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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Sep 6 22:43:47 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Wed 06 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:                              988981
    Prefixes after maximum aggregation (per Origin AS):          360718
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      454371
Total ASes present in the Internet Routing Table:                 75296
    Prefixes per ASN:                                             13.13
Origin-only ASes present in the Internet Routing Table:           64734
Origin ASes announcing only one prefix:                           25834
Transit ASes present in the Internet Routing Table:               10562
Transit-only ASes present in the Internet Routing Table:            469
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.7
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1342
    Number of instances of unregistered ASNs:                      1348
Number of 32-bit ASNs allocated by the RIRs:                      42557
Number of 32-bit ASNs visible in the Routing Table:               35315
Prefixes from 32-bit ASNs in the Routing Table:                  185457
Number of bogon 32-bit ASNs visible in the Routing Table:           209
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            757
Number of addresses announced to Internet:                   3062482826
    Equivalent to 182 /8s, 137 /16s and 199 /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:      339821

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

Prefixes being announced by APNIC Region ASes:                   257987
    Total APNIC prefixes after maximum aggregation:               71764
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          251449
    Unique aggregates announced from the APNIC address blocks:    98996
APNIC Region origin ASes present in the Internet Routing Table:   13753
    APNIC Prefixes per ASN:                                       18.28
APNIC Region origin ASes announcing only one prefix:               4015
APNIC Region transit ASes present in the Internet Routing Table:   1837
Average APNIC Region AS path length visible:                        3.9
    Max APNIC Region AS path length visible:                         25
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9037
Number of APNIC addresses announced to Internet:              775150144
    Equivalent to 46 /8s, 51 /16s and 218 /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:                    283974
    Total ARIN prefixes after maximum aggregation:               126133
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           285794
    Unique aggregates announced from the ARIN address blocks:    131845
ARIN Region origin ASes present in the Internet Routing Table:    19183
    ARIN Prefixes per ASN:                                        14.90
ARIN Region origin ASes announcing only one prefix:                6959
ARIN Region transit ASes present in the Internet Routing Table:    1946
Average ARIN Region AS path length visible:                         3.4
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4857
Number of ARIN addresses announced to Internet:              1281920576
    Equivalent to 76 /8s, 104 /16s and 142 /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:                    282144
    Total RIPE prefixes after maximum aggregation:               127170
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           277765
    Unique aggregates announced from the RIPE address blocks:    160918
RIPE Region origin ASes present in the Internet Routing Table:    28580
    RIPE Prefixes per ASN:                                         9.72
RIPE Region origin ASes announcing only one prefix:               12018
RIPE Region transit ASes present in the Internet Routing Table:    3900
Average RIPE Region AS path length visible:                         3.6
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11406
Number of RIPE addresses announced to Internet:               718078942
    Equivalent to 42 /8s, 205 /16s and 3 /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:                  129177
    Total LACNIC prefixes after maximum aggregation:              28826
    LACNIC Deaggregation factor:                                   4.48
Prefixes being announced from the LACNIC address blocks:         128506
    Unique aggregates announced from the LACNIC address blocks:   49254
LACNIC Region origin ASes present in the Internet Routing Table:  11063
    LACNIC Prefixes per ASN:                                      11.62
LACNIC Region origin ASes announcing only one prefix:              2254
LACNIC Region transit ASes present in the Internet Routing Table:  2356
Average LACNIC Region AS path length visible:                       4.2
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8871
Number of LACNIC addresses announced to Internet:             178829600
    Equivalent to 10 /8s, 168 /16s and 185 /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:                  34357
    Total AfriNIC prefixes after maximum aggregation:              6001
    AfriNIC Deaggregation factor:                                  5.73
Prefixes being announced from the AfriNIC address blocks:         44709
    Unique aggregates announced from the AfriNIC address blocks:  12705
AfriNIC Region origin ASes present in the Internet Routing Table:  1805
    AfriNIC Prefixes per ASN:                                     24.77
AfriNIC Region origin ASes announcing only one prefix:              588
AfriNIC Region transit ASes present in the Internet Routing Table:  329
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1144
Number of AfriNIC addresses announced to Internet:            107934720
    Equivalent to 6 /8s, 110 /16s and 244 /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        9688       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5748        785     691  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5013       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4354        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4047       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3744       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        9152      11007    3188  AMAZON-02, US
 11492        4533        301     625  CABLEONE, US
  7155        4183        289     102  VIASAT-SP-BACKBONE, US
   174        3761       6650     612  COGENT-174, US
 22773        3696       3080     325  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3536       1319      66  SHAW, CA
 16625        3186       1544    2361  AKAMAI-AS, US
   749        3167      54961    2402  DNIC-AS-00749, US
   367        3009       3839    1424  DNIC-ASBLK-00306-00371, US
396982        2689       3596     387  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        8470       1162    3090  TTNET, TR
 12479        7377       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4191       3399     185  AKAMAI-ASN1, NL
  8551        3481        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2998       2296     922  ROSTELECOM-AS, RU
  9009        2712        250    1397  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       11862       3368     602  UNINET, MX
 10620        3546        507     834  Telmex Colombia S.A., CO
 13999        2459        365     642  Mega Cable, S.A. de C.V., MX
 11830        2001        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        1127        182     429  Techtel LMDS Comunicaciones Interactiva
  6147        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1098         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         550       1861      34  IAM-AS, MA
 15399         540         55      51  WANANCHI-, KE
 36914         523         82       3  KENET-AS, 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       11862       3368     602  UNINET, MX
  9808        9688       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9152      11007    3188  AMAZON-02, US
 47331        8470       1162    3090  TTNET, TR
 12479        7377       1713     145  UNI2-AS, ES
  7545        5748        785     691  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5013       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4533        301     625  CABLEONE, US
 18403        4354        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        9688         9589  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7377         7232  UNI2-AS, ES
 16509        9152         5964  AMAZON-02, US
 47331        8470         5380  TTNET, TR
  7545        5748         5057  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5013         4938  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4354         4329  FPT-AS-AP FPT Telecom Company, VN
  7155        4183         4081  VIASAT-SP-BACKBONE, US
 20940        4191         4006  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             3356  LEVEL3, 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:      2386  INS-AS, US
23.141.0.0/24       Transit:      7018  ATT-INTERNET4, 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  MC-SERVER-HOSTING, ZZ
23.178.240.0/24     Transit:     32425  SKB3-ARIN-BGP, US
23.189.192.0/24      Origin:     27593  SPECTRAPLUS, 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    /16:13748   /17:8604    /18:14834   
/19:25938   /20:46292   /21:55191   /22:115379  /23:108500  /24:593057  
/25:486     /26:622     /27:1037    /28:77      /29:101     /30:26      
/31:22      /32:647     

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

   ASN  No of nets  Total ann.  Description
 47331        7593        8470  TTNET, TR
 12479        6463        7377  UNI2-AS, ES
  8151        5847       11862  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3442        4533  CABLEONE, US
  6327        3346        3536  SHAW, CA
  7155        3128        4183  VIASAT-SP-BACKBONE, US
  8551        2948        3481  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2725        3696  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2169        2513  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2287      2:1552      3:260       4:8         5:4804      6:139    
   7:6         8:1633      9:1        11:172      12:1522     13:386    
  14:2419     15:304      16:198      17:380      18:641      20:304    
  21:4        22:188      23:6522     24:3060     25:6        27:2661   
  29:19       31:2693     32:98       34:26       35:120      36:2017   
  37:4755     38:6379     39:878      40:148      41:4856     42:2127   
  43:2478     44:331      45:17773    46:4540     47:395      49:1824   
  50:1924     51:597      52:1634     54:397      55:981      56:8      
  57:133      58:1977     59:1208     60:1009     61:2728     62:2856   
  63:1971     64:5830     65:2406     66:5172     67:3113     68:1365   
  69:4201     70:1413     71:702      72:3086     74:2695     75:1617   
  76:625      77:2599     78:4010     79:3041     80:2195     81:2098   
  82:1590     83:1357     84:1567     85:3881     86:877      87:2286   
  88:2866     89:3974     90:623      91:8044     92:2178     93:2683   
  94:3761     95:5096     96:1345     97:329      98:1136     99:736    
 100:123     101:1367    102:3417    103:32957   104:4683    105:2014   
 106:962     107:2689    108:1162    109:4369    110:2209    111:3188   
 112:2151    113:1821    114:1680    115:2163    116:1965    117:2605   
 118:2769    119:2091    120:1879    121:1208    122:2765    123:2263   
 124:1669    125:2611    128:1571    129:1146    130:1096    131:2093   
 132:969     133:408     134:1804    135:355     136:927     137:996    
 138:2853    139:1697    140:1296    141:1342    142:1520    143:1589   
 144:1014    145:349     146:2019    147:1637    148:2501    149:2340   
 150:914     151:1256    152:2007    153:594     154:5271    155:1423   
 156:2017    157:1367    158:1098    159:2254    160:2722    161:1628   
 162:3588    163:1670    164:1778    165:1941    166:1073    167:1759   
 168:4089    169:960     170:4961    171:938     172:3749    173:3022   
 174:1006    175:1266    176:3984    177:5580    178:3605    179:2476   
 180:2629    181:3623    182:3456    183:2050    184:2334    185:21076  
 186:5100    187:4615    188:4375    189:4133    190:9543    191:1841   
 192:11110   193:9087    194:7592    195:5519    196:3693    197:3040   
 198:6100    199:6175    200:8279    201:6317    202:11087   203:10647  
 204:4644    205:3769    206:4453    207:3566    208:4278    209:5037   
 210:4732    211:2640    212:4416    213:3768    214:1103    215:60     
 216:6946    217:3049    218:1329    219:618     220:2047    221:988    
 222:863     223:2198   

End of report


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