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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Mar 8 22:46:14 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Sat 08 Mar, 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:                             1029466
    Prefixes after maximum aggregation (per Origin AS):          377664
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      476906
Total ASes present in the Internet Routing Table:                 76784
    Prefixes per ASN:                                             13.41
Origin-only ASes present in the Internet Routing Table:           66137
Origin ASes announcing only one prefix:                           26271
Transit ASes present in the Internet Routing Table:               10647
Transit-only ASes present in the Internet Routing Table:            536
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:              1051
    Number of instances of unregistered ASNs:                      1072
Number of 32-bit ASNs allocated by the RIRs:                      46184
Number of 32-bit ASNs visible in the Routing Table:               37966
Prefixes from 32-bit ASNs in the Routing Table:                  210578
Number of bogon 32-bit ASNs visible in the Routing Table:           111
Special use prefixes present in the Routing Table:                    8
Prefixes being announced from unallocated address space:            504
Number of addresses announced to Internet:                   3114443621
    Equivalent to 185 /8s, 162 /16s and 163 /24s
    Percentage of available address space announced:               84.1
    Percentage of allocated address space announced:               84.1
    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:      348264

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

Prefixes being announced by APNIC Region ASes:                   265574
    Total APNIC prefixes after maximum aggregation:               76720
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257178
    Unique aggregates announced from the APNIC address blocks:   102851
APNIC Region origin ASes present in the Internet Routing Table:   14580
    APNIC Prefixes per ASN:                                       17.64
APNIC Region origin ASes announcing only one prefix:               4414
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:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10046
Number of APNIC addresses announced to Internet:              751974208
    Equivalent to 44 /8s, 210 /16s and 55 /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, 131072-155961
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:                    295287
    Total ARIN prefixes after maximum aggregation:               129804
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           295917
    Unique aggregates announced from the ARIN address blocks:    136441
ARIN Region origin ASes present in the Internet Routing Table:    19251
    ARIN Prefixes per ASN:                                        15.37
ARIN Region origin ASes announcing only one prefix:                7019
ARIN Region transit ASes present in the Internet Routing Table:    1898
Average ARIN Region AS path length visible:                         2.9
    Max ARIN Region AS path length visible:                          27
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5171
Number of ARIN addresses announced to Internet:              1351434496
    Equivalent to 80 /8s, 141 /16s and 65 /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:                    290127
    Total RIPE prefixes after maximum aggregation:               134104
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           287770
    Unique aggregates announced from the RIPE address blocks:    172997
RIPE Region origin ASes present in the Internet Routing Table:    28909
    RIPE Prefixes per ASN:                                         9.95
RIPE Region origin ASes announcing only one prefix:               12022
RIPE Region transit ASes present in the Internet Routing Table:    3826
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:   12313
Number of RIPE addresses announced to Internet:               733014053
    Equivalent to 43 /8s, 176 /16s and 232 /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:                  138480
    Total LACNIC prefixes after maximum aggregation:              29445
    LACNIC Deaggregation factor:                                   4.70
Prefixes being announced from the LACNIC address blocks:         135389
    Unique aggregates announced from the LACNIC address blocks:   48946
LACNIC Region origin ASes present in the Internet Routing Table:  11211
    LACNIC Prefixes per ASN:                                      12.08
LACNIC Region origin ASes announcing only one prefix:              2165
LACNIC Region transit ASes present in the Internet Routing Table:  2463
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:  9153
Number of LACNIC addresses announced to Internet:             172875520
    Equivalent to 10 /8s, 77 /16s and 223 /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:                  38947
    Total AfriNIC prefixes after maximum aggregation:              6941
    AfriNIC Deaggregation factor:                                  5.61
Prefixes being announced from the AfriNIC address blocks:         52706
    Unique aggregates announced from the AfriNIC address blocks:  15229
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     27.48
AfriNIC Region origin ASes announcing only one prefix:              651
AfriNIC Region transit ASes present in the Internet Routing Table:  361
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1283
Number of AfriNIC addresses announced to Internet:            104900864
    Equivalent to 6 /8s, 64 /16s and 169 /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       10328       8753      90  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5024       4194      79  ERX-CERNET-BKB China Education and Resear
 18403        4418        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4246        530     277  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3675       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3284       1869     104  VNPT-AS-VN VNPT Corp, VN
 24560        2844        850     537  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2207       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       12965      39646    3937  AMAZON-02, US
   174        5409       8769     972  COGENT-174, US
 11492        4671        310     587  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3390       3049     182  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3080       1310    2225  AKAMAI-AS, US
396982        2944       3660     457  GOOGLE-CLOUD-PLATFORM, US
 30036        2557        353     404  MEDIACOM-ENTERPRISE-BUSINESS, 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        9685       1288    1286  TTNET, TR
 12479        7770       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4039       3396     142  AKAMAI-ASN1, NL
  9009        3784        324    1949  M247, RO
 12389        2983       2303     891  ROSTELECOM-AS, RU
 34984        2415        364     574  TELLCOM-AS, TR
212238        2029        146    1498  CDNEXT, GB
  8452        1892       1852      14  TE-AS TE-AS, EG
  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       12084       3254     694  UNINET, MX
 10620        3544        492     962  Telmex Colombia S.A., CO
 13999        2509        539     374  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1594       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1328        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1204        371      22  Telefonica del Peru S.A.A., PE
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1109        374     163  Axtel, S.A.B. de C.V., MX
 11664        1076        278      33  Techtel LMDS Comunicaciones Interactivas 

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        1682        599      30  RAYA-AS, EG
 37457        1639        316      32  Telkom-Internet, ZA
 24863        1618        389      16  LINKdotNET-AS, EG
 29571        1578        100     104  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 20011        1275        198     332  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1022        523      45  Vodafone-, EG
 37069         851       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       12965      39646    3937  AMAZON-02, US
  8151       12084       3254     694  UNINET, MX
  9808       10328       8753      90  CHINAMOBILE-CN China Mobile Communication
 47331        9685       1288    1286  TTNET, TR
 12479        7770       1714     145  UNI2-AS, ES
  7545        6211        843     657  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5409       8769     972  COGENT-174, US
  4538        5024       4194      79  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4671        310     587  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       12084        11390  UNINET, MX
  9808       10328        10238  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9685         8399  TTNET, TR
 12479        7770         7625  UNI2-AS, ES
  7545        6211         5554  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5024         4945  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5409         4437  COGENT-174, US
 18403        4418         4393  FPT-AS-AP FPT Telecom Company, VN
  7155        4175         4092  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
     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
     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
    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
10.116.75.0/24            22884  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
100.108.0.0/23            43939  INTERNETIA_ETTH2-AS Noc-Bialystok, PL
100.108.14.0/24           43939  INTERNETIA_ETTH2-AS Noc-Bialystok, PL
100.108.38.0/23           43939  INTERNETIA_ETTH2-AS Noc-Bialystok, PL
100.108.43.0/24           43939  INTERNETIA_ETTH2-AS Noc-Bialystok, PL
172.22.139.0/24            8151  UNINET, MX
172.22.243.0/24            8151  UNINET, MX
192.88.99.0/24             6939  HURRICANE, 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
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      Transit:      7018  ATT-INTERNET4, US
23.155.208.0/24      Origin:    396169  AS-GHCIL-01, US
23.155.208.0/24     Transit:     35985  ONERINGNET-ATL-1, 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      /11:92      /12:304     
/13:587     /14:1235    /15:2207    /16:14126   /17:8585    /18:14273   
/19:25473   /20:46070   /21:54741   /22:116004  /23:110407  /24:632046  
/25:594     /26:592     /27:1053    /28:77      /29:106     /30:23      
/31:2       /32:794     

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

   ASN  No of nets  Total ann.  Description
 47331        8768        9685  TTNET, TR
 12479        6711        7770  UNI2-AS, ES
  8151        6239       12084  UNINET, MX
 11492        3527        4671  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3622  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2526        3390  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2345       12965  AMAZON-02, US
 30036        2217        2557  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2365      2:1538      3:578       4:25        5:4873      6:167    
   7:6         8:1643      9:1        10:1        11:172      12:1380   
  13:349      14:2555     15:351      16:279      17:364      18:925    
  20:471      21:4        22:188      23:7379     24:3070     25:2      
  27:2778     29:19       31:3266     32:53       34:83       35:209    
  36:2434     37:4750     38:10142    39:898      40:153      41:4755   
  42:2024     43:2576     44:357      45:20005    46:5057     47:291    
  49:2001     50:1897     51:589      52:1597     54:303      55:865    
  56:9        57:253      58:2314     59:1295     60:1166     61:3084   
  62:3024     63:1851     64:5555     65:2200     66:4727     67:3079   
  68:1138     69:4000     70:1130     71:621      72:2946     74:2813   
  75:1656     76:615      77:2809     78:4237     79:1758     80:2233   
  81:2180     82:2798     83:1447     84:1834     85:4287     86:1034   
  87:2436     88:3425     89:4481     90:781      91:8456     92:2814   
  93:2921     94:3988     95:5485     96:1413     97:327      98:973    
  99:740     100:73      101:1421    102:4228    103:32585   104:4837   
 105:2235    106:998     107:2603    108:1226    109:4168    110:2271   
 111:3337    112:2061    113:1831    114:1955    115:2212    116:2101   
 117:2761    118:2902    119:2011    120:1911    121:1440    122:2903   
 123:2330    124:1686    125:2912    126:92      128:1617    129:1017   
 130:1317    131:2016    132:902     133:451     134:1533    135:376    
 136:1282    137:1174    138:3233    139:1618    140:1563    141:1486   
 142:1875    143:1746    144:1067    145:483     146:2179    147:2084   
 148:2603    149:2947    150:1253    151:1954    152:2130    153:574    
 154:8252    155:1628    156:3344    157:1935    158:1270    159:2434   
 160:3659    161:1973    162:3705    163:1904    164:1760    165:2219   
 166:1391    167:1913    168:4361    169:811     170:5498    171:1005   
 172:4469    173:3254    174:915     175:1284    176:3786    177:6148   
 178:3956    179:2721    180:2655    181:4184    182:3377    183:2073   
 184:2313    185:21795   186:5705    187:4981    188:4341    189:4612   
 190:9932    191:2106    192:11203   193:9479    194:7868    195:5674   
 196:3587    197:3970    198:6246    199:8413    200:8738    201:6570   
 202:10905   203:10761   204:4555    205:3709    206:4662    207:3593   
 208:4205    209:5266    210:4883    211:2634    212:4602    213:3885   
 214:1060    215:42      216:6697    217:3182    218:1392    219:555    
 220:2109    221:1055    222:849     223:2337   

End of report


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