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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Mar 31 22:41:18 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sun 31 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:                              998447
    Prefixes after maximum aggregation (per Origin AS):          364786
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      458963
Total ASes present in the Internet Routing Table:                 75832
    Prefixes per ASN:                                             13.17
Origin-only ASes present in the Internet Routing Table:           65060
Origin ASes announcing only one prefix:                           25950
Transit ASes present in the Internet Routing Table:               10772
Transit-only ASes present in the Internet Routing Table:            509
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1192
    Number of instances of unregistered ASNs:                      1194
Number of 32-bit ASNs allocated by the RIRs:                      43984
Number of 32-bit ASNs visible in the Routing Table:               36258
Prefixes from 32-bit ASNs in the Routing Table:                  194790
Number of bogon 32-bit ASNs visible in the Routing Table:           173
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            639
Number of addresses announced to Internet:                   3030905013
    Equivalent to 180 /8s, 167 /16s and 240 /24s
    Percentage of available address space announced:               81.9
    Percentage of allocated address space announced:               81.9
    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:      341354

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

Prefixes being announced by APNIC Region ASes:                   259976
    Total APNIC prefixes after maximum aggregation:               74035
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          252445
    Unique aggregates announced from the APNIC address blocks:   100277
APNIC Region origin ASes present in the Internet Routing Table:   14154
    APNIC Prefixes per ASN:                                       17.84
APNIC Region origin ASes announcing only one prefix:               4235
APNIC Region transit ASes present in the Internet Routing Table:   1905
Average APNIC Region AS path length visible:                        5.1
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9502
Number of APNIC addresses announced to Internet:              761282720
    Equivalent to 45 /8s, 96 /16s and 64 /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:                    283501
    Total ARIN prefixes after maximum aggregation:               125782
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           287728
    Unique aggregates announced from the ARIN address blocks:    132634
ARIN Region origin ASes present in the Internet Routing Table:    19179
    ARIN Prefixes per ASN:                                        15.00
ARIN Region origin ASes announcing only one prefix:                6963
ARIN Region transit ASes present in the Internet Routing Table:    1958
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4893
Number of ARIN addresses announced to Internet:              1270091842
    Equivalent to 75 /8s, 180 /16s and 16 /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:                    282688
    Total RIPE prefixes after maximum aggregation:               129074
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276885
    Unique aggregates announced from the RIPE address blocks:    162983
RIPE Region origin ASes present in the Internet Routing Table:    28667
    RIPE Prefixes per ASN:                                         9.66
RIPE Region origin ASes announcing only one prefix:               12077
RIPE Region transit ASes present in the Internet Routing Table:    3967
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          44
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11737
Number of RIPE addresses announced to Internet:               714936435
    Equivalent to 42 /8s, 157 /16s and 16 /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:                  136560
    Total LACNIC prefixes after maximum aggregation:              28924
    LACNIC Deaggregation factor:                                   4.72
Prefixes being announced from the LACNIC address blocks:         135077
    Unique aggregates announced from the LACNIC address blocks:   49573
LACNIC Region origin ASes present in the Internet Routing Table:  11071
    LACNIC Prefixes per ASN:                                      12.20
LACNIC Region origin ASes announcing only one prefix:              2071
LACNIC Region transit ASes present in the Internet Routing Table:  2408
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8929
Number of LACNIC addresses announced to Internet:             177311584
    Equivalent to 10 /8s, 145 /16s and 143 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                  34530
    Total AfriNIC prefixes after maximum aggregation:              6224
    AfriNIC Deaggregation factor:                                  5.55
Prefixes being announced from the AfriNIC address blocks:         45672
    Unique aggregates announced from the AfriNIC address blocks:  12995
AfriNIC Region origin ASes present in the Internet Routing Table:  1828
    AfriNIC Prefixes per ASN:                                     24.98
AfriNIC Region origin ASes announcing only one prefix:              604
AfriNIC Region transit ASes present in the Internet Routing Table:  357
Average AfriNIC Region AS path length visible:                      5.1
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1197
Number of AfriNIC addresses announced to Internet:            106961408
    Equivalent to 6 /8s, 96 /16s and 26 /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        9837       8742      65  CHINAMOBILE-CN China Mobile Communicati
  7545        5658        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5019       4192      76  ERX-CERNET-BKB China Education and Rese
 18403        4629        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3858       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3612       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3525        495     254  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3292       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2767        864     363  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2493      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        9792      11364    3406  AMAZON-02, US
   174        5302       6652     698  COGENT-174, US
 11492        4596        305     619  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3603       1320      75  SHAW, CA
 22773        3553       3048     245  ASN-CXA-ALL-CCI-22773-RDC, US
 16625        3200       1375    2272  AKAMAI-AS, US
   749        3189      54916    2441  DNIC-AS-00749, US
   367        2879       3579    1363  DNIC-ASBLK-00306-00371, US
396982        2763       3641     412  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        9057       1222    2277  TTNET, TR
 12479        7675       1709     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3934       3396     150  AKAMAI-ASN1, NL
  9009        3274        284    1601  M247, RO
 12389        2990       2304     903  ROSTELECOM-AS, RU
  8551        2654        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2515        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2467       1852      14  TE-AS TE-AS, EG
 34984        2387        366     581  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       12350       3315     495  UNINET, MX
 10620        3527        497     888  Telmex Colombia S.A., CO
 13999        2515        342     655  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1550       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1233        216      21  ETB - Colombia, CO
 11664        1145        179     426  Techtel LMDS Comunicaciones Interactiva
 28202        1129         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1103        346     480  Axtel, S.A.B. de C.V., MX

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        1630        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1502        389      20  LINKdotNET-AS, EG
 36992        1367       1519     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1206         76      61  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         554       1861      34  IAM-AS, MA
 36914         547         82       3  KENET-AS, KE
 15399         538         56      55  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       12350       3315     495  UNINET, MX
  9808        9837       8742      65  CHINAMOBILE-CN China Mobile Communicati
 16509        9792      11364    3406  AMAZON-02, US
 47331        9057       1222    2277  TTNET, TR
 12479        7675       1709     144  UNI2-AS, ES
  7545        5658        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5302       6652     698  COGENT-174, US
  4538        5019       4192      76  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4629        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        9837         9772  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7675         7531  UNI2-AS, ES
 47331        9057         6780  TTNET, TR
 16509        9792         6386  AMAZON-02, US
  7545        5658         4985  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5019         4943  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
   174        5302         4604  COGENT-174, US
 18403        4629         4604  FPT-AS-AP FPT Telecom Company, VN
  7155        4175         4084  VIASAT-SP-BACKBONE, 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
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, 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

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
27.0.192.0/22        Origin:    138415  HENGDA-HK HENGDA NETWORK LIMITED, HK
27.0.192.0/22       Transit:     51847  NEAROUTE, HK
27.0.192.0/24        Origin:    138195  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.192.0/24       Transit:      3786  LGDACOM LG DACOM Corporation, KR
27.0.193.0/24        Origin:    138195  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.193.0/24       Transit:      3786  LGDACOM LG DACOM Corporation, KR

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      /12:300     
/13:585     /14:1211    /15:2146    /16:13435   /17:8486    /18:14218   
/19:25501   /20:45554   /21:54037   /22:114789  /23:107731  /24:605330  
/25:1106    /26:1056    /27:1512    /28:165     /29:271     /30:114     
/31:113     /32:624     

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

   ASN  No of nets  Total ann.  Description
 47331        8165        9057  TTNET, TR
 12479        6792        7675  UNI2-AS, ES
  8151        6362       12350  UNINET, MX
 11492        3509        4596  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3401        3603  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2636        3553  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2148        2492  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2133        3527  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)
----------------------------------------------

   1:2319      2:1678      3:321       4:22        5:4712      6:162    
   7:6         8:1636      9:2        11:172      12:1471     13:377    
  14:2449     15:318      16:210      17:373      18:758      20:374    
  21:4        22:188      23:6714     24:3113     25:2        27:2703   
  29:19       31:2829     32:62       34:65       35:126      36:2270   
  37:4632     38:8375     39:901      40:125      41:4638     42:2250   
  43:2398     44:320      45:18561    46:4503     47:305      49:1946   
  50:1933     51:579      52:1616     54:307      55:890      56:5      
  57:175      58:2123     59:1267     60:1028     61:2772     62:2846   
  63:1943     64:5749     65:2363     66:4878     67:3140     68:1358   
  69:4129     70:1386     71:584      72:2977     74:2616     75:1587   
  76:631      77:2575     78:4160     79:2518     80:2220     81:2179   
  82:1623     83:1393     84:1656     85:4059     86:935      87:2308   
  88:3053     89:4159     90:679      91:8234     92:2285     93:2665   
  94:3838     95:5401     96:1319     97:314      98:1050     99:743    
 100:112     101:1197    102:3532    103:32986   104:4820    105:2065   
 106:1003    107:2774    108:1131    109:4109    110:2177    111:3254   
 112:2097    113:1800    114:1798    115:2126    116:1904    117:2630   
 118:2870    119:2039    120:1814    121:1357    122:2814    123:2257   
 124:1683    125:2886    126:32      128:1567    129:1036    130:1139   
 131:2047    132:924     133:410     134:1731    135:359     136:952    
 137:1077    138:3198    139:1577    140:1392    141:1368    142:1643   
 143:1654    144:1016    145:345     146:2066    147:1750    148:2513   
 149:2646    150:1049    151:1358    152:1989    153:593     154:6531   
 155:1433    156:2277    157:1711    158:1115    159:2326    160:2701   
 161:1662    162:3633    163:1733    164:1723    165:2196    166:1075   
 167:1793    168:4285    169:827     170:5248    171:1035    172:3858   
 173:3081    174:911     175:1253    176:3842    177:6227    178:3723   
 179:2766    180:2459    181:3800    182:3400    183:2053    184:2283   
 185:21051   186:5575    187:5225    188:4263    189:4562    190:9666   
 191:2057    192:11062   193:9131    194:7625    195:5456    196:3684   
 197:2880    198:6065    199:7594    200:8627    201:6613    202:10842  
 203:10604   204:4625    205:3788    206:4567    207:3556    208:4181   
 209:5109    210:4794    211:2611    212:4403    213:3540    214:1083   
 215:50      216:6892    217:3059    218:1386    219:608     220:2053   
 221:1042    222:878     223:2240   

End of report


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