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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Mar 19 22:41:19 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Tue 19 Mar, 2024

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

Analysis Summary
----------------

BGP routing table entries examined:                              992889
    Prefixes after maximum aggregation (per Origin AS):          364160
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      458737
Total ASes present in the Internet Routing Table:                 75737
    Prefixes per ASN:                                             13.11
Origin-only ASes present in the Internet Routing Table:           64969
Origin ASes announcing only one prefix:                           26073
Transit ASes present in the Internet Routing Table:               10768
Transit-only ASes present in the Internet Routing Table:            493
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       5.4
    Max AS path length visible:                                      62
    Max AS path prepend of ASN (2458272)                              56
Prefixes from unregistered ASNs in the Routing Table:              1192
    Number of instances of unregistered ASNs:                      1304
Number of 32-bit ASNs allocated by the RIRs:                      43854
Number of 32-bit ASNs visible in the Routing Table:               36158
Prefixes from 32-bit ASNs in the Routing Table:                  190565
Number of bogon 32-bit ASNs visible in the Routing Table:           400
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            648
Number of addresses announced to Internet:                   3030027957
    Equivalent to 180 /8s, 154 /16s and 142 /24s
    Percentage of available address space announced:               81.8
    Percentage of allocated address space announced:               81.8
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:      339257

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

Prefixes being announced by APNIC Region ASes:                   259764
    Total APNIC prefixes after maximum aggregation:               73784
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          252291
    Unique aggregates announced from the APNIC address blocks:   100185
APNIC Region origin ASes present in the Internet Routing Table:   14129
    APNIC Prefixes per ASN:                                       17.86
APNIC Region origin ASes announcing only one prefix:               4220
APNIC Region transit ASes present in the Internet Routing Table:   1897
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9474
Number of APNIC addresses announced to Internet:              761218720
    Equivalent to 45 /8s, 95 /16s and 70 /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:                    284794
    Total ARIN prefixes after maximum aggregation:               125544
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           289149
    Unique aggregates announced from the ARIN address blocks:    132703
ARIN Region origin ASes present in the Internet Routing Table:    19141
    ARIN Prefixes per ASN:                                        15.11
ARIN Region origin ASes announcing only one prefix:                6937
ARIN Region transit ASes present in the Internet Routing Table:    1954
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4868
Number of ARIN addresses announced to Internet:              1270205762
    Equivalent to 75 /8s, 181 /16s and 205 /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:                    282571
    Total RIPE prefixes after maximum aggregation:               128885
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276453
    Unique aggregates announced from the RIPE address blocks:    162696
RIPE Region origin ASes present in the Internet Routing Table:    28662
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12084
RIPE Region transit ASes present in the Internet Routing Table:    3965
Average RIPE Region AS path length visible:                         5.5
    Max RIPE Region AS path length visible:                          41
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11707
Number of RIPE addresses announced to Internet:               714858099
    Equivalent to 42 /8s, 155 /16s and 222 /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:                  130355
    Total LACNIC prefixes after maximum aggregation:              28979
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128977
    Unique aggregates announced from the LACNIC address blocks:   49600
LACNIC Region origin ASes present in the Internet Routing Table:  11079
    LACNIC Prefixes per ASN:                                      11.64
LACNIC Region origin ASes announcing only one prefix:              2230
LACNIC Region transit ASes present in the Internet Routing Table:  2418
Average LACNIC Region AS path length visible:                       5.6
    Max LACNIC Region AS path length visible:                        57
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8930
Number of LACNIC addresses announced to Internet:             177301600
    Equivalent to 10 /8s, 145 /16s and 104 /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:                  34213
    Total AfriNIC prefixes after maximum aggregation:              6227
    AfriNIC Deaggregation factor:                                  5.49
Prefixes being announced from the AfriNIC address blocks:         45370
    Unique aggregates announced from the AfriNIC address blocks:  13048
AfriNIC Region origin ASes present in the Internet Routing Table:  1808
    AfriNIC Prefixes per ASN:                                     25.09
AfriNIC Region origin ASes announcing only one prefix:              602
AfriNIC Region transit ASes present in the Internet Routing Table:  354
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1179
Number of AfriNIC addresses announced to Internet:            106120960
    Equivalent to 6 /8s, 83 /16s and 71 /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        9841       8741      60  CHINAMOBILE-CN China Mobile Communicati
  7545        5655        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4595        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3860       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3610       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3519        495     252  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3295       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2763        864     364  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2504      11259     577  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        9740      11352    3401  AMAZON-02, US
   174        5158       6645     678  COGENT-174, US
 22773        5010       3063     299  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        4589        304     632  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3603       1320      75  SHAW, CA
 16625        3209       1380    2282  AKAMAI-AS, US
   749        3191      54916    2443  DNIC-AS-00749, US
   367        2935       3634    1399  DNIC-ASBLK-00306-00371, US
396982        2758       3640     406  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        9048       1221    2297  TTNET, TR
 12479        7699       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3940       3396     150  AKAMAI-ASN1, NL
  9009        3273        284    1592  M247, RO
 12389        2974       2303     902  ROSTELECOM-AS, RU
  8551        2652        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2517        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2463       1852      14  TE-AS TE-AS, EG
 34984        2394        366     583  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       12359       3321     498  UNINET, MX
 10620        3526        497     892  Telmex Colombia S.A., CO
 13999        2508        340     655  Mega Cable, S.A. de C.V., MX
 11830        1998        369      64  Instituto Costarricense de Electricidad
 28573        1343       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1313        788     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1204        348     492  Axtel, S.A.B. de C.V., MX
 11664        1148        179     424  Techtel LMDS Comunicaciones Interactiva
 26615        1139       2505      73  TIM SA, BR
 28202        1105         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        1628        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1504        389      20  LINKdotNET-AS, EG
 36992        1367       1519     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1117         73     100  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
 36914         563         82       3  KENET-AS, KE
  6713         554       1861      34  IAM-AS, MA
 15399         523         55      53  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       12359       3321     498  UNINET, MX
  9808        9841       8741      60  CHINAMOBILE-CN China Mobile Communicati
 16509        9740      11352    3401  AMAZON-02, US
 47331        9048       1221    2297  TTNET, TR
 12479        7699       1714     147  UNI2-AS, ES
  7545        5655        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5158       6645     678  COGENT-174, US
  4538        5037       4192      75  ERX-CERNET-BKB China Education and Rese
 22773        5010       3063     299  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758        286      60  ALJAWWALSTC-AS, SA

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

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

   ASN  No of nets  Net Savings  Description
  9808        9841         9781  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7699         7552  UNI2-AS, ES
 47331        9048         6751  TTNET, TR
 16509        9740         6339  AMAZON-02, US
  7545        5655         4982  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5037         4962  ERX-CERNET-BKB China Education and Research Net
 22773        5010         4711  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4595         4570  FPT-AS-AP FPT Telecom Company, VN
   174        5158         4480  COGENT-174, US

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

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, 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
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

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
23.172.216.0/24      Origin:    398741  AS-VERTEXLINK-01, US
23.172.216.0/24     Transit:     60539  HUICAST_TELECOM, HK
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
27.0.192.0/22        Origin:    138415  HENGDA-HK HENGDA NETWORK LIMITED, HK
27.0.192.0/22       Transit:    149767  XHOSTS-AS-AP NEAROUTE LIMITED, HK

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

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:95      /12:301     
/13:582     /14:1206    /15:2141    /16:13426   /17:8471    /18:14217   
/19:25315   /20:45542   /21:53786   /22:114602  /23:107121  /24:601054  
/25:1119    /26:1063    /27:1514    /28:165     /29:268     /30:105     
/31:110     /32:618     

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

   ASN  No of nets  Total ann.  Description
 47331        8158        9048  TTNET, TR
 12479        6811        7699  UNI2-AS, ES
  8151        6372       12359  UNINET, MX
 22773        4047        5010  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3502        4589  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3400        3603  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2152        2496  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2132        3526  Telmex Colombia S.A., CO

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

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

   1:2305      2:1659      3:317       4:22        5:4704      6:162    
   7:6         8:1638      9:2        11:190      12:1471     13:382    
  14:2457     15:316      16:210      17:374      18:750      20:378    
  21:4        22:188      23:6677     24:3170     25:2        27:2709   
  29:19       31:2811     32:62       34:63       35:126      36:2223   
  37:4629     38:8543     39:901      40:125      41:4640     42:2220   
  43:2398     44:318      45:17818    46:4491     47:303      49:1947   
  50:1929     51:576      52:1616     54:310      55:973      56:5      
  57:163      58:2119     59:1206     60:1026     61:2766     62:2844   
  63:1948     64:5739     65:2361     66:4865     67:3140     68:1593   
  69:4118     70:1513     71:580      72:3028     74:2619     75:1587   
  76:636      77:2544     78:4153     79:2510     80:2182     81:2182   
  82:1586     83:1364     84:1660     85:4039     86:929      87:2304   
  88:3031     89:4180     90:683      91:8181     92:2272     93:2653   
  94:3820     95:5385     96:1313     97:315      98:1109     99:741    
 100:111     101:1195    102:3599    103:32988   104:4798    105:2014   
 106:1002    107:2782    108:1143    109:4136    110:2182    111:3239   
 112:2095    113:1794    114:1791    115:2184    116:1916    117:2626   
 118:2869    119:2036    120:1817    121:1365    122:2830    123:2270   
 124:1684    125:2882    126:32      128:1546    129:1035    130:1136   
 131:1922    132:931     133:410     134:1725    135:354     136:952    
 137:1073    138:3033    139:1583    140:1387    141:1381    142:1614   
 143:1589    144:1027    145:346     146:2051    147:1745    148:2518   
 149:2647    150:1050    151:1355    152:1986    153:593     154:6197   
 155:1386    156:2266    157:1675    158:1107    159:2274    160:2663   
 161:1667    162:3641    163:1751    164:1700    165:2187    166:1076   
 167:1785    168:4106    169:819     170:4981    171:1035    172:3848   
 173:3081    174:941     175:1256    176:3832    177:5393    178:3729   
 179:2485    180:2466    181:3783    182:3387    183:2052    184:2281   
 185:21024   186:5270    187:4851    188:4244    189:4377    190:9507   
 191:1920    192:11047   193:9108    194:7627    195:5442    196:3697   
 197:3050    198:6077    199:7571    200:8414    201:6411    202:10872  
 203:10587   204:4632    205:3784    206:4557    207:3609    208:4199   
 209:5116    210:4798    211:2608    212:4415    213:3552    214:1092   
 215:49      216:6874    217:3059    218:1386    219:607     220:2124   
 221:1035    222:880     223:2237   

End of report


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