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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Aug 28 22:41:26 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Mon 28 Aug, 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:                              985913
    Prefixes after maximum aggregation (per Origin AS):          359831
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      453489
Total ASes present in the Internet Routing Table:                 75154
    Prefixes per ASN:                                             13.12
Origin-only ASes present in the Internet Routing Table:           64489
Origin ASes announcing only one prefix:                           25846
Transit ASes present in the Internet Routing Table:               10665
Transit-only ASes present in the Internet Routing Table:            450
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1264
    Number of instances of unregistered ASNs:                      1266
Number of 32-bit ASNs allocated by the RIRs:                      42516
Number of 32-bit ASNs visible in the Routing Table:               35219
Prefixes from 32-bit ASNs in the Routing Table:                  184364
Number of bogon 32-bit ASNs visible in the Routing Table:           201
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            691
Number of addresses announced to Internet:                   3062477482
    Equivalent to 182 /8s, 137 /16s and 178 /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:      338891

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

Prefixes being announced by APNIC Region ASes:                   257336
    Total APNIC prefixes after maximum aggregation:               71590
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          250898
    Unique aggregates announced from the APNIC address blocks:    98851
APNIC Region origin ASes present in the Internet Routing Table:   13716
    APNIC Prefixes per ASN:                                       18.29
APNIC Region origin ASes announcing only one prefix:               4003
APNIC Region transit ASes present in the Internet Routing Table:   1846
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         26
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9003
Number of APNIC addresses announced to Internet:              775023712
    Equivalent to 46 /8s, 49 /16s and 236 /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:                    282863
    Total ARIN prefixes after maximum aggregation:               125908
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           284582
    Unique aggregates announced from the ARIN address blocks:    131607
ARIN Region origin ASes present in the Internet Routing Table:    19164
    ARIN Prefixes per ASN:                                        14.85
ARIN Region origin ASes announcing only one prefix:                6953
ARIN Region transit ASes present in the Internet Routing Table:    1951
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4843
Number of ARIN addresses announced to Internet:              1281718848
    Equivalent to 76 /8s, 101 /16s and 122 /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:                    281296
    Total RIPE prefixes after maximum aggregation:               126742
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           276925
    Unique aggregates announced from the RIPE address blocks:    160573
RIPE Region origin ASes present in the Internet Routing Table:    28559
    RIPE Prefixes per ASN:                                         9.70
RIPE Region origin ASes announcing only one prefix:               12018
RIPE Region transit ASes present in the Internet Routing Table:    3966
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          36
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11382
Number of RIPE addresses announced to Internet:               717578974
    Equivalent to 42 /8s, 197 /16s and 98 /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:                  128873
    Total LACNIC prefixes after maximum aggregation:              28835
    LACNIC Deaggregation factor:                                   4.47
Prefixes being announced from the LACNIC address blocks:         128209
    Unique aggregates announced from the LACNIC address blocks:   49265
LACNIC Region origin ASes present in the Internet Routing Table:  11043
    LACNIC Prefixes per ASN:                                      11.61
LACNIC Region origin ASes announcing only one prefix:              2287
LACNIC Region transit ASes present in the Internet Routing Table:  2367
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8852
Number of LACNIC addresses announced to Internet:             178777632
    Equivalent to 10 /8s, 167 /16s and 238 /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:                  34281
    Total AfriNIC prefixes after maximum aggregation:              5962
    AfriNIC Deaggregation factor:                                  5.75
Prefixes being announced from the AfriNIC address blocks:         44607
    Unique aggregates announced from the AfriNIC address blocks:  12598
AfriNIC Region origin ASes present in the Internet Routing Table:  1798
    AfriNIC Prefixes per ASN:                                     24.81
AfriNIC Region origin ASes announcing only one prefix:              585
AfriNIC Region transit ASes present in the Internet Routing Table:  345
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1139
Number of AfriNIC addresses announced to Internet:            108836352
    Equivalent to 6 /8s, 124 /16s and 182 /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        9677       8904     100  CHINAMOBILE-CN China Mobile Communicati
  7545        5730        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5021       4193      76  ERX-CERNET-BKB China Education and Rese
 18403        4351        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4049       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3742       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3598       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3119        498     254  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2499        847     403  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        9043      10989    3202  AMAZON-02, US
 11492        4530        300     625  CABLEONE, US
  7155        4183        289     102  VIASAT-SP-BACKBONE, US
   174        3770       6656     621  COGENT-174, US
 22773        3697       3080     324  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3524       1319      66  SHAW, CA
 16625        3174       1535    2352  AKAMAI-AS, US
   749        3150      54961    2402  DNIC-AS-00749, US
   367        3002       3832    1420  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        8363       1150    3198  TTNET, TR
 12479        7358       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4179       3399     187  AKAMAI-ASN1, NL
  8551        3474        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2996       2296     921  ROSTELECOM-AS, RU
  9009        2709        250    1403  M247, RO
  5384        2489        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2465       1852      16  TE-AS TE-AS, EG
 34984        2377        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       11811       3362     608  UNINET, MX
 10620        3543        507     834  Telmex Colombia S.A., CO
 13999        2453        366     645  Mega Cable, S.A. de C.V., MX
 11830        1999        369      64  Instituto Costarricense de Electricidad
 28573        1317       2324     227  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        1123        370      22  Telefonica del Peru S.A.A., PE
 28202        1121         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1116        181     435  Techtel LMDS Comunicaciones Interactiva

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        1517        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         922        521      43  Vodafone-, EG
  6713         550       1861      34  IAM-AS, MA
 36914         530         82       3  KENET-AS, KE
 37342         512         32       1  MOVITEL, MZ

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       11811       3362     608  UNINET, MX
  9808        9677       8904     100  CHINAMOBILE-CN China Mobile Communicati
 16509        9043      10989    3202  AMAZON-02, US
 47331        8363       1150    3198  TTNET, TR
 12479        7358       1713     145  UNI2-AS, ES
  7545        5730        784     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5021       4193      76  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4530        300     625  CABLEONE, US
 18403        4351        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        9677         9577  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7358         7213  UNI2-AS, ES
 16509        9043         5841  AMAZON-02, US
 47331        8363         5165  TTNET, TR
  7545        5730         5041  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5021         4945  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4351         4326  FPT-AS-AP FPT Telecom Company, VN
  7155        4183         4081  VIASAT-SP-BACKBONE, US
 45899        4049         3996  VNPT-AS-VN VNPT Corp, VN

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
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     /14:1212    /15:2156    /16:13734   /17:8594    /18:14820   
/19:25903   /20:46235   /21:55032   /22:114979  /23:108135  /24:591038  
/25:491     /26:619     /27:1037    /28:75      /29:101     /30:26      
/31:22      /32:653     

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

   ASN  No of nets  Total ann.  Description
 47331        7491        8363  TTNET, TR
 12479        6443        7358  UNI2-AS, ES
  8151        5800       11811  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3439        4530  CABLEONE, US
  6327        3336        3524  SHAW, CA
  7155        3128        4183  VIASAT-SP-BACKBONE, US
  8551        2941        3474  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2731        3697  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2167        2511  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      2:1534      3:236       4:8         5:4832      6:138    
   7:6         8:1632      9:1        11:172      12:1519     13:380    
  14:2413     15:302      16:198      17:380      18:628      20:303    
  21:4        22:188      23:6497     24:3052     25:6        27:2653   
  29:19       31:2691     32:97       34:26       35:120      36:2010   
  37:4759     38:6326     39:875      40:148      41:4883     42:2126   
  43:2453     44:330      45:17667    46:4527     47:395      49:1820   
  50:1913     51:593      52:1634     54:397      55:980      56:8      
  57:131      58:1974     59:1203     60:1005     61:2701     62:2858   
  63:1971     64:5800     65:2403     66:5155     67:3100     68:1364   
  69:4190     70:1414     71:700      72:3083     74:2691     75:1617   
  76:624      77:2603     78:3943     79:3033     80:2189     81:2082   
  82:1586     83:1359     84:1568     85:3834     86:872      87:2289   
  88:2859     89:3966     90:621      91:8025     92:2169     93:2654   
  94:3743     95:5093     96:1343     97:324      98:1134     99:736    
 100:123     101:1362    102:3378    103:32876   104:4636    105:2009   
 106:961     107:2616    108:1151    109:4361    110:2186    111:3187   
 112:2151    113:1815    114:1672    115:2160    116:1966    117:2597   
 118:2766    119:2092    120:1872    121:1202    122:2755    123:2261   
 124:1652    125:2580    128:1561    129:1143    130:1090    131:2091   
 132:961     133:418     134:1800    135:354     136:925     137:994    
 138:2861    139:1691    140:1271    141:1338    142:1515    143:1587   
 144:1018    145:348     146:2012    147:1635    148:2496    149:2235   
 150:916     151:1254    152:2008    153:590     154:5185    155:1411   
 156:2001    157:1361    158:1096    159:2252    160:2717    161:1628   
 162:3586    163:1664    164:1773    165:1924    166:1051    167:1755   
 168:4106    169:961     170:4915    171:925     172:3713    173:3022   
 174:1005    175:1263    176:3960    177:5627    178:3600    179:2458   
 180:2625    181:3592    182:3456    183:2050    184:2334    185:20995  
 186:5122    187:4603    188:4363    189:4112    190:9504    191:1867   
 192:11058   193:9057    194:7584    195:5489    196:3707    197:3102   
 198:6097    199:6138    200:8238    201:6279    202:11079   203:10624  
 204:4634    205:3763    206:4414    207:3550    208:4255    209:5015   
 210:4724    211:2645    212:4405    213:3758    214:1098    215:60     
 216:6929    217:3043    218:1329    219:618     220:2046    221:987    
 222:859     223:2198   

End of report


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