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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Apr 26 22:41:06 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Fri 26 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:                              1002325
    Prefixes after maximum aggregation (per Origin AS):          366826
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      461758
Total ASes present in the Internet Routing Table:                 75999
    Prefixes per ASN:                                             13.19
Origin-only ASes present in the Internet Routing Table:           65077
Origin ASes announcing only one prefix:                           26006
Transit ASes present in the Internet Routing Table:               10922
Transit-only ASes present in the Internet Routing Table:            534
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:              1175
    Number of instances of unregistered ASNs:                      1179
Number of 32-bit ASNs allocated by the RIRs:                      44271
Number of 32-bit ASNs visible in the Routing Table:               36457
Prefixes from 32-bit ASNs in the Routing Table:                  197067
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:            652
Number of addresses announced to Internet:                   3030009524
    Equivalent to 180 /8s, 154 /16s and 70 /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:      342723

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

Prefixes being announced by APNIC Region ASes:                   260956
    Total APNIC prefixes after maximum aggregation:               74740
    APNIC Deaggregation factor:                                    3.49
Prefixes being announced from the APNIC address blocks:          253004
    Unique aggregates announced from the APNIC address blocks:   101206
APNIC Region origin ASes present in the Internet Routing Table:   14190
    APNIC Prefixes per ASN:                                       17.83
APNIC Region origin ASes announcing only one prefix:               4249
APNIC Region transit ASes present in the Internet Routing Table:   1907
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:   9549
Number of APNIC addresses announced to Internet:              761613728
    Equivalent to 45 /8s, 101 /16s and 77 /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:                    284627
    Total ARIN prefixes after maximum aggregation:               126593
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289233
    Unique aggregates announced from the ARIN address blocks:    133544
ARIN Region origin ASes present in the Internet Routing Table:    19185
    ARIN Prefixes per ASN:                                        15.08
ARIN Region origin ASes announcing only one prefix:                6948
ARIN Region transit ASes present in the Internet Routing Table:    1986
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:    4901
Number of ARIN addresses announced to Internet:              1268965698
    Equivalent to 75 /8s, 162 /16s and 225 /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:                    283772
    Total RIPE prefixes after maximum aggregation:               129469
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           278295
    Unique aggregates announced from the RIPE address blocks:    163930
RIPE Region origin ASes present in the Internet Routing Table:    28717
    RIPE Prefixes per ASN:                                         9.69
RIPE Region origin ASes announcing only one prefix:               12101
RIPE Region transit ASes present in the Internet Routing Table:    4019
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:   11811
Number of RIPE addresses announced to Internet:               715014514
    Equivalent to 42 /8s, 158 /16s and 65 /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:                  136841
    Total LACNIC prefixes after maximum aggregation:              29032
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135232
    Unique aggregates announced from the LACNIC address blocks:   49544
LACNIC Region origin ASes present in the Internet Routing Table:  11104
    LACNIC Prefixes per ASN:                                      12.18
LACNIC Region origin ASes announcing only one prefix:              2095
LACNIC Region transit ASes present in the Internet Routing Table:  2449
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:             177224544
    Equivalent to 10 /8s, 144 /16s and 59 /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:                  34954
    Total AfriNIC prefixes after maximum aggregation:              6268
    AfriNIC Deaggregation factor:                                  5.58
Prefixes being announced from the AfriNIC address blocks:         45908
    Unique aggregates announced from the AfriNIC address blocks:  13036
AfriNIC Region origin ASes present in the Internet Routing Table:  1849
    AfriNIC Prefixes per ASN:                                     24.83
AfriNIC Region origin ASes announcing only one prefix:              613
AfriNIC Region transit ASes present in the Internet Routing Table:  359
Average AfriNIC Region AS path length visible:                      4.7
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1214
Number of AfriNIC addresses announced to Internet:            106864384
    Equivalent to 6 /8s, 94 /16s and 159 /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        5667        777     677  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        3292       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        9804      11357    3519  AMAZON-02, US
   174        5337       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        2824       3549    1347  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        9091       1224    2213  TTNET, TR
 12479        7710       1708     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3966       3396     151  AKAMAI-ASN1, NL
  9009        3303        286    1619  M247, RO
 12389        2769       2293     881  ROSTELECOM-AS, RU
  8551        2639        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2391        365     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       12384       3311     491  UNINET, MX
 10620        3526        495     909  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        1313        788     197  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         557       1861      35  IAM-AS, MA
 36914         552         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       12384       3311     491  UNINET, MX
  9808        9890       8744      67  CHINAMOBILE-CN China Mobile Communicati
 16509        9804      11357    3519  AMAZON-02, US
 47331        9091       1224    2213  TTNET, TR
 12479        7710       1708     144  UNI2-AS, ES
  7545        5667        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5337       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        7710         7566  UNI2-AS, ES
 47331        9091         6878  TTNET, TR
 16509        9804         6285  AMAZON-02, US
  7545        5667         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        5337         4501  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
23.176.168.0/24      Origin:     17095  BUILDBUDDY-01, US
23.176.168.0/24     Transit:     36236  NETACTUATE, 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

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     
/13:582     /14:1211    /15:2142    /16:13416   /17:8504    /18:14209   
/19:25474   /20:45489   /21:54106   /22:115078  /23:108026  /24:608631  
/25:1102    /26:1074    /27:1514    /28:166     /29:278     /30:125     
/31:117     /32:618     

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

   ASN  No of nets  Total ann.  Description
 47331        8200        9091  TTNET, TR
 12479        6821        7710  UNI2-AS, ES
  8151        6415       12384  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        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)
----------------------------------------------

   1:2338      2:1708      3:331       4:22        5:4713      6:163    
   7:6         8:1613      9:1        11:172      12:1464     13:364    
  14:2460     15:317      16:210      17:373      18:766      20:382    
  21:4        22:188      23:6806     24:3120     25:2        27:2686   
  29:19       31:2782     32:60       34:64       35:133      36:2325   
  37:4611     38:8592     39:900      40:125      41:4710     42:2233   
  43:2431     44:320      45:18627    46:4576     47:312      49:1950   
  50:1949     51:577      52:1611     54:310      55:988      56:5      
  57:179      58:2134     59:1259     60:1032     61:2779     62:2843   
  63:1937     64:5732     65:2388     66:4834     67:3071     68:1363   
  69:4151     70:1385     71:588      72:2966     74:2638     75:1591   
  76:615      77:2627     78:4179     79:2549     80:2225     81:2178   
  82:1634     83:1411     84:1667     85:4077     86:952      87:2290   
  88:3062     89:4235     90:672      91:8262     92:2381     93:2706   
  94:3828     95:5384     96:1308     97:315      98:1057     99:742    
 100:93      101:1198    102:3682    103:33008   104:4888    105:2085   
 106:1008    107:2812    108:1122    109:4107    110:2185    111:3282   
 112:2093    113:1832    114:1805    115:2149    116:1911    117:2641   
 118:2874    119:2046    120:1812    121:1358    122:2822    123:2261   
 124:1701    125:2894    126:32      128:1563    129:1035    130:1178   
 131:2032    132:927     133:410     134:1741    135:363     136:960    
 137:1080    138:3212    139:1572    140:1400    141:1380    142:1620   
 143:1638    144:1005    145:361     146:2092    147:1881    148:2532   
 149:2763    150:1046    151:1369    152:2060    153:594     154:6821   
 155:1474    156:2500    157:1798    158:1157    159:2333    160:2751   
 161:1689    162:3605    163:1722    164:1709    165:2182    166:1176   
 167:1828    168:4220    169:831     170:5345    171:1034    172:3859   
 173:3080    174:901     175:1251    176:3803    177:6342    178:3875   
 179:2723    180:2445    181:3814    182:3414    183:2059    184:2294   
 185:21105   186:5667    187:5198    188:4275    189:4607    190:9780   
 191:2053    192:11036   193:9158    194:7672    195:5470    196:3332   
 197:2750    198:6108    199:7769    200:8614    201:6624    202:10839  
 203:10586   204:4643    205:3832    206:4561    207:3602    208:4202   
 209:5136    210:4791    211:2613    212:4388    213:3594    214:1061   
 215:50      216:6886    217:3208    218:1385    219:606     220:2058   
 221:1043    222:886     223:2248   

End of report


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