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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Sep 3 22:41:30 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sun 03 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:                              988517
    Prefixes after maximum aggregation (per Origin AS):          360351
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      454053
Total ASes present in the Internet Routing Table:                 75224
    Prefixes per ASN:                                             13.14
Origin-only ASes present in the Internet Routing Table:           64748
Origin ASes announcing only one prefix:                           25819
Transit ASes present in the Internet Routing Table:               10476
Transit-only ASes present in the Internet Routing Table:            448
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1312
    Number of instances of unregistered ASNs:                      1314
Number of 32-bit ASNs allocated by the RIRs:                      42572
Number of 32-bit ASNs visible in the Routing Table:               35269
Prefixes from 32-bit ASNs in the Routing Table:                  184979
Number of bogon 32-bit ASNs visible in the Routing Table:           219
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            694
Number of addresses announced to Internet:                   3063198858
    Equivalent to 182 /8s, 148 /16s and 180 /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:      339674

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

Prefixes being announced by APNIC Region ASes:                   258072
    Total APNIC prefixes after maximum aggregation:               71656
    APNIC Deaggregation factor:                                    3.60
Prefixes being announced from the APNIC address blocks:          251589
    Unique aggregates announced from the APNIC address blocks:    98968
APNIC Region origin ASes present in the Internet Routing Table:   13736
    APNIC Prefixes per ASN:                                       18.32
APNIC Region origin ASes announcing only one prefix:               4013
APNIC Region transit ASes present in the Internet Routing Table:   1843
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9024
Number of APNIC addresses announced to Internet:              775087424
    Equivalent to 46 /8s, 50 /16s and 229 /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:                    283885
    Total ARIN prefixes after maximum aggregation:               126078
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           285438
    Unique aggregates announced from the ARIN address blocks:    131846
ARIN Region origin ASes present in the Internet Routing Table:    19181
    ARIN Prefixes per ASN:                                        14.88
ARIN Region origin ASes announcing only one prefix:                6956
ARIN Region transit ASes present in the Internet Routing Table:    1894
Average ARIN Region AS path length visible:                         3.6
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4851
Number of ARIN addresses announced to Internet:              1281904448
    Equivalent to 76 /8s, 104 /16s and 79 /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:                    281564
    Total RIPE prefixes after maximum aggregation:               127054
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           277390
    Unique aggregates announced from the RIPE address blocks:    160753
RIPE Region origin ASes present in the Internet Routing Table:    28566
    RIPE Prefixes per ASN:                                         9.71
RIPE Region origin ASes announcing only one prefix:               12011
RIPE Region transit ASes present in the Internet Routing Table:    3868
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11393
Number of RIPE addresses announced to Internet:               717959902
    Equivalent to 42 /8s, 203 /16s and 50 /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:                  129291
    Total LACNIC prefixes after maximum aggregation:              28768
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         128627
    Unique aggregates announced from the LACNIC address blocks:   49265
LACNIC Region origin ASes present in the Internet Routing Table:  11053
    LACNIC Prefixes per ASN:                                      11.64
LACNIC Region origin ASes announcing only one prefix:              2256
LACNIC Region transit ASes present in the Internet Routing Table:  2369
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:  8861
Number of LACNIC addresses announced to Internet:             178820128
    Equivalent to 10 /8s, 168 /16s and 148 /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:                  34393
    Total AfriNIC prefixes after maximum aggregation:              5984
    AfriNIC Deaggregation factor:                                  5.75
Prefixes being announced from the AfriNIC address blocks:         44778
    Unique aggregates announced from the AfriNIC address blocks:  12626
AfriNIC Region origin ASes present in the Internet Routing Table:  1802
    AfriNIC Prefixes per ASN:                                     24.85
AfriNIC Region origin ASes announcing only one prefix:              583
AfriNIC Region transit ASes present in the Internet Routing Table:  331
Average AfriNIC Region AS path length visible:                      4.3
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1140
Number of AfriNIC addresses announced to Internet:            108885248
    Equivalent to 6 /8s, 125 /16s and 117 /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        9685       8904     100  CHINAMOBILE-CN China Mobile Communicati
  7545        5741        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4353        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4049       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3743       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3597       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3129        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2502        847     397  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2313      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        9149      11007    3183  AMAZON-02, US
 11492        4532        301     626  CABLEONE, US
  7155        4183        289     102  VIASAT-SP-BACKBONE, US
   174        3865       6654     617  COGENT-174, US
 22773        3696       3064     325  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3534       1319      66  SHAW, CA
 16625        3173       1535    2352  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        3002       3838    1417  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        8376       1152    3185  TTNET, TR
 12479        7367       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4183       3399     185  AKAMAI-ASN1, NL
  8551        3479        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3010       2298     926  ROSTELECOM-AS, RU
  9009        2709        250    1393  M247, RO
  5384        2505        585      29  EMIRATES-INTERNET Emirates Internet, AE
  8452        2465       1852      16  TE-AS TE-AS, EG
 34984        2380        366     587  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       11839       3366     606  UNINET, MX
 10620        3545        507     834  Telmex Colombia S.A., CO
 13999        2461        366     645  Mega Cable, S.A. de C.V., MX
 11830        1999        369      64  Instituto Costarricense de Electricidad
 28573        1318       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
  6147        1124        370      22  Telefonica del Peru S.A.A., PE
 11664        1124        182     433  Techtel LMDS Comunicaciones Interactiva
 28202        1121         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        1594        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         931        521      43  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         531         82       3  KENET-AS, KE
 15399         526         54      47  WANANCHI-, KE

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

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11839       3366     606  UNINET, MX
  9808        9685       8904     100  CHINAMOBILE-CN China Mobile Communicati
 16509        9149      11007    3183  AMAZON-02, US
 47331        8376       1152    3185  TTNET, TR
 12479        7367       1713     145  UNI2-AS, ES
  7545        5741        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4532        301     626  CABLEONE, US
 18403        4353        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        9685         9585  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7367         7222  UNI2-AS, ES
 16509        9149         5966  AMAZON-02, US
 47331        8376         5191  TTNET, TR
  7545        5741         5052  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004         4929  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4353         4328  FPT-AS-AP FPT Telecom Company, VN
  7155        4183         4081  VIASAT-SP-BACKBONE, US
 20940        4183         3998  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:    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
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW

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     /12:300     
/13:579     /14:1213    /15:2157    /16:13736   /17:8605    /18:14831   
/19:25915   /20:46274   /21:55142   /22:115222  /23:108448  /24:592899  
/25:486     /26:625     /27:1038    /28:79      /29:101     /30:26      
/31:22      /32:647     

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

   ASN  No of nets  Total ann.  Description
 47331        7503        8376  TTNET, TR
 12479        6452        7367  UNI2-AS, ES
  8151        5819       11839  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3441        4532  CABLEONE, US
  6327        3344        3534  SHAW, CA
  7155        3128        4183  VIASAT-SP-BACKBONE, US
  8551        2946        3479  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2727        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      2:1551      3:260       4:8         5:4840      6:138    
   7:6         8:1633      9:1        11:172      12:1522     13:386    
  14:2416     15:302      16:198      17:380      18:638      20:304    
  21:4        22:188      23:6513     24:3058     25:6        27:2657   
  29:19       31:2692     32:98       34:26       35:120      36:2012   
  37:4764     38:6361     39:877      40:148      41:4865     42:2127   
  43:2463     44:330      45:17737    46:4534     47:395      49:1820   
  50:1916     51:596      52:1634     54:396      55:980      56:8      
  57:131      58:1976     59:1209     60:1006     61:2730     62:2857   
  63:1973     64:5815     65:2406     66:5162     67:3113     68:1367   
  69:4199     70:1413     71:702      72:3085     74:2693     75:1617   
  76:625      77:2599     78:3949     79:3039     80:2194     81:2095   
  82:1587     83:1362     84:1567     85:3845     86:873      87:2291   
  88:2862     89:3966     90:622      91:8041     92:2173     93:2679   
  94:3751     95:5096     96:1345     97:328      98:1134     99:736    
 100:123     101:1368    102:3411    103:32963   104:4654    105:2018   
 106:961     107:2631    108:1161    109:4366    110:2207    111:3188   
 112:2151    113:1818    114:1676    115:2163    116:1965    117:2603   
 118:2769    119:2094    120:1879    121:1203    122:2760    123:2263   
 124:1669    125:2588    128:1567    129:1145    130:1091    131:2092   
 132:963     133:418     134:1802    135:355     136:927     137:994    
 138:2856    139:1696    140:1283    141:1338    142:1518    143:1583   
 144:1019    145:349     146:2017    147:1635    148:2499    149:2333   
 150:916     151:1257    152:2010    153:591     154:5240    155:1431   
 156:2015    157:1366    158:1097    159:2253    160:2720    161:1629   
 162:3584    163:1671    164:1781    165:1942    166:1069    167:1762   
 168:4114    169:961     170:4965    171:934     172:3732    173:3022   
 174:1006    175:1266    176:3979    177:5623    178:3607    179:2465   
 180:2636    181:3612    182:3456    183:2050    184:2337    185:21050  
 186:5121    187:4638    188:4367    189:4136    190:9537    191:1865   
 192:11103   193:9072    194:7589    195:5510    196:3709    197:3104   
 198:6096    199:6178    200:8281    201:6304    202:11089   203:10646  
 204:4642    205:3767    206:4425    207:3558    208:4270    209:5036   
 210:4732    211:2761    212:4413    213:3762    214:1099    215:60     
 216:6948    217:3047    218:1364    219:617     220:2047    221:988    
 222:859     223:2279   

End of report


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