    123:2270   
 124:1683    125:2880    126:28      128:1541    129:1025    130:1139   
 131:1922    132:931     133:410     134:1719    135:354     136:943    
 137:1065    138:3027    139:1584    140:1374    141:1368    142:1596   
 143:1595    144:1022    145:343     146:2062    147:1722    148:2524   
 149:2641    150:1099    151:1341    152:1994    153:595     154:6201   
 155:1372    156:2281    157:1630    158:1105    159:2250    160:2674   
 161:1663    162:3638    163:1742    164:1695    165:2178    166:1082   
 167:1733    168:4141    169:821     170:4991    171:1027    172:3861   
 173:3066    174:934     175:1258    176:3831    177:5316    178:3712   
 179:2531    180:2464    181:3779    182:3423    183:2038    184:2276   
 185:21014   186:5256    187:4841    188:4241    189:4368    190:9535   
 191:1898    192:11031   193:9091    194:7622    195:5457    196:3640   
 197:2972    198:6067    199:7430    200:8505    201:6442    202:10848  
 203:10587   204:4630    205:3753    206:4570    207:3592    208:4210   
 209:5072    210:4786    211:2606    212:4409    213:3565    214:1106   
 215:44      216:6874    217:3060    218:1387    219:606     220:2127   
 221:1028    222:879     223:2238   

End of report


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