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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Feb 23 22:43:46 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Fri 23 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:                              988595
    Prefixes after maximum aggregation (per Origin AS):          362873
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      457694
Total ASes present in the Internet Routing Table:                 75698
    Prefixes per ASN:                                             13.06
Origin-only ASes present in the Internet Routing Table:           65051
Origin ASes announcing only one prefix:                           26132
Transit ASes present in the Internet Routing Table:               10647
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:       4.5
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1254
    Number of instances of unregistered ASNs:                      1256
Number of 32-bit ASNs allocated by the RIRs:                      43684
Number of 32-bit ASNs visible in the Routing Table:               36051
Prefixes from 32-bit ASNs in the Routing Table:                  189329
Number of bogon 32-bit ASNs visible in the Routing Table:           190
Special use prefixes present in the Routing Table:                   32
Prefixes being announced from unallocated address space:            610
Number of addresses announced to Internet:                   3043471539
    Equivalent to 181 /8s, 103 /16s and 176 /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:      338089

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

Prefixes being announced by APNIC Region ASes:                   258535
    Total APNIC prefixes after maximum aggregation:               73787
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          251108
    Unique aggregates announced from the APNIC address blocks:   100201
APNIC Region origin ASes present in the Internet Routing Table:   14069
    APNIC Prefixes per ASN:                                       17.85
APNIC Region origin ASes announcing only one prefix:               4208
APNIC Region transit ASes present in the Internet Routing Table:   1883
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         34
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9419
Number of APNIC addresses announced to Internet:              775126176
    Equivalent to 46 /8s, 51 /16s and 124 /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:                    283397
    Total ARIN prefixes after maximum aggregation:               124680
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           287683
    Unique aggregates announced from the ARIN address blocks:    132230
ARIN Region origin ASes present in the Internet Routing Table:    19143
    ARIN Prefixes per ASN:                                        15.03
ARIN Region origin ASes announcing only one prefix:                6952
ARIN Region transit ASes present in the Internet Routing Table:    1941
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4863
Number of ARIN addresses announced to Internet:              1270128192
    Equivalent to 75 /8s, 180 /16s and 158 /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:                    281411
    Total RIPE prefixes after maximum aggregation:               128541
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           275526
    Unique aggregates announced from the RIPE address blocks:    162039
RIPE Region origin ASes present in the Internet Routing Table:    28641
    RIPE Prefixes per ASN:                                         9.62
RIPE Region origin ASes announcing only one prefix:               12091
RIPE Region transit ASes present in the Internet Routing Table:    3894
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:   11656
Number of RIPE addresses announced to Internet:               713795955
    Equivalent to 42 /8s, 139 /16s and 169 /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:                  129887
    Total LACNIC prefixes after maximum aggregation:              28940
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         128723
    Unique aggregates announced from the LACNIC address blocks:   49479
LACNIC Region origin ASes present in the Internet Routing Table:  11075
    LACNIC Prefixes per ASN:                                      11.62
LACNIC Region origin ASes announcing only one prefix:              2263
LACNIC Region transit ASes present in the Internet Routing Table:  2428
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:  8922
Number of LACNIC addresses announced to Internet:             177738336
    Equivalent to 10 /8s, 152 /16s and 18 /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:                  34111
    Total AfriNIC prefixes after maximum aggregation:              6138
    AfriNIC Deaggregation factor:                                  5.56
Prefixes being announced from the AfriNIC address blocks:         44944
    Unique aggregates announced from the AfriNIC address blocks:  13224
AfriNIC Region origin ASes present in the Internet Routing Table:  1844
    AfriNIC Prefixes per ASN:                                     24.37
AfriNIC Region origin ASes announcing only one prefix:              618
AfriNIC Region transit ASes present in the Internet Routing Table:  339
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       48
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1191
Number of AfriNIC addresses announced to Internet:            106353664
    Equivalent to 6 /8s, 86 /16s and 212 /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        9831       8740      57  CHINAMOBILE-CN China Mobile Communicati
  7545        5654        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4997       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4535        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3882       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3608       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3510        497     252  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3375       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2740        860     372  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2491      11258     576  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        9660      11241    3321  AMAZON-02, US
 22773        5015       3079     305  ASN-CXA-ALL-CCI-22773-RDC, US
   174        4826       6637     672  COGENT-174, US
 11492        4581        304     644  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3596       1320      75  SHAW, CA
 16625        3242       1411    2307  AKAMAI-AS, US
   749        3183      54927    2435  DNIC-AS-00749, US
   367        2915       3693    1419  DNIC-ASBLK-00306-00371, US
396982        2758       3639     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        8991       1210    2377  TTNET, TR
 12479        7612       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3929       3396     150  AKAMAI-ASN1, NL
  9009        3262        284    1589  M247, RO
 12389        2978       2303     907  ROSTELECOM-AS, RU
  8551        2655        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2506        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2447       1852      14  TE-AS TE-AS, EG
 34984        2397        366     585  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       3373     610  UNINET, MX
 10620        3523        496     891  Telmex Colombia S.A., CO
 13999        2522        342     644  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1330       2319     238  Claro NXT Telecomunicacoes Ltda, BR
  3816        1308        787     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1212        340     498  Axtel, S.A.B. de C.V., MX
 11664        1142        179     419  Techtel LMDS Comunicaciones Interactiva
 28202        1105         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1088        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        1629        315      40  Telkom-Internet, ZA
 24835        1548        545      28  RAYA-AS, EG
 24863        1544        389      16  LINKdotNET-AS, EG
 36992        1362       1519     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1145         73      63  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
 36914         557         82       3  KENET-AS, KE
  6713         555       1861      34  IAM-AS, MA
 15399         529         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       12502       3373     610  UNINET, MX
  9808        9831       8740      57  CHINAMOBILE-CN China Mobile Communicati
 16509        9660      11241    3321  AMAZON-02, US
 47331        8991       1210    2377  TTNET, TR
 12479        7612       1714     147  UNI2-AS, ES
  7545        5654        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
 22773        5015       3079     305  ASN-CXA-ALL-CCI-22773-RDC, US
  4538        4997       4192      75  ERX-CERNET-BKB China Education and Rese
   174        4826       6637     672  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        9831         9774  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7612         7465  UNI2-AS, ES
 47331        8991         6614  TTNET, TR
 16509        9660         6339  AMAZON-02, US
  7545        5654         4981  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4997         4922  ERX-CERNET-BKB China Education and Research Net
 22773        5015         4710  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4535         4510  FPT-AS-AP FPT Telecom Company, VN
   174        4826         4154  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
    215433  UNALLOCATED  5.144.176.0/24           30823  AUROLOGIC aurologic GmbH, DE
     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

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
23.160.121.0/24      Origin:     39937  LTECH, US
23.160.121.0/24     Transit:      1299  TWELVE99 Arelion, fka Telia Carrier, SE
23.172.120.0/24      Origin:     47272  HYEHOST HYEHOST Hosting Solutions, GB
23.172.120.0/24     Transit:      1299  TWELVE99 Arelion, fka Telia Carrier, SE
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      /12:302     
/13:578     /14:1207    /15:2135    /16:13526   /17:8460    /18:14208   
/19:25511   /20:45552   /21:53822   /22:114214  /23:106790  /24:597240  
/25:1102    /26:1057    /27:1510    /28:159     /29:246     /30:83      
/31:101     /32:626     

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

   ASN  No of nets  Total ann.  Description
 47331        8110        8991  TTNET, TR
 12479        6727        7612  UNI2-AS, ES
  8151        6449       12502  UNINET, MX
 22773        4046        5015  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3494        4581  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3393        3596  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2149        2492  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)
----------------------------------------------

   1:2321      2:1611      3:300       4:22        5:4625      6:164    
   7:6         8:1630      9:2        11:172      12:1472     13:388    
  14:2445     15:313      16:207      17:372      18:740      20:374    
  21:4        22:188      23:6651     24:3163     25:2        27:2647   
  29:19       31:2730     32:64       34:41       35:126      36:2207   
  37:4636     38:8061     39:899      40:141      41:4646     42:2181   
  43:2380     44:333      45:17694    46:4481     47:293      49:1935   
  50:1931     51:579      52:1615     54:312      55:883      56:5      
  57:160      58:2111     59:1199     60:1020     61:2763     62:2843   
  63:1942     64:5724     65:2373     66:4850     67:3127     68:1591   
  69:4103     70:1517     71:584      72:3030     74:2633     75:1591   
  76:634      77:2540     78:4145     79:2506     80:2172     81:2157   
  82:1569     83:1324     84:1668     85:4032     86:943      87:2258   
  88:2995     89:4147     90:679      91:8082     92:2275     93:2657   
  94:3824     95:5313     96:1321     97:313      98:1091     99:745    
 100:121     101:1185    102:3549    103:32921   104:4793    105:2028   
 106:1003    107:2785    108:1130    109:4089    110:2175    111:3191   
 112:2091    113:1778    114:1784    115:2091    116:1989    117:2666   
 118:2779    119:2022    120:1816    121:1356    122:2819    123:2268   
 124:1639    125:2882    126:28      128:1580    129:1021    130:1138   
 131:1926    132:939     133:412     134:1716    135:354     136:935    
 137:1060    138:3001    139:1559    140:1378    141:1356    142:1604   
 143:1569    144:1014    145:345     146:2048    147:1723    148:2539   
 149:2603    150:1039    151:1341    152:1999    153:595     154:5997   
 155:1392    156:2132    157:1592    158:1103    159:2237    160:2701   
 161:1660    162:3639    163:1724    164:1705    165:2172    166:1079   
 167:1733    168:4003    169:823     170:4986    171:1032    172:3846   
 173:3067    174:931     175:1254    176:3818    177:5322    178:3701   
 179:2493    180:2464    181:3745    182:3423    183:2030    184:2277   
 185:20993   186:5227    187:4826    188:4249    189:4379    190:9526   
 191:1874    192:11024   193:9067    194:7598    195:5439    196:3685   
 197:2954    198:6073    199:7273    200:8470    201:6412    202:10797  
 203:10564   204:4612    205:3785    206:4565    207:3600    208:4183   
 209:5052    210:4777    211:2602    212:4404    213:3567    214:1118   
 215:44      216:6828    217:3065    218:1389    219:608     220:2056   
 221:1026    222:879     223:2235   

End of report


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