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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Apr 27 22:41:02 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sat 27 Apr, 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:                              1002187
    Prefixes after maximum aggregation (per Origin AS):          366730
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      461166
Total ASes present in the Internet Routing Table:                 76016
    Prefixes per ASN:                                             13.18
Origin-only ASes present in the Internet Routing Table:           65104
Origin ASes announcing only one prefix:                           26022
Transit ASes present in the Internet Routing Table:               10912
Transit-only ASes present in the Internet Routing Table:            533
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1140
    Number of instances of unregistered ASNs:                      1144
Number of 32-bit ASNs allocated by the RIRs:                      44303
Number of 32-bit ASNs visible in the Routing Table:               36472
Prefixes from 32-bit ASNs in the Routing Table:                  197136
Number of bogon 32-bit ASNs visible in the Routing Table:           174
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            649
Number of addresses announced to Internet:                   3030088116
    Equivalent to 180 /8s, 155 /16s and 121 /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:      342753

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

Prefixes being announced by APNIC Region ASes:                   260947
    Total APNIC prefixes after maximum aggregation:               74653
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          253004
    Unique aggregates announced from the APNIC address blocks:   100748
APNIC Region origin ASes present in the Internet Routing Table:   14201
    APNIC Prefixes per ASN:                                       17.82
APNIC Region origin ASes announcing only one prefix:               4263
APNIC Region transit ASes present in the Internet Routing Table:   1903
Average APNIC Region AS path length visible:                        4.9
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9565
Number of APNIC addresses announced to Internet:              761782944
    Equivalent to 45 /8s, 103 /16s and 226 /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:                    284616
    Total ARIN prefixes after maximum aggregation:               126575
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289150
    Unique aggregates announced from the ARIN address blocks:    133468
ARIN Region origin ASes present in the Internet Routing Table:    19189
    ARIN Prefixes per ASN:                                        15.07
ARIN Region origin ASes announcing only one prefix:                6951
ARIN Region transit ASes present in the Internet Routing Table:    1989
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4900
Number of ARIN addresses announced to Internet:              1268939842
    Equivalent to 75 /8s, 162 /16s and 124 /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, 393216-402332
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:                    283773
    Total RIPE prefixes after maximum aggregation:               129486
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           278318
    Unique aggregates announced from the RIPE address blocks:    163909
RIPE Region origin ASes present in the Internet Routing Table:    28720
    RIPE Prefixes per ASN:                                         9.69
RIPE Region origin ASes announcing only one prefix:               12100
RIPE Region transit ASes present in the Internet Routing Table:    4015
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          44
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11811
Number of RIPE addresses announced to Internet:               715005554
    Equivalent to 42 /8s, 158 /16s and 30 /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:                  136797
    Total LACNIC prefixes after maximum aggregation:              29026
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135202
    Unique aggregates announced from the LACNIC address blocks:   49518
LACNIC Region origin ASes present in the Internet Routing Table:  11106
    LACNIC Prefixes per ASN:                                      12.17
LACNIC Region origin ASes announcing only one prefix:              2096
LACNIC Region transit ASes present in the Internet Routing Table:  2440
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8982
Number of LACNIC addresses announced to Internet:             177200480
    Equivalent to 10 /8s, 143 /16s and 221 /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:                  34914
    Total AfriNIC prefixes after maximum aggregation:              6269
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         45863
    Unique aggregates announced from the AfriNIC address blocks:  13028
AfriNIC Region origin ASes present in the Internet Routing Table:  1849
    AfriNIC Prefixes per ASN:                                     24.80
AfriNIC Region origin ASes announcing only one prefix:              612
AfriNIC Region transit ASes present in the Internet Routing Table:  360
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1214
Number of AfriNIC addresses announced to Internet:            106833408
    Equivalent to 6 /8s, 94 /16s and 38 /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        9890       8744      67  CHINAMOBILE-CN China Mobile Communicati
  7545        5669        777     679  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5043       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4619        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3882       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3610        500     257  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3606       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3291       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2781        863     372  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2491      11524     587  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        9793      11354    3539  AMAZON-02, US
   174        5335       6629     836  COGENT-174, US
 11492        4597        305     618  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3614       1320      79  SHAW, CA
 22773        3547       3046     241  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3200      54911    2452  DNIC-AS-00749, US
 16625        3167       1345    2246  AKAMAI-AS, US
   367        2801       3529    1348  DNIC-ASBLK-00306-00371, US
  7018        2783      23653    1782  ATT-INTERNET4, 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        9089       1222    2215  TTNET, TR
 12479        7708       1708     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3945       3396     151  AKAMAI-ASN1, NL
  9009        3304        286    1620  M247, RO
 12389        2768       2293     881  ROSTELECOM-AS, RU
  8551        2639        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2392        366     575  TELLCOM-AS, TR
  8452        1864       1852      14  TE-AS TE-AS, EG

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       12377       3311     491  UNINET, MX
 10620        3521        495     912  Telmex Colombia S.A., CO
 13999        2541        351     662  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1554       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1314        788     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1164        176     432  Techtel LMDS Comunicaciones Interactiva
  6503        1133        314     478  Axtel, S.A.B. de C.V., MX
 28202        1122         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        1636        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1503        389      20  LINKdotNET-AS, EG
 36992        1370       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1204         76      65  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         556       1861      35  IAM-AS, MA
 36914         546         82       3  KENET-AS, KE
 15399         533         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       12377       3311     491  UNINET, MX
  9808        9890       8744      67  CHINAMOBILE-CN China Mobile Communicati
 16509        9793      11354    3539  AMAZON-02, US
 47331        9089       1222    2215  TTNET, TR
 12479        7708       1708     144  UNI2-AS, ES
  7545        5669        777     679  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5335       6629     836  COGENT-174, US
  4538        5043       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4619        347      23  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        9890         9823  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7708         7564  UNI2-AS, ES
 47331        9089         6874  TTNET, TR
 16509        9793         6254  AMAZON-02, US
  7545        5669         4990  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5043         4969  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4619         4596  FPT-AS-AP FPT Telecom Company, VN
   174        5335         4499  COGENT-174, US
  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              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            46887  CROWNCASTLE-AS46887, 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
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
27.0.192.0/22        Origin:    138415  YANCYLIMITED-AS-HK Yancy Limited, HK
27.0.192.0/22       Transit:      3491  BTN-ASN, US
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

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     
/13:583     /14:1211    /15:2142    /16:13413   /17:8505    /18:14205   
/19:25467   /20:45463   /21:54089   /22:115072  /23:108013  /24:608550  
/25:1101    /26:1076    /27:1515    /28:166     /29:293     /30:125     
/31:117     /32:618     

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

   ASN  No of nets  Total ann.  Description
 47331        8199        9089  TTNET, TR
 12479        6819        7708  UNI2-AS, ES
  8151        6409       12377  UNINET, MX
 11492        3510        4597  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3410        3614  SHAW, CA
  7155        3118        4175  VIASAT-SP-BACKBONE, US
 22773        2634        3547  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2157        2504  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2134        3521  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)
----------------------------------------------

   1:2338      2:1707      3:331       4:22        5:4712      6:163    
   7:6         8:1612      9:1        11:172      12:1460     13:363    
  14:2458     15:317      16:209      17:373      18:764      20:382    
  21:4        22:188      23:6798     24:3120     25:2        27:2683   
  29:19       31:2781     32:60       34:63       35:132      36:2326   
  37:4611     38:8585     39:899      40:125      41:4695     42:2233   
  43:2431     44:321      45:18632    46:4586     47:312      49:1950   
  50:1948     51:577      52:1612     54:310      55:985      56:5      
  57:179      58:2135     59:1258     60:1032     61:2779     62:2839   
  63:1937     64:5737     65:2387     66:4835     67:3072     68:1363   
  69:4150     70:1384     71:588      72:2967     74:2638     75:1592   
  76:615      77:2630     78:4179     79:2545     80:2223     81:2179   
  82:1632     83:1410     84:1664     85:4077     86:951      87:2290   
  88:3062     89:4238     90:671      91:8261     92:2381     93:2705   
  94:3830     95:5387     96:1307     97:315      98:1057     99:742    
 100:92      101:1198    102:3678    103:33018   104:4878    105:2085   
 106:1006    107:2812    108:1122    109:4109    110:2185    111:3282   
 112:2092    113:1832    114:1805    115:2149    116:1912    117:2642   
 118:2874    119:2047    120:1813    121:1357    122:2823    123:2261   
 124:1702    125:2897    126:32      128:1564    129:1033    130:1179   
 131:2032    132:927     133:410     134:1741    135:363     136:961    
 137:1076    138:3207    139:1570    140:1393    141:1373    142:1620   
 143:1637    144:1005    145:362     146:2091    147:1883    148:2533   
 149:2766    150:1048    151:1369    152:2060    153:594     154:6826   
 155:1474    156:2500    157:1796    158:1156    159:2340    160:2753   
 161:1684    162:3601    163:1724    164:1706    165:2182    166:1176   
 167:1826    168:4219    169:831     170:5352    171:1030    172:3858   
 173:3081    174:901     175:1256    176:3802    177:6373    178:3863   
 179:2724    180:2448    181:3814    182:3414    183:2059    184:2292   
 185:21119   186:5663    187:5212    188:4272    189:4607    190:9786   
 191:2054    192:11029   193:9161    194:7670    195:5468    196:3331   
 197:2740    198:6108    199:7767    200:8559    201:6620    202:10848  
 203:10584   204:4644    205:3820    206:4557    207:3601    208:4201   
 209:5134    210:4791    211:2613    212:4388    213:3599    214:1067   
 215:50      216:6884    217:3208    218:1387    219:606     220:2058   
 221:1043    222:886     223:2248   

End of report


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