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

REN Routing Table Report cscora at bgp.nsrc.org
Thu May 9 22:41:27 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 09 May, 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:                              1001938
    Prefixes after maximum aggregation (per Origin AS):          366629
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      461936
Total ASes present in the Internet Routing Table:                 76020
    Prefixes per ASN:                                             13.18
Origin-only ASes present in the Internet Routing Table:           65070
Origin ASes announcing only one prefix:                           26073
Transit ASes present in the Internet Routing Table:               10950
Transit-only ASes present in the Internet Routing Table:            520
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1132
    Number of instances of unregistered ASNs:                      1136
Number of 32-bit ASNs allocated by the RIRs:                      44426
Number of 32-bit ASNs visible in the Routing Table:               36503
Prefixes from 32-bit ASNs in the Routing Table:                  196545
Number of bogon 32-bit ASNs visible in the Routing Table:           174
Special use prefixes present in the Routing Table:                   19
Prefixes being announced from unallocated address space:            669
Number of addresses announced to Internet:                   3028378228
    Equivalent to 180 /8s, 129 /16s and 98 /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:      342743

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

Prefixes being announced by APNIC Region ASes:                   260804
    Total APNIC prefixes after maximum aggregation:               74568
    APNIC Deaggregation factor:                                    3.50
Prefixes being announced from the APNIC address blocks:          253014
    Unique aggregates announced from the APNIC address blocks:   101076
APNIC Region origin ASes present in the Internet Routing Table:   14223
    APNIC Prefixes per ASN:                                       17.79
APNIC Region origin ASes announcing only one prefix:               4272
APNIC Region transit ASes present in the Internet Routing Table:   1917
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9582
Number of APNIC addresses announced to Internet:              761835680
    Equivalent to 45 /8s, 104 /16s and 176 /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:                    284743
    Total ARIN prefixes after maximum aggregation:               126648
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289452
    Unique aggregates announced from the ARIN address blocks:    133778
ARIN Region origin ASes present in the Internet Routing Table:    19198
    ARIN Prefixes per ASN:                                        15.08
ARIN Region origin ASes announcing only one prefix:                6961
ARIN Region transit ASes present in the Internet Routing Table:    1985
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          28
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4916
Number of ARIN addresses announced to Internet:              1267991362
    Equivalent to 75 /8s, 148 /16s and 3 /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:                    284474
    Total RIPE prefixes after maximum aggregation:               129318
    RIPE Deaggregation factor:                                     2.20
Prefixes being announced from the RIPE address blocks:           278809
    Unique aggregates announced from the RIPE address blocks:    164007
RIPE Region origin ASes present in the Internet Routing Table:    28721
    RIPE Prefixes per ASN:                                         9.71
RIPE Region origin ASes announcing only one prefix:               12095
RIPE Region transit ASes present in the Internet Routing Table:    4028
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          44
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11816
Number of RIPE addresses announced to Internet:               714393714
    Equivalent to 42 /8s, 148 /16s and 200 /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:                  135841
    Total LACNIC prefixes after maximum aggregation:              29124
    LACNIC Deaggregation factor:                                   4.66
Prefixes being announced from the LACNIC address blocks:         134238
    Unique aggregates announced from the LACNIC address blocks:   49463
LACNIC Region origin ASes present in the Internet Routing Table:  11092
    LACNIC Prefixes per ASN:                                      12.10
LACNIC Region origin ASes announcing only one prefix:              2133
LACNIC Region transit ASes present in the Internet Routing Table:  2448
Average LACNIC Region AS path length visible:                       4.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8974
Number of LACNIC addresses announced to Internet:             176989472
    Equivalent to 10 /8s, 140 /16s and 165 /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:                  34944
    Total AfriNIC prefixes after maximum aggregation:              6255
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         45755
    Unique aggregates announced from the AfriNIC address blocks:  13102
AfriNIC Region origin ASes present in the Internet Routing Table:  1851
    AfriNIC Prefixes per ASN:                                     24.72
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:                      4.6
    Max AfriNIC Region AS path length visible:                       45
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1215
Number of AfriNIC addresses announced to Internet:            106804480
    Equivalent to 6 /8s, 93 /16s and 181 /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        9844       8743      67  CHINAMOBILE-CN China Mobile Communicati
  7545        5651        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      74  ERX-CERNET-BKB China Education and Rese
 18403        4541        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3866       1331      21  VIETEL-AS-AP Viettel Group, VN
  9498        3717        507     263  BBIL-AP BHARTI Airtel Ltd., IN
  7713        3581       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
 45899        3293       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2789        863     378  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2486      11522     582  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        9894      11369    3515  AMAZON-02, US
   174        5360       6632     841  COGENT-174, US
 11492        4609        306     610  CABLEONE, US
  7155        4173        288      91  VIASAT-SP-BACKBONE, US
  6327        3596       1320      79  SHAW, CA
 22773        3544       3057     235  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3225      54904    2477  DNIC-AS-00749, US
 16625        3131       1345    2240  AKAMAI-AS, US
   367        2833       3508    1337  DNIC-ASBLK-00306-00371, US
396982        2763       3639     411  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        9138       1227    2133  TTNET, TR
 12479        7750       1708     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3918       3396     150  AKAMAI-ASN1, NL
  9009        3314        287    1619  M247, RO
 12389        2953       2302     893  ROSTELECOM-AS, RU
  8551        2636        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2487        585      31  EMIRATES-INTERNET Emirates Internet, AE
 34984        2394        366     577  TELLCOM-AS, TR
  8452        1877       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       12344       3319     495  UNINET, MX
 10620        3502        491     940  Telmex Colombia S.A., CO
 13999        2537        351     660  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1557       2314     252  Claro NXT Telecomunicacoes Ltda, BR
  3816        1317        788     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1180        176     439  Techtel LMDS Comunicaciones Interactiva
  6503        1133        314     478  Axtel, S.A.B. de C.V., MX
 28202        1129         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        1634        314      37  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1503        389      20  LINKdotNET-AS, EG
 36992        1373       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1198         77      59  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         557       1861      35  IAM-AS, MA
 36914         555         82       3  KENET-AS, KE
 15399         544         56      54  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       12344       3319     495  UNINET, MX
 16509        9894      11369    3515  AMAZON-02, US
  9808        9844       8743      67  CHINAMOBILE-CN China Mobile Communicati
 47331        9138       1227    2133  TTNET, TR
 12479        7750       1708     144  UNI2-AS, ES
  7545        5651        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5360       6632     841  COGENT-174, US
  4538        5007       4192      74  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 11492        4609        306     610  CABLEONE, US

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        9844         9777  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7750         7606  UNI2-AS, ES
 47331        9138         7005  TTNET, TR
 16509        9894         6379  AMAZON-02, US
  7545        5651         4978  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007         4933  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
   174        5360         4519  COGENT-174, US
 18403        4541         4518  FPT-AS-AP FPT Telecom Company, VN
  7155        4173         4082  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
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
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
23.147.240.0/24      Origin:    398208  RESERVED, ZZ
23.147.240.0/24     Transit:     19930  EQUINIX-EC-CH, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, 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      /11:94      /12:297     
/13:582     /14:1196    /15:2120    /16:13408   /17:8499    /18:14217   
/19:25361   /20:45480   /21:54034   /22:115006  /23:107886  /24:608683  
/25:1101    /26:1068    /27:1509    /28:169     /29:290     /30:129     
/31:123     /32:618     

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

   ASN  No of nets  Total ann.  Description
 47331        8245        9138  TTNET, TR
 12479        6855        7750  UNI2-AS, ES
  8151        6350       12344  UNINET, MX
 11492        3518        4609  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3392        3596  SHAW, CA
  7155        3116        4173  VIASAT-SP-BACKBONE, US
 22773        2637        3544  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2161        2507  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2128        3502  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      2:1713      3:346       4:22        5:4736      6:164    
   7:6         8:1618      9:1        11:172      12:1460     13:361    
  14:2457     15:318      16:214      17:374      18:768      20:383    
  21:4        22:188      23:6783     24:3125     25:2        27:2681   
  29:19       31:2724     32:62       34:62       35:136      36:2324   
  37:4614     38:8769     39:903      40:125      41:4691     42:2217   
  43:2427     44:322      45:18507    46:4616     47:312      49:1957   
  50:1929     51:579      52:1611     54:313      55:895      56:5      
  57:178      58:2144     59:1263     60:1035     61:2779     62:2834   
  63:1933     64:5739     65:2390     66:4845     67:3074     68:1350   
  69:4159     70:1388     71:595      72:2959     74:2628     75:1593   
  76:618      77:2634     78:4180     79:2541     80:2230     81:2187   
  82:1649     83:1410     84:1663     85:4089     86:953      87:2296   
  88:3106     89:4238     90:683      91:8280     92:2381     93:2715   
  94:3883     95:5437     96:1298     97:315      98:1056     99:741    
 100:89      101:1192    102:3719    103:33031   104:4828    105:2086   
 106:1008    107:2801    108:1161    109:4185    110:2174    111:3287   
 112:2098    113:1826    114:1795    115:2180    116:1916    117:2636   
 118:2841    119:2046    120:1794    121:1359    122:2808    123:2262   
 124:1710    125:2897    126:32      128:1553    129:1042    130:1196   
 131:2024    132:920     133:410     134:1740    135:363     136:959    
 137:1081    138:3143    139:1548    140:1396    141:1359    142:1620   
 143:1628    144:1010    145:362     146:2097    147:1890    148:2522   
 149:2815    150:1044    151:1352    152:2170    153:595     154:6862   
 155:1477    156:2319    157:1820    158:1157    159:2344    160:2745   
 161:1703    162:3597    163:1727    164:1714    165:2193    166:1178   
 167:1836    168:4203    169:831     170:5337    171:1045    172:3867   
 173:3085    174:899     175:1258    176:3836    177:6208    178:3868   
 179:2645    180:2443    181:3814    182:3405    183:2016    184:2290   
 185:21118   186:5663    187:5166    188:4289    189:4575    190:9793   
 191:2048    192:11044   193:9171    194:7694    195:5477    196:3318   
 197:2719    198:6107    199:7864    200:8570    201:6618    202:10842  
 203:10587   204:4664    205:3817    206:4536    207:3641    208:4200   
 209:5132    210:4814    211:2643    212:4430    213:3585    214:1047   
 215:49      216:6890    217:3238    218:1365    219:611     220:2054   
 221:1044    222:874     223:2241   

End of report


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