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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Apr 14 22:42:10 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Sun 14 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:                              1004659
    Prefixes after maximum aggregation (per Origin AS):          368821
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      460272
Total ASes present in the Internet Routing Table:                 75880
    Prefixes per ASN:                                             13.24
Origin-only ASes present in the Internet Routing Table:           65053
Origin ASes announcing only one prefix:                           25944
Transit ASes present in the Internet Routing Table:               10827
Transit-only ASes present in the Internet Routing Table:            519
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                     203
    Max AS path prepend of ASN ( 56409)                             200
Prefixes from unregistered ASNs in the Routing Table:              4724
    Number of instances of unregistered ASNs:                      4727
Number of 32-bit ASNs allocated by the RIRs:                      44132
Number of 32-bit ASNs visible in the Routing Table:               36315
Prefixes from 32-bit ASNs in the Routing Table:                  195418
Number of bogon 32-bit ASNs visible in the Routing Table:           182
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            659
Number of addresses announced to Internet:                   3030332389
    Equivalent to 180 /8s, 159 /16s and 51 /24s
    Percentage of available address space announced:               81.9
    Percentage of allocated address space announced:               81.9
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:      344722

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

Prefixes being announced by APNIC Region ASes:                   260393
    Total APNIC prefixes after maximum aggregation:               74269
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          252798
    Unique aggregates announced from the APNIC address blocks:   100439
APNIC Region origin ASes present in the Internet Routing Table:   14157
    APNIC Prefixes per ASN:                                       17.86
APNIC Region origin ASes announcing only one prefix:               4229
APNIC Region transit ASes present in the Internet Routing Table:   1882
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:   9504
Number of APNIC addresses announced to Internet:              761083560
    Equivalent to 45 /8s, 93 /16s and 54 /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:                    284177
    Total ARIN prefixes after maximum aggregation:               126178
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288920
    Unique aggregates announced from the ARIN address blocks:    133226
ARIN Region origin ASes present in the Internet Routing Table:    19167
    ARIN Prefixes per ASN:                                        15.07
ARIN Region origin ASes announcing only one prefix:                6947
ARIN Region transit ASes present in the Internet Routing Table:    1957
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4885
Number of ARIN addresses announced to Internet:              1269745502
    Equivalent to 75 /8s, 174 /16s and 199 /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:                    283593
    Total RIPE prefixes after maximum aggregation:               129371
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           280235
    Unique aggregates announced from the RIPE address blocks:    163548
RIPE Region origin ASes present in the Internet Routing Table:    28692
    RIPE Prefixes per ASN:                                         9.77
RIPE Region origin ASes announcing only one prefix:               12082
RIPE Region transit ASes present in the Internet Routing Table:    4011
Average RIPE Region AS path length visible:                         4.1
    Max RIPE Region AS path length visible:                         203
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11769
Number of RIPE addresses announced to Internet:               714998650
    Equivalent to 42 /8s, 158 /16s and 3 /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:                  137090
    Total LACNIC prefixes after maximum aggregation:              28977
    LACNIC Deaggregation factor:                                   4.73
Prefixes being announced from the LACNIC address blocks:         135589
    Unique aggregates announced from the LACNIC address blocks:   49486
LACNIC Region origin ASes present in the Internet Routing Table:  11089
    LACNIC Prefixes per ASN:                                      12.23
LACNIC Region origin ASes announcing only one prefix:              2088
LACNIC Region transit ASes present in the Internet Routing Table:  2429
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8960
Number of LACNIC addresses announced to Internet:             177210464
    Equivalent to 10 /8s, 144 /16s and 4 /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:                  34682
    Total AfriNIC prefixes after maximum aggregation:              6208
    AfriNIC Deaggregation factor:                                  5.59
Prefixes being announced from the AfriNIC address blocks:         46457
    Unique aggregates announced from the AfriNIC address blocks:  13058
AfriNIC Region origin ASes present in the Internet Routing Table:  1827
    AfriNIC Prefixes per ASN:                                     25.43
AfriNIC Region origin ASes announcing only one prefix:              598
AfriNIC Region transit ASes present in the Internet Routing Table:  352
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1197
Number of AfriNIC addresses announced to Internet:            106965505
    Equivalent to 6 /8s, 96 /16s and 42 /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        9850       8743      68  CHINAMOBILE-CN China Mobile Communicati
  7545        5660        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5023       4192      76  ERX-CERNET-BKB China Education and Rese
 18403        4627        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3872       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3644       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3594        499     261  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3292       1872     100  VNPT-AS-VN VNPT Corp, VN
 24560        2774        861     372  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2505      11258     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        9864      11373    3452  AMAZON-02, US
   174        5246       6632     829  COGENT-174, US
 11492        4602        305     605  CABLEONE, US
  7155        4176        288      92  VIASAT-SP-BACKBONE, US
  6327        3605       1320      75  SHAW, CA
 22773        3550       3048     240  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3202      54912    2454  DNIC-AS-00749, US
 16625        3177       1353    2257  AKAMAI-AS, US
   367        2812       3545    1342  DNIC-ASBLK-00306-00371, US
396982        2763       3641     413  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        9062       1223    2275  TTNET, TR
 12479        7712       1709     144  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3944       3396     150  AKAMAI-ASN1, NL
  9009        3288        285    1606  M247, RO
 12389        2978       2303     901  ROSTELECOM-AS, RU
  8551        2643        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2491        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2473       1852      14  TE-AS TE-AS, EG
 34984        2395        367     575  TELLCOM-AS, TR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12408       3320     496  UNINET, MX
 10620        3534        497     888  Telmex Colombia S.A., CO
 13999        2524        347     655  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1548       2315     247  Claro NXT Telecomunicacoes Ltda, BR
  3816        1313        788     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
 19429        1232        216      21  ETB - Colombia, CO
 11664        1152        177     428  Techtel LMDS Comunicaciones Interactiva
  6503        1134        314     479  Axtel, S.A.B. de C.V., MX
 28202        1130         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        1630        315      38  Telkom-Internet, ZA
 24835        1549        545      28  RAYA-AS, EG
 24863        1502        389      20  LINKdotNET-AS, EG
 36992        1367       1519     283  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1206         76      63  ORANGE-COTE-IVOIRE, CI
 36935         935        521      42  Vodafone-, EG
  6713         555       1861      34  IAM-AS, MA
 15399         532         55      52  WANANCHI-, KE
 36914         530         82       3  KENET-AS, 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       12408       3320     496  UNINET, MX
 16509        9864      11373    3452  AMAZON-02, US
  9808        9850       8743      68  CHINAMOBILE-CN China Mobile Communicati
 47331        9062       1223    2275  TTNET, TR
 12479        7712       1709     144  UNI2-AS, ES
 64912        7000          1    3065  >>UNKNOWN<<
  7545        5660        777     677  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5246       6632     829  COGENT-174, US
  4538        5023       4192      76  ERX-CERNET-BKB China Education and Rese
 39891        4758        286      60  ALJAWWALSTC-AS, SA

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        9850         9782  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7712         7568  UNI2-AS, ES
 47331        9062         6787  TTNET, TR
 16509        9864         6412  AMAZON-02, US
  7545        5660         4983  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5023         4947  ERX-CERNET-BKB China Education and Research Net
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4627         4604  FPT-AS-AP FPT Telecom Company, VN
   174        5246         4417  COGENT-174, US
  7155        4176         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
     64912  PRIVATE      2.56.10.79/32            20912  ASN-PANSERVICE, IT
     64912  PRIVATE      2.58.193.190/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      2.59.156.194/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.9.157.239/32           20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.34.241.125/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.44.253.136/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.44.253.137/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.44.253.138/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.44.253.142/32          20912  ASN-PANSERVICE, IT
     64912  PRIVATE      5.75.143.17/32           20912  ASN-PANSERVICE, IT

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     
/13:585     /14:1211    /15:2145    /16:13439   /17:8500    /18:14224   
/19:25491   /20:45505   /21:54114   /22:114998  /23:107927  /24:607488  
/25:1097    /26:1067    /27:1521    /28:168     /29:279     /30:124     
/31:118     /32:4195    

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

   ASN  No of nets  Total ann.  Description
 47331        8169        9062  TTNET, TR
 12479        6831        7712  UNI2-AS, ES
  8151        6424       12408  UNINET, MX
 11492        3515        4602  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3402        3605  SHAW, CA
  7155        3119        4176  VIASAT-SP-BACKBONE, US
 22773        2638        3550  ASN-CXA-ALL-CCI-22773-RDC, US
 64912        2399        7000  -Private Use AS-, ZZ
 30036        2147        2493  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2336      2:1697      3:322       4:22        5:4716      6:161    
   7:6         8:1617      9:2        11:172      12:1467     13:379    
  14:2450     15:318      16:209      17:373      18:759      20:376    
  21:4        22:188      23:6728     24:3117     25:2        27:2704   
  29:19       31:2857     32:60       34:66       35:128      36:2309   
  37:4608     38:8425     39:898      40:126      41:4633     42:2225   
  43:2419     44:317      45:18618    46:4535     47:310      49:1949   
  50:1950     51:579      52:1618     54:312      55:996      56:5      
  57:174      58:2127     59:1269     60:1034     61:2771     62:2843   
  63:1934     64:5742     65:2368     66:4841     67:3082     68:1362   
  69:4143     70:1385     71:588      72:2980     74:2631     75:1586   
  76:634      77:2585     78:4159     79:2531     80:2218     81:2202   
  82:1629     83:1391     84:1657     85:4073     86:944      87:2304   
  88:3051     89:4211     90:678      91:8257     92:2300     93:2691   
  94:3841     95:5372     96:1307     97:316      98:1049     99:743    
 100:98      101:1201    102:3601    103:32984   104:4829    105:2065   
 106:1007    107:2776    108:1127    109:4140    110:2174    111:3266   
 112:2097    113:1837    114:1800    115:2147    116:1907    117:2634   
 118:2877    119:2044    120:1816    121:1358    122:2815    123:2256   
 124:1681    125:2892    126:32      128:1570    129:1011    130:1160   
 131:2048    132:931     133:410     134:1726    135:361     136:951    
 137:1072    138:3200    139:1570    140:1397    141:1380    142:1622   
 143:1643    144:1013    145:350     146:2096    147:1862    148:2519   
 149:2627    150:1042    151:1364    152:2037    153:593     154:6832   
 155:1455    156:2443    157:1746    158:1153    159:2335    160:2735   
 161:1652    162:3626    163:1744    164:1725    165:2191    166:1173   
 167:1820    168:4272    169:830     170:5298    171:1030    172:3843   
 173:3073    174:906     175:1257    176:3798    177:6274    178:3722   
 179:2774    180:2453    181:3819    182:3406    183:2049    184:2295   
 185:21065   186:5717    187:5250    188:4259    189:4627    190:9726   
 191:2066    192:11038   193:9142    194:7653    195:5484    196:3674   
 197:2915    198:6084    199:7669    200:8659    201:6628    202:10827  
 203:10561   204:4628    205:3812    206:4560    207:3559    208:4202   
 209:5153    210:4796    211:2612    212:4408    213:3581    214:1084   
 215:50      216:6892    217:3064    218:1386    219:608     220:2048   
 221:1042    222:883     223:2241   

End of report


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