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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Apr 25 22:41:13 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 25 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:                              1002208
    Prefixes after maximum aggregation (per Origin AS):          366605
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      461321
Total ASes present in the Internet Routing Table:                 75990
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           65110
Origin ASes announcing only one prefix:                           26015
Transit ASes present in the Internet Routing Table:               10880
Transit-only ASes present in the Internet Routing Table:            529
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:              1169
    Number of instances of unregistered ASNs:                      1173
Number of 32-bit ASNs allocated by the RIRs:                      44257
Number of 32-bit ASNs visible in the Routing Table:               36452
Prefixes from 32-bit ASNs in the Routing Table:                  196930
Number of bogon 32-bit ASNs visible in the Routing Table:           176
Special use prefixes present in the Routing Table:                   21
Prefixes being announced from unallocated address space:            650
Number of addresses announced to Internet:                   3030216116
    Equivalent to 180 /8s, 157 /16s and 109 /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:      342578

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

Prefixes being announced by APNIC Region ASes:                   260976
    Total APNIC prefixes after maximum aggregation:               74590
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          253063
    Unique aggregates announced from the APNIC address blocks:   100784
APNIC Region origin ASes present in the Internet Routing Table:   14195
    APNIC Prefixes per ASN:                                       17.83
APNIC Region origin ASes announcing only one prefix:               4252
APNIC Region transit ASes present in the Internet Routing Table:   1901
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9554
Number of APNIC addresses announced to Internet:              761792160
    Equivalent to 45 /8s, 104 /16s and 6 /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:                    284625
    Total ARIN prefixes after maximum aggregation:               126542
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289216
    Unique aggregates announced from the ARIN address blocks:    133566
ARIN Region origin ASes present in the Internet Routing Table:    19182
    ARIN Prefixes per ASN:                                        15.08
ARIN Region origin ASes announcing only one prefix:                6950
ARIN Region transit ASes present in the Internet Routing Table:    1981
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:    4899
Number of ARIN addresses announced to Internet:              1269025346
    Equivalent to 75 /8s, 163 /16s and 202 /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:                    283742
    Total RIPE prefixes after maximum aggregation:               129457
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           278236
    Unique aggregates announced from the RIPE address blocks:    163919
RIPE Region origin ASes present in the Internet Routing Table:    28714
    RIPE Prefixes per ASN:                                         9.69
RIPE Region origin ASes announcing only one prefix:               12095
RIPE Region transit ASes present in the Internet Routing Table:    4002
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          43
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11807
Number of RIPE addresses announced to Internet:               715018098
    Equivalent to 42 /8s, 158 /16s and 79 /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:                  136839
    Total LACNIC prefixes after maximum aggregation:              29029
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135234
    Unique aggregates announced from the LACNIC address blocks:   49536
LACNIC Region origin ASes present in the Internet Routing Table:  11102
    LACNIC Prefixes per ASN:                                      12.18
LACNIC Region origin ASes announcing only one prefix:              2103
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:  8976
Number of LACNIC addresses announced to Internet:             177246560
    Equivalent to 10 /8s, 144 /16s and 145 /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:                  34857
    Total AfriNIC prefixes after maximum aggregation:              6264
    AfriNIC Deaggregation factor:                                  5.56
Prefixes being announced from the AfriNIC address blocks:         45808
    Unique aggregates announced from the AfriNIC address blocks:  13020
AfriNIC Region origin ASes present in the Internet Routing Table:  1849
    AfriNIC Prefixes per ASN:                                     24.77
AfriNIC Region origin ASes announcing only one prefix:              615
AfriNIC Region transit ASes present in the Internet Routing Table:  362
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1216
Number of AfriNIC addresses announced to Internet:            106807808
    Equivalent to 6 /8s, 93 /16s and 194 /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      68  CHINAMOBILE-CN China Mobile Communicati
  7545        5666        777     679  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5043       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4624        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        3292       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2781        863     372  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2502      11524     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        9830      11361    3499  AMAZON-02, US
   174        5372       6630     838  COGENT-174, US
 11492        4597        305     618  CABLEONE, US
  7155        4175        288      91  VIASAT-SP-BACKBONE, US
  6327        3614       1320      79  SHAW, CA
 22773        3548       3062     242  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3200      54911    2452  DNIC-AS-00749, US
 16625        3167       1345    2246  AKAMAI-AS, US
   367        2830       3549    1356  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        9085       1224    2224  TTNET, TR
 12479        7703       1708     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3967       3396     152  AKAMAI-ASN1, NL
  9009        3304        286    1620  M247, RO
 12389        2768       2293     881  ROSTELECOM-AS, RU
  8551        2646        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2394        367     574  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       12409       3319     491  UNINET, MX
 10620        3526        495     909  Telmex Colombia S.A., CO
 13999        2521        350     666  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1553       2313     251  Claro NXT Telecomunicacoes Ltda, BR
  3816        1314        788     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1230        216      21  ETB - Colombia, CO
 11664        1158        176     428  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        1207         76      60  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         557       1861      35  IAM-AS, MA
 36914         540         82       3  KENET-AS, KE
 15399         529         55      52  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       12409       3319     491  UNINET, MX
  9808        9890       8744      68  CHINAMOBILE-CN China Mobile Communicati
 16509        9830      11361    3499  AMAZON-02, US
 47331        9085       1224    2224  TTNET, TR
 12479        7703       1708     144  UNI2-AS, ES
  7545        5666        777     679  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5372       6630     838  COGENT-174, US
  4538        5043       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 18403        4624        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         9822  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7703         7559  UNI2-AS, ES
 47331        9085         6861  TTNET, TR
 16509        9830         6331  AMAZON-02, US
  7545        5666         4987  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        4624         4601  FPT-AS-AP FPT Telecom Company, VN
   174        5372         4534  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:     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

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    /16:13418   /17:8505    /18:14208   
/19:25472   /20:45475   /21:54118   /22:115052  /23:108040  /24:608430  
/25:1167    /26:1072    /27:1512    /28:179     /29:296     /30:125     
/31:117     /32:623     

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

   ASN  No of nets  Total ann.  Description
 47331        8194        9085  TTNET, TR
 12479        6814        7703  UNI2-AS, ES
  8151        6432       12409  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        3548  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2158        2505  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2139        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)
----------------------------------------------

   1:2339      2:1705      3:331       4:22        5:4712      6:163    
   7:6         8:1614      9:1        11:172      12:1465     13:365    
  14:2458     15:318      16:209      17:373      18:766      20:381    
  21:4        22:188      23:6803     24:3120     25:2        27:2685   
  29:19       31:2793     32:60       34:64       35:132      36:2322   
  37:4608     38:8590     39:900      40:125      41:4662     42:2232   
  43:2430     44:320      45:18615    46:4573     47:312      49:1950   
  50:1947     51:577      52:1616     54:310      55:998      56:5      
  57:178      58:2140     59:1265     60:1032     61:2779     62:2843   
  63:1937     64:5734     65:2390     66:4827     67:3080     68:1347   
  69:4156     70:1384     71:588      72:2967     74:2638     75:1587   
  76:615      77:2621     78:4175     79:2553     80:2224     81:2180   
  82:1633     83:1409     84:1667     85:4079     86:953      87:2286   
  88:3060     89:4242     90:672      91:8273     92:2380     93:2702   
  94:3829     95:5382     96:1308     97:315      98:1056     99:743    
 100:94      101:1198    102:3664    103:33021   104:4878    105:2085   
 106:1007    107:2816    108:1119    109:4101    110:2186    111:3282   
 112:2092    113:1837    114:1799    115:2149    116:1915    117:2645   
 118:2875    119:2046    120:1812    121:1358    122:2824    123:2260   
 124:1701    125:2895    126:32      128:1564    129:1035    130:1182   
 131:2051    132:925     133:410     134:1741    135:363     136:959    
 137:1078    138:3210    139:1571    140:1399    141:1376    142:1620   
 143:1646    144:1007    145:361     146:2096    147:1881    148:2534   
 149:2765    150:1046    151:1366    152:2060    153:594     154:6846   
 155:1470    156:2495    157:1792    158:1159    159:2333    160:2754   
 161:1690    162:3606    163:1724    164:1707    165:2187    166:1175   
 167:1826    168:4215    169:831     170:5331    171:1031    172:3863   
 173:3081    174:901     175:1260    176:3803    177:6329    178:3862   
 179:2716    180:2452    181:3807    182:3414    183:2059    184:2295   
 185:21101   186:5649    187:5197    188:4275    189:4598    190:9766   
 191:2056    192:11036   193:9157    194:7670    195:5472    196:3330   
 197:2733    198:6107    199:7749    200:8600    201:6631    202:10845  
 203:10578   204:4642    205:3819    206:4562    207:3592    208:4199   
 209:5134    210:4791    211:2611    212:4387    213:3584    214:1065   
 215:50      216:6888    217:3190    218:1387    219:606     220:2058   
 221:1043    222:886     223:2250   

End of report


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