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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Sep 7 22:41:32 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Thu 07 Sep, 2023

  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:                              989904
    Prefixes after maximum aggregation (per Origin AS):          360725
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      454433
Total ASes present in the Internet Routing Table:                 75302
    Prefixes per ASN:                                             13.15
Origin-only ASes present in the Internet Routing Table:           64490
Origin ASes announcing only one prefix:                           25826
Transit ASes present in the Internet Routing Table:               10812
Transit-only ASes present in the Internet Routing Table:            461
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1364
    Number of instances of unregistered ASNs:                      1369
Number of 32-bit ASNs allocated by the RIRs:                      42566
Number of 32-bit ASNs visible in the Routing Table:               35320
Prefixes from 32-bit ASNs in the Routing Table:                  185581
Number of bogon 32-bit ASNs visible in the Routing Table:           233
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            758
Number of addresses announced to Internet:                   3062394250
    Equivalent to 182 /8s, 136 /16s and 109 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      340183

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

Prefixes being announced by APNIC Region ASes:                   258085
    Total APNIC prefixes after maximum aggregation:               71804
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          251546
    Unique aggregates announced from the APNIC address blocks:    98986
APNIC Region origin ASes present in the Internet Routing Table:   13753
    APNIC Prefixes per ASN:                                       18.29
APNIC Region origin ASes announcing only one prefix:               4020
APNIC Region transit ASes present in the Internet Routing Table:   1858
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9038
Number of APNIC addresses announced to Internet:              774980416
    Equivalent to 46 /8s, 49 /16s and 67 /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:                    284346
    Total ARIN prefixes after maximum aggregation:               126210
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           286194
    Unique aggregates announced from the ARIN address blocks:    131867
ARIN Region origin ASes present in the Internet Routing Table:    19185
    ARIN Prefixes per ASN:                                        14.92
ARIN Region origin ASes announcing only one prefix:                6950
ARIN Region transit ASes present in the Internet Routing Table:    1992
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4858
Number of ARIN addresses announced to Internet:              1281940032
    Equivalent to 76 /8s, 104 /16s and 218 /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:                    282242
    Total RIPE prefixes after maximum aggregation:               127199
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           277865
    Unique aggregates announced from the RIPE address blocks:    160917
RIPE Region origin ASes present in the Internet Routing Table:    28585
    RIPE Prefixes per ASN:                                         9.72
RIPE Region origin ASes announcing only one prefix:               12017
RIPE Region transit ASes present in the Internet Routing Table:    4008
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11412
Number of RIPE addresses announced to Internet:               718118110
    Equivalent to 42 /8s, 205 /16s and 156 /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:                  129543
    Total LACNIC prefixes after maximum aggregation:              28645
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128877
    Unique aggregates announced from the LACNIC address blocks:   49249
LACNIC Region origin ASes present in the Internet Routing Table:  11066
    LACNIC Prefixes per ASN:                                      11.65
LACNIC Region origin ASes announcing only one prefix:              2252
LACNIC Region transit ASes present in the Internet Routing Table:  2393
Average LACNIC Region AS path length visible:                       5.3
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8869
Number of LACNIC addresses announced to Internet:             178845728
    Equivalent to 10 /8s, 168 /16s and 248 /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:                  34324
    Total AfriNIC prefixes after maximum aggregation:              6029
    AfriNIC Deaggregation factor:                                  5.69
Prefixes being announced from the AfriNIC address blocks:         44663
    Unique aggregates announced from the AfriNIC address blocks:  12760
AfriNIC Region origin ASes present in the Internet Routing Table:  1804
    AfriNIC Prefixes per ASN:                                     24.76
AfriNIC Region origin ASes announcing only one prefix:              587
AfriNIC Region transit ASes present in the Internet Routing Table:  340
Average AfriNIC Region AS path length visible:                      5.2
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1143
Number of AfriNIC addresses announced to Internet:            107941632
    Equivalent to 6 /8s, 111 /16s and 15 /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        9690       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5746        785     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5026       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4360        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4047       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3742       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3599       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3153        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2508        848     389  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2316      11270     588  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        9168      11009    3201  AMAZON-02, US
 11492        4533        301     625  CABLEONE, US
  7155        4195        289     102  VIASAT-SP-BACKBONE, US
   174        3786       6656     617  COGENT-174, US
 22773        3692       3063     322  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3536       1319      66  SHAW, CA
 16625        3193       1544    2361  AKAMAI-AS, US
   749        3165      54961    2400  DNIC-AS-00749, US
   367        3026       3840    1434  DNIC-ASBLK-00306-00371, US
396982        2690       3596     388  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        8475       1161    3087  TTNET, TR
 12479        7382       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4195       3399     186  AKAMAI-ASN1, NL
  8551        3481        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3010       2298     926  ROSTELECOM-AS, RU
  9009        2762        256    1408  M247, RO
  8452        2472       1852      16  TE-AS TE-AS, EG
  5384        2463        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2379        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       11878       3370     603  UNINET, MX
 10620        3546        507     834  Telmex Colombia S.A., CO
 13999        2461        365     641  Mega Cable, S.A. de C.V., MX
 11830        2003        369      64  Instituto Costarricense de Electricidad
 28573        1325       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1302        344     510  Axtel, S.A.B. de C.V., MX
 11664        1131        183     427  Techtel LMDS Comunicaciones Interactiva
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1112         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        1894        319      45  Telkom-Internet, ZA
 24863        1595        393      19  LINKdotNET-AS, EG
 24835        1523        533      27  RAYA-AS, EG
 36992        1360       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1051         67      45  ORANGE-COTE-IVOIRE, CI
 36935         937        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         532         82       3  KENET-AS, KE
 15399         530         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       11878       3370     603  UNINET, MX
  9808        9690       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9168      11009    3201  AMAZON-02, US
 47331        8475       1161    3087  TTNET, TR
 12479        7382       1713     145  UNI2-AS, ES
  7545        5746        785     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5026       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4533        301     625  CABLEONE, US
 18403        4360        347      25  FPT-AS-AP FPT Telecom Company, VN

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808        9690         9591  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7382         7237  UNI2-AS, ES
 16509        9168         5967  AMAZON-02, US
 47331        8475         5388  TTNET, TR
  7545        5746         5057  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5026         4951  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4360         4335  FPT-AS-AP FPT Telecom Company, VN
  7155        4195         4093  VIASAT-SP-BACKBONE, US
 20940        4195         4009  AKAMAI-ASN1, NL

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             11168  SCC, 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
23.178.240.0/24      Origin:    399517  RESERVED, ZZ
23.178.240.0/24     Transit:     32425  SKB3-ARIN-BGP, 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      /10:39      /11:102     /12:299     
/13:578     /14:1213    /15:2158    /16:13749   /17:8602    /18:14837   
/19:25940   /20:46295   /21:55206   /22:115542  /23:108642  /24:593653  
/25:486     /26:622     /27:1038    /28:77      /29:101     /30:26      
/31:22      /32:646     

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

   ASN  No of nets  Total ann.  Description
 47331        7599        8475  TTNET, TR
 12479        6468        7382  UNI2-AS, ES
  8151        5860       11878  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3442        4533  CABLEONE, US
  6327        3346        3536  SHAW, CA
  7155        3140        4195  VIASAT-SP-BACKBONE, US
  8551        2948        3481  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2724        3692  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2170        2514  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2292      2:1555      3:259       4:8         5:4805      6:139    
   7:6         8:1634      9:1        11:172      12:1522     13:386    
  14:2421     15:304      16:198      17:380      18:642      20:305    
  21:4        22:188      23:6525     24:3060     25:6        27:2663   
  29:19       31:2693     32:98       34:26       35:120      36:2017   
  37:4758     38:6384     39:878      40:148      41:4860     42:2127   
  43:2478     44:331      45:17777    46:4541     47:395      49:1827   
  50:1927     51:597      52:1634     54:398      55:981      56:8      
  57:133      58:1978     59:1208     60:1010     61:2729     62:2858   
  63:1971     64:5884     65:2417     66:5163     67:3119     68:1367   
  69:4202     70:1413     71:702      72:3086     74:2695     75:1618   
  76:624      77:2598     78:4012     79:3044     80:2195     81:2100   
  82:1592     83:1363     84:1580     85:3882     86:877      87:2285   
  88:2870     89:3970     90:623      91:8055     92:2178     93:2681   
  94:3761     95:5107     96:1345     97:326      98:1139     99:736    
 100:123     101:1368    102:3417    103:32967   104:4682    105:2014   
 106:967     107:2691    108:1161    109:4372    110:2201    111:3189   
 112:2151    113:1821    114:1681    115:2163    116:1965    117:2607   
 118:2771    119:2092    120:1879    121:1215    122:2771    123:2265   
 124:1669    125:2611    128:1583    129:1146    130:1096    131:2096   
 132:969     133:408     134:1803    135:355     136:927     137:996    
 138:2870    139:1697    140:1298    141:1333    142:1521    143:1594   
 144:1017    145:349     146:2020    147:1640    148:2502    149:2349   
 150:914     151:1256    152:2006    153:595     154:5265    155:1429   
 156:2013    157:1366    158:1100    159:2270    160:2723    161:1629   
 162:3605    163:1670    164:1779    165:1946    166:1072    167:1761   
 168:4097    169:960     170:4988    171:939     172:3748    173:3023   
 174:1007    175:1267    176:3984    177:5592    178:3605    179:2480   
 180:2639    181:3683    182:3456    183:2050    184:2333    185:21079  
 186:5126    187:4626    188:4379    189:4137    190:9547    191:1875   
 192:11111   193:9092    194:7594    195:5521    196:3672    197:3040   
 198:6100    199:6175    200:8334    201:6321    202:11086   203:10646  
 204:4647    205:3795    206:4457    207:3570    208:4281    209:5037   
 210:4740    211:2640    212:4418    213:3769    214:1104    215:60     
 216:6949    217:3049    218:1330    219:618     220:2047    221:992    
 222:865     223:2199   

End of report


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