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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Mar 5 22:41:33 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Tue 05 Mar, 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:                              990109
    Prefixes after maximum aggregation (per Origin AS):          363826
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      458600
Total ASes present in the Internet Routing Table:                 75725
    Prefixes per ASN:                                             13.08
Origin-only ASes present in the Internet Routing Table:           64929
Origin ASes announcing only one prefix:                           26106
Transit ASes present in the Internet Routing Table:               10796
Transit-only ASes present in the Internet Routing Table:            502
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1297
    Number of instances of unregistered ASNs:                      1299
Number of 32-bit ASNs allocated by the RIRs:                      43763
Number of 32-bit ASNs visible in the Routing Table:               36094
Prefixes from 32-bit ASNs in the Routing Table:                  189805
Number of bogon 32-bit ASNs visible in the Routing Table:           191
Special use prefixes present in the Routing Table:                   31
Prefixes being announced from unallocated address space:            631
Number of addresses announced to Internet:                   3042815411
    Equivalent to 181 /8s, 93 /16s and 173 /24s
    Percentage of available address space announced:               82.2
    Percentage of allocated address space announced:               82.2
    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:      338710

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

Prefixes being announced by APNIC Region ASes:                   258995
    Total APNIC prefixes after maximum aggregation:               73824
    APNIC Deaggregation factor:                                    3.51
Prefixes being announced from the APNIC address blocks:          251561
    Unique aggregates announced from the APNIC address blocks:   100365
APNIC Region origin ASes present in the Internet Routing Table:   14090
    APNIC Prefixes per ASN:                                       17.85
APNIC Region origin ASes announcing only one prefix:               4218
APNIC Region transit ASes present in the Internet Routing Table:   1894
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:   9441
Number of APNIC addresses announced to Internet:              775210912
    Equivalent to 46 /8s, 52 /16s and 199 /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:                    283692
    Total ARIN prefixes after maximum aggregation:               125405
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           288082
    Unique aggregates announced from the ARIN address blocks:    132617
ARIN Region origin ASes present in the Internet Routing Table:    19152
    ARIN Prefixes per ASN:                                        15.04
ARIN Region origin ASes announcing only one prefix:                6948
ARIN Region transit ASes present in the Internet Routing Table:    1968
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4860
Number of ARIN addresses announced to Internet:              1270495808
    Equivalent to 75 /8s, 186 /16s and 58 /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, 393216-401308
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:                    281682
    Total RIPE prefixes after maximum aggregation:               128630
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           275791
    Unique aggregates announced from the RIPE address blocks:    162351
RIPE Region origin ASes present in the Internet Routing Table:    28644
    RIPE Prefixes per ASN:                                         9.63
RIPE Region origin ASes announcing only one prefix:               12092
RIPE Region transit ASes present in the Internet Routing Table:    3963
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          40
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11680
Number of RIPE addresses announced to Internet:               712852595
    Equivalent to 42 /8s, 125 /16s and 68 /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:                  130355
    Total LACNIC prefixes after maximum aggregation:              29048
    LACNIC Deaggregation factor:                                   4.49
Prefixes being announced from the LACNIC address blocks:         129100
    Unique aggregates announced from the LACNIC address blocks:   49493
LACNIC Region origin ASes present in the Internet Routing Table:  11081
    LACNIC Prefixes per ASN:                                      11.65
LACNIC Region origin ASes announcing only one prefix:              2239
LACNIC Region transit ASes present in the Internet Routing Table:  2427
Average LACNIC Region AS path length visible:                       4.9
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8923
Number of LACNIC addresses announced to Internet:             177484128
    Equivalent to 10 /8s, 148 /16s and 49 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                  34088
    Total AfriNIC prefixes after maximum aggregation:              6125
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         44943
    Unique aggregates announced from the AfriNIC address blocks:  13250
AfriNIC Region origin ASes present in the Internet Routing Table:  1833
    AfriNIC Prefixes per ASN:                                     24.52
AfriNIC Region origin ASes announcing only one prefix:              609
AfriNIC Region transit ASes present in the Internet Routing Table:  354
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1190
Number of AfriNIC addresses announced to Internet:            106436352
    Equivalent to 6 /8s, 88 /16s and 23 /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        9818       8740      57  CHINAMOBILE-CN China Mobile Communicati
  7545        5656        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5013       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4570        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3863       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3608       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3513        495     253  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3293       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2750        863     362  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2504      11259     578  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        9698      11296    3353  AMAZON-02, US
 22773        5010       3078     303  ASN-CXA-ALL-CCI-22773-RDC, US
   174        4948       6645     689  COGENT-174, US
 11492        4578        304     649  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3597       1320      75  SHAW, CA
 16625        3226       1400    2303  AKAMAI-AS, US
   749        3201      54920    2453  DNIC-AS-00749, US
   367        2891       3629    1409  DNIC-ASBLK-00306-00371, US
396982        2760       3640     396  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        8998       1211    2369  TTNET, TR
 12479        7626       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3938       3396     150  AKAMAI-ASN1, NL
  9009        3292        285    1603  M247, RO
 12389        2969       2303     903  ROSTELECOM-AS, RU
  8551        2658        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2508        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2459       1852      14  TE-AS TE-AS, EG
 34984        2398        366     586  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       12523       3347     603  UNINET, MX
 10620        3524        496     890  Telmex Colombia S.A., CO
 13999        2512        343     655  Mega Cable, S.A. de C.V., MX
 11830        2006        369      64  Instituto Costarricense de Electricidad
 28573        1343       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1312        787     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1213        349     490  Axtel, S.A.B. de C.V., MX
 11664        1143        179     420  Techtel LMDS Comunicaciones Interactiva
 26615        1138       2505      73  TIM SA, BR
 28202        1105         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        1629        315      40  Telkom-Internet, ZA
 24835        1550        545      28  RAYA-AS, EG
 24863        1521        389      20  LINKdotNET-AS, EG
 36992        1364       1519     281  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1162         75      59  ORANGE-COTE-IVOIRE, CI
 36935         953        523      49  Vodafone-, EG
  6713         554       1861      34  IAM-AS, MA
 36914         550         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       12523       3347     603  UNINET, MX
  9808        9818       8740      57  CHINAMOBILE-CN China Mobile Communicati
 16509        9698      11296    3353  AMAZON-02, US
 47331        8998       1211    2369  TTNET, TR
 12479        7626       1714     147  UNI2-AS, ES
  7545        5656        777     674  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5013       4192      75  ERX-CERNET-BKB China Education and Rese
 22773        5010       3078     303  ASN-CXA-ALL-CCI-22773-RDC, US
   174        4948       6645     689  COGENT-174, US
 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        9818         9761  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7626         7479  UNI2-AS, ES
 47331        8998         6629  TTNET, TR
 16509        9698         6345  AMAZON-02, US
  7545        5656         4982  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5013         4938  ERX-CERNET-BKB China Education and Research Net
 22773        5010         4707  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4570         4545  FPT-AS-AP FPT Telecom Company, VN
   174        4948         4259  COGENT-174, 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            65512  -Private Use AS-, ZZ
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     40493  UNALLOCATED  8.17.26.0/24              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             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             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
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ
100.66.10.0/24            65534  -Private Use AS-, ZZ

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
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
27.0.192.0/24        Origin:    136800  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.192.0/24       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      /11:98      /12:300     
/13:579     /14:1208    /15:2135    /16:13532   /17:8471    /18:14206   
/19:25364   /20:45551   /21:53739   /22:114135  /23:106788  /24:599050  
/25:1109    /26:1051    /27:1505    /28:162     /29:257     /30:85      
/31:104     /32:612     

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

   ASN  No of nets  Total ann.  Description
 47331        8116        8998  TTNET, TR
 12479        6739        7626  UNI2-AS, ES
  8151        6481       12523  UNINET, MX
 22773        4043        5010  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3491        4578  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3394        3597  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2157        2501  MEDIACOM-ENTERPRISE-BUSINESS, US
  8551        2134        2658  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

   1:2328      2:1640      3:307       4:22        5:4685      6:161    
   7:6         8:1630      9:2        11:190      12:1472     13:385    
  14:2443     15:314      16:208      17:374      18:743      20:375    
  21:4        22:188      23:6673     24:3160     25:2        27:2708   
  29:19       31:2784     32:61       34:46       35:127      36:2211   
  37:4634     38:8194     39:901      40:141      41:4657     42:2199   
  43:2392     44:331      45:17776    46:4476     47:289      49:1936   
  50:1924     51:580      52:1618     54:312      55:862      56:5      
  57:156      58:2109     59:1204     60:1023     61:2768     62:2851   
  63:1942     64:5728     65:2364     66:4868     67:3128     68:1593   
  69:4100     70:1519     71:583      72:3036     74:2623     75:1591   
  76:635      77:2522     78:4144     79:2507     80:2183     81:2172   
  82:1575     83:1321     84:1667     85:4040     86:939      87:2267   
  88:3005     89:4152     90:684      91:8135     92:2280     93:2654   
  94:3824     95:5351     96:1322     97:313      98:1099     99:743    
 100:119     101:1185    102:3556    103:32981   104:4784    105:2045   
 106:1005    107:2785    108:1142    109:4106    110:2175    111:3203   
 112:2090    113:1786    114:1790    115:2146    116:1979    117:2629   
 118:2792    119:2038    120:1817    121:1361    122:2821    123:2270   
 124:1689    125:2880    126:28      128:1552    129:1027    130:1136   
 131:1928    132:934     133:410     134:1718    135:356     136:929    
 137:1064    138:3020    139:1562    140:1376    141:1362    142:1595   
 143:1590    144:1024    145:342     146:2056    147:1720    148:2525   
 149:2637    150:1043    151:1341    152:1992    153:596     154:6063   
 155:1374    156:2133    157:1615    158:1101    159:2246    160:2698   
 161:1647    162:3642    163:1744    164:1695    165:2179    166:1082   
 167:1733    168:4132    169:821     170:5003    171:1029    172:3852   
 173:3064    174:933     175:1258    176:3832    177:5382    178:3672   
 179:2530    180:2461    181:3779    182:3422    183:2035    184:2282   
 185:20999   186:5248    187:4865    188:4236    189:4371    190:9527   
 191:1891    192:11031   193:9091    194:7610    195:5449    196:3647   
 197:2960    198:6066    199:7392    200:8514    201:6454    202:10839  
 203:10577   204:4627    205:3783    206:4570    207:3593    208:4201   
 209:5074    210:4784    211:2608    212:4411    213:3564    214:1106   
 215:44      216:6879    217:3053    218:1388    219:606     220:2127   
 221:1028    222:879     223:2267   

End of report


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