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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Feb 10 22:46:40 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Mon 10 Feb, 2025

  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:                             1032174
    Prefixes after maximum aggregation (per Origin AS):          377027
    Deaggregation factor:                                          2.74
    Unique aggregates announced (without unneeded subnets):      474326
Total ASes present in the Internet Routing Table:                 76748
    Prefixes per ASN:                                             13.45
Origin-only ASes present in the Internet Routing Table:           66051
Origin ASes announcing only one prefix:                           26232
Transit ASes present in the Internet Routing Table:               10697
Transit-only ASes present in the Internet Routing Table:            535
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       3.2
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1110
    Number of instances of unregistered ASNs:                      1117
Number of 32-bit ASNs allocated by the RIRs:                      46100
Number of 32-bit ASNs visible in the Routing Table:               37846
Prefixes from 32-bit ASNs in the Routing Table:                  209998
Number of bogon 32-bit ASNs visible in the Routing Table:            78
Special use prefixes present in the Routing Table:                   14
Prefixes being announced from unallocated address space:            522
Number of addresses announced to Internet:                   3118689147
    Equivalent to 185 /8s, 227 /16s and 107 /24s
    Percentage of available address space announced:               84.2
    Percentage of allocated address space announced:               84.2
    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:      347537

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

Prefixes being announced by APNIC Region ASes:                   267160
    Total APNIC prefixes after maximum aggregation:               77159
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          258511
    Unique aggregates announced from the APNIC address blocks:   102600
APNIC Region origin ASes present in the Internet Routing Table:   14560
    APNIC Prefixes per ASN:                                       17.75
APNIC Region origin ASes announcing only one prefix:               4434
APNIC Region transit ASes present in the Internet Routing Table:   1941
Average APNIC Region AS path length visible:                        3.4
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10010
Number of APNIC addresses announced to Internet:              758813504
    Equivalent to 45 /8s, 58 /16s and 147 /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:                    296752
    Total ARIN prefixes after maximum aggregation:               129128
    ARIN Deaggregation factor:                                     2.30
Prefixes being announced from the ARIN address blocks:           298063
    Unique aggregates announced from the ARIN address blocks:    135040
ARIN Region origin ASes present in the Internet Routing Table:    19236
    ARIN Prefixes per ASN:                                        15.50
ARIN Region origin ASes announcing only one prefix:                6989
ARIN Region transit ASes present in the Internet Routing Table:    1918
Average ARIN Region AS path length visible:                         2.8
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5144
Number of ARIN addresses announced to Internet:              1344156614
    Equivalent to 80 /8s, 30 /16s and 51 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    289750
    Total RIPE prefixes after maximum aggregation:               133753
    RIPE Deaggregation factor:                                     2.17
Prefixes being announced from the RIPE address blocks:           286636
    Unique aggregates announced from the RIPE address blocks:    172033
RIPE Region origin ASes present in the Internet Routing Table:    28900
    RIPE Prefixes per ASN:                                         9.92
RIPE Region origin ASes announcing only one prefix:               12010
RIPE Region transit ASes present in the Internet Routing Table:    3841
Average RIPE Region AS path length visible:                         3.2
    Max RIPE Region AS path length visible:                          26
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12277
Number of RIPE addresses announced to Internet:               732783397
    Equivalent to 43 /8s, 173 /16s and 99 /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,
                        53/8,  57/8,  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:                  138309
    Total LACNIC prefixes after maximum aggregation:              29371
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135717
    Unique aggregates announced from the LACNIC address blocks:   48990
LACNIC Region origin ASes present in the Internet Routing Table:  11207
    LACNIC Prefixes per ASN:                                      12.11
LACNIC Region origin ASes announcing only one prefix:              2154
LACNIC Region transit ASes present in the Internet Routing Table:  2474
Average LACNIC Region AS path length visible:                       3.3
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9139
Number of LACNIC addresses announced to Internet:             177913472
    Equivalent to 10 /8s, 154 /16s and 190 /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:                  39093
    Total AfriNIC prefixes after maximum aggregation:              6923
    AfriNIC Deaggregation factor:                                  5.65
Prefixes being announced from the AfriNIC address blocks:         52723
    Unique aggregates announced from the AfriNIC address blocks:  15234
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     27.49
AfriNIC Region origin ASes announcing only one prefix:              645
AfriNIC Region transit ASes present in the Internet Routing Table:  365
Average AfriNIC Region AS path length visible:                      3.5
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1276
Number of AfriNIC addresses announced to Internet:            104758016
    Equivalent to 6 /8s, 62 /16s and 123 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10398       8921     125  CHINAMOBILE-CN China Mobile Communication
  7545        6210        843     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5039       4193      77  ERX-CERNET-BKB China Education and Resear
 18403        4238        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4214        530     275  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3919       1331      25  VIETEL-AS-AP Viettel Group, VN
 45899        3902       1890      51  VNPT-AS-VN VNPT Corp, VN
  7713        3673       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 24560        2840        854     531  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2235       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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       12741      38947    3723  AMAZON-02, US
   174        5541       8758     889  COGENT-174, US
 11492        4698        312     553  CABLEONE, US
  7155        4180        287      86  VIASAT-SP-BACKBONE, US
  6327        3623       1320      81  SHAW, CA
 22773        3409       3050     187  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
  2152        3188        508     130  CENIC-2152, US
 16625        3043       1311    2197  AKAMAI-AS, US
396982        2923       3659     448  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        9661       1284    1335  TTNET, TR
 12479        7746       1715     146  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4020       3396     142  AKAMAI-ASN1, NL
  9009        3781        324    1928  M247, RO
 12389        2993       2303     893  ROSTELECOM-AS, RU
 34984        2416        364     573  TELLCOM-AS, TR
  8452        1949       1852      14  TE-AS TE-AS, EG
212238        1921        139    1417  CDNEXT, GB
  5384        1799        585      30  EMIRATES-INTERNET Emirates Internet, AE

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       11984       3219     709  UNINET, MX
 10620        3543        492     951  Telmex Colombia S.A., CO
 13999        2515        539     366  Mega Cable, S.A. de C.V., MX
 11830        1993        369      64  Instituto Costarricense de Electricidad y
 28573        1579       2438     259  Claro NXT Telecomunicacoes Ltda, BR
  3816        1330        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6503        1130        374     163  Axtel, S.A.B. de C.V., MX
 28202        1130         52       9  Rede Brasileira de Comunicacao SA, BR
  6147        1109        371      22  Telefonica del Peru S.A.A., PE
 22884        1075         98     375  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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
 24835        1683        601      30  RAYA-AS, EG
 24863        1646        389      16  LINKdotNET-AS, EG
 37457        1639        316      32  Telkom-Internet, ZA
 29571        1538         97      99  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 20011        1288        199     339  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1002        521      42  Vodafone-, EG
 37069         843       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA

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
 16509       12741      38947    3723  AMAZON-02, US
  8151       11984       3219     709  UNINET, MX
  9808       10398       8921     125  CHINAMOBILE-CN China Mobile Communication
 47331        9661       1284    1335  TTNET, TR
 12479        7746       1715     146  UNI2-AS, ES
  7545        6210        843     665  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5541       8758     889  COGENT-174, US
  4538        5039       4193      77  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4698        312     553  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
  8151       11984        11275  UNINET, MX
  9808       10398        10273  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9661         8326  TTNET, TR
 12479        7746         7600  UNI2-AS, ES
  7545        6210         5545  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5039         4962  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5541         4652  COGENT-174, US
 18403        4238         4213  FPT-AS-AP FPT Telecom Company, VN
 11492        4698         4145  CABLEONE, 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
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     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
    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
10.116.75.0/24            22884  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
100.126.255.172/30        13979  ATT-IPFR, US
100.126.255.176/30        13979  ATT-IPFR, US
100.126.255.180/30        13979  ATT-IPFR, US
100.126.255.184/30        13979  ATT-IPFR, US
100.127.255.0/26          64510  RESERVED, ZZ
100.127.255.64/28         64510  RESERVED, ZZ
100.127.255.80/28         64510  RESERVED, ZZ
100.127.255.128/26        64511  RESERVED, ZZ
100.127.255.192/28        64511  RESERVED, ZZ

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
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      7018  ATT-INTERNET4, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, 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

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       /9:16      /10:42      /11:93      /12:308     
/13:589     /14:1236    /15:2211    /16:14132   /17:8579    /18:14723   
/19:25585   /20:46332   /21:55145   /22:116467  /23:110419  /24:630051  
/25:655     /26:653     /27:1185    /28:219     /29:369     /30:247     
/31:1269    /32:1632    

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

   ASN  No of nets  Total ann.  Description
 47331        8747        9661  TTNET, TR
 12479        6705        7746  UNI2-AS, ES
  8151        6159       11984  UNINET, MX
 11492        3555        4698  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3623  SHAW, CA
  7155        3128        4180  VIASAT-SP-BACKBONE, US
 22773        2541        3409  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2266       12741  AMAZON-02, US
 30036        2241        2581  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2330      2:1599      3:569       4:25        5:4827      6:165    
   7:6         8:1637      9:1        10:1        11:172      12:1387   
  13:352      14:2540     15:348      16:270      17:359      18:917    
  20:460      21:4        22:188      23:7360     24:2780     25:2      
  27:2772     29:19       31:3196     32:55       34:81       35:205    
  36:2435     37:4740     38:9956     39:897      40:153      41:4772   
  42:1933     43:2568     44:350      45:19924    46:5032     47:295    
  49:2003     50:1898     51:589      52:1604     54:306      55:1098   
  56:9        57:250      58:2317     59:1253     60:1166     61:3131   
  62:3023     63:1847     64:5559     65:2224     66:4730     67:3091   
  68:1139     69:4042     70:1135     71:620      72:2942     74:2823   
  75:1644     76:633      77:2755     78:4230     79:1744     80:2256   
  81:2223     82:2383     83:1454     84:1817     85:4237     86:1027   
  87:2463     88:3425     89:4463     90:755      91:8472     92:2816   
  93:2892     94:3997     95:5413     96:1295     97:317      98:977    
  99:737     100:71      101:1398    102:4277    103:32635   104:4692   
 105:2229    106:1018    107:2622    108:1208    109:4125    110:2262   
 111:3405    112:2072    113:1810    114:1957    115:2259    116:2095   
 117:2745    118:2857    119:2018    120:1904    121:1433    122:2888   
 123:2295    124:1676    125:2914    126:94      128:1680    129:1039   
 130:1320    131:2043    132:905     133:450     134:1538    135:370    
 136:1340    137:1165    138:3257    139:1615    140:1556    141:1485   
 142:1870    143:1734    144:1066    145:468     146:2166    147:2067   
 148:2606    149:2937    150:1215    151:1670    152:2181    153:574    
 154:8255    155:1623    156:3620    157:1908    158:1254    159:2430   
 160:3663    161:1909    162:3684    163:1823    164:1757    165:2205   
 166:1361    167:1907    168:4401    169:821     170:5501    171:1006   
 172:4312    173:3267    174:921     175:1287    176:3725    177:6140   
 178:3934    179:2729    180:2631    181:4140    182:3373    183:2035   
 184:2273    185:21785   186:5662    187:4981    188:4357    189:4547   
 190:9900    191:2088    192:11229   193:9453    194:7854    195:5639   
 196:3505    197:3982    198:6230    199:8341    200:8706    201:6571   
 202:10962   203:10807   204:4603    205:3704    206:4706    207:3622   
 208:4218    209:5243    210:4866    211:2652    212:4635    213:3868   
 214:1055    215:42      216:6675    217:3183    218:1395    219:555    
 220:2122    221:1056    222:848     223:2327   

End of report


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