[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 11 22:46:14 UTC 2025


IPv4 R&E Routing Table Report   22:40 GMT Tue 11 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:                             1030093
    Prefixes after maximum aggregation (per Origin AS):          377849
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      476286
Total ASes present in the Internet Routing Table:                 76799
    Prefixes per ASN:                                             13.41
Origin-only ASes present in the Internet Routing Table:           66145
Origin ASes announcing only one prefix:                           26267
Transit ASes present in the Internet Routing Table:               10654
Transit-only ASes present in the Internet Routing Table:            533
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:              1057
    Number of instances of unregistered ASNs:                      1078
Number of 32-bit ASNs allocated by the RIRs:                      46190
Number of 32-bit ASNs visible in the Routing Table:               37988
Prefixes from 32-bit ASNs in the Routing Table:                  210560
Number of bogon 32-bit ASNs visible in the Routing Table:           111
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:            493
Number of addresses announced to Internet:                   3114270821
    Equivalent to 185 /8s, 160 /16s and 0 /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:      348685

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

Prefixes being announced by APNIC Region ASes:                   265426
    Total APNIC prefixes after maximum aggregation:               76653
    APNIC Deaggregation factor:                                    3.46
Prefixes being announced from the APNIC address blocks:          257203
    Unique aggregates announced from the APNIC address blocks:   102823
APNIC Region origin ASes present in the Internet Routing Table:   14588
    APNIC Prefixes per ASN:                                       17.63
APNIC Region origin ASes announcing only one prefix:               4414
APNIC Region transit ASes present in the Internet Routing Table:   1943
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:  10058
Number of APNIC addresses announced to Internet:              751984448
    Equivalent to 44 /8s, 210 /16s and 95 /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:                    295667
    Total ARIN prefixes after maximum aggregation:               130006
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           296299
    Unique aggregates announced from the ARIN address blocks:    136458
ARIN Region origin ASes present in the Internet Routing Table:    19246
    ARIN Prefixes per ASN:                                        15.40
ARIN Region origin ASes announcing only one prefix:                7007
ARIN Region transit ASes present in the Internet Routing Table:    1899
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:    5169
Number of ARIN addresses announced to Internet:              1351512832
    Equivalent to 80 /8s, 142 /16s and 115 /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:                    290118
    Total RIPE prefixes after maximum aggregation:               134094
    RIPE Deaggregation factor:                                     2.16
Prefixes being announced from the RIPE address blocks:           287706
    Unique aggregates announced from the RIPE address blocks:    173065
RIPE Region origin ASes present in the Internet Routing Table:    28916
    RIPE Prefixes per ASN:                                         9.95
RIPE Region origin ASes announcing only one prefix:               12023
RIPE Region transit ASes present in the Internet Routing Table:    3837
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:   12319
Number of RIPE addresses announced to Internet:               732344613
    Equivalent to 43 /8s, 166 /16s and 177 /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:                  138810
    Total LACNIC prefixes after maximum aggregation:              29491
    LACNIC Deaggregation factor:                                   4.71
Prefixes being announced from the LACNIC address blocks:         135765
    Unique aggregates announced from the LACNIC address blocks:   49030
LACNIC Region origin ASes present in the Internet Routing Table:  11221
    LACNIC Prefixes per ASN:                                      12.10
LACNIC Region origin ASes announcing only one prefix:              2174
LACNIC Region transit ASes present in the Internet Routing Table:  2460
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:  9160
Number of LACNIC addresses announced to Internet:             172908288
    Equivalent to 10 /8s, 78 /16s and 95 /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:                  39015
    Total AfriNIC prefixes after maximum aggregation:              6950
    AfriNIC Deaggregation factor:                                  5.61
Prefixes being announced from the AfriNIC address blocks:         52625
    Unique aggregates announced from the AfriNIC address blocks:  14479
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     27.44
AfriNIC Region origin ASes announcing only one prefix:              649
AfriNIC Region transit ASes present in the Internet Routing Table:  364
Average AfriNIC Region AS path length visible:                      3.6
    Max AfriNIC Region AS path length visible:                       36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of AfriNIC addresses announced to Internet:            105279488
    Equivalent to 6 /8s, 70 /16s and 112 /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       10329       8753      90  CHINAMOBILE-CN China Mobile Communication
  7545        6212        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5062       4194      78  ERX-CERNET-BKB China Education and Resear
 18403        4403        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4254        530     277  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3676       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3284       1869     104  VNPT-AS-VN VNPT Corp, VN
 24560        2841        848     539  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2206       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       12947      39644    3938  AMAZON-02, US
   174        5626       8768     961  COGENT-174, US
 11492        4673        310     589  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
 22773        3391       3049     182  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3078       1306    2226  AKAMAI-AS, US
396982        2944       3660     457  GOOGLE-CLOUD-PLATFORM, US
 30036        2546        350     417  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        9683       1287    1285  TTNET, TR
 12479        7775       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4032       3396     142  AKAMAI-ASN1, NL
  9009        3783        324    1948  M247, RO
 12389        2988       2303     891  ROSTELECOM-AS, RU
 34984        2415        364     574  TELLCOM-AS, TR
212238        2028        144    1495  CDNEXT, GB
  8452        1911       1852      14  TE-AS TE-AS, EG
  5384        1781        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       12089       3257     689  UNINET, MX
 10620        3523        487     970  Telmex Colombia S.A., CO
 13999        2508        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        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1203        371      22  Telefonica del Peru S.A.A., PE
 28202        1126         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1107        359     174  Axtel, S.A.B. de C.V., MX
 11664        1075        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        1683        599      30  RAYA-AS, EG
 37457        1639        316      32  Telkom-Internet, ZA
 24863        1619        389      16  LINKdotNET-AS, EG
 29571        1582        100     104  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 20011        1276        198     333  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1022        523      45  Vodafone-, EG
 37069         883       1083      15  MOBINIL, EG
  6713         559       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       12947      39644    3938  AMAZON-02, US
  8151       12089       3257     689  UNINET, MX
  9808       10329       8753      90  CHINAMOBILE-CN China Mobile Communication
 47331        9683       1287    1285  TTNET, TR
 12479        7775       1714     145  UNI2-AS, ES
  7545        6212        843     658  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5626       8768     961  COGENT-174, US
  4538        5062       4194      78  ERX-CERNET-BKB China Education and Resear
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4673        310     589  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       12089        11400  UNINET, MX
  9808       10329        10239  CHINAMOBILE-CN China Mobile Communications Grou
 47331        9683         8398  TTNET, TR
 12479        7775         7630  UNI2-AS, ES
  7545        6212         5554  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5062         4984  ERX-CERNET-BKB China Education and Research Net
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5626         4665  COGENT-174, US
 18403        4403         4378  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
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     /14:1236    /15:2205    /16:14135   /17:8584    /18:14278   
/19:25485   /20:46080   /21:54755   /22:115926  /23:110460  /24:632655  
/25:585     /26:590     /27:1058    /28:77      /29:106     /30:23      
/31:2       /32:795     

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

   ASN  No of nets  Total ann.  Description
 47331        8766        9683  TTNET, TR
 12479        6715        7775  UNI2-AS, ES
  8151        6244       12089  UNINET, MX
 11492        3527        4673  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3417        3622  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2527        3391  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2340       12947  AMAZON-02, US
 30036        2206        2546  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2387      2:1534      3:586       4:25        5:4876      6:162    
   7:6         8:1662      9:1        10:1        11:172      12:1379   
  13:347      14:2557     15:352      16:279      17:364      18:924    
  20:471      21:4        22:188      23:7382     24:3066     25:2      
  27:2773     29:19       31:3261     32:53       34:83       35:208    
  36:2433     37:4735     38:10310    39:898      40:157      41:4767   
  42:2017     43:2580     44:359      45:19941    46:5091     47:290    
  49:2009     50:1898     51:590      52:1592     54:302      55:941    
  56:9        57:254      58:2311     59:1303     60:1166     61:3099   
  62:3028     63:1845     64:5552     65:2196     66:4731     67:3081   
  68:1142     69:4001     70:1131     71:623      72:2949     74:2815   
  75:1655     76:617      77:2808     78:4235     79:1758     80:2227   
  81:2181     82:2818     83:1445     84:1835     85:4281     86:1038   
  87:2440     88:3426     89:4489     90:782      91:8450     92:2812   
  93:2924     94:3986     95:5468     96:1412     97:327      98:974    
  99:738     100:71      101:1412    102:4227    103:32577   104:4822   
 105:2234    106:1001    107:2602    108:1226    109:4167    110:2271   
 111:3344    112:2045    113:1829    114:1960    115:2210    116:2100   
 117:2761    118:2899    119:2014    120:1911    121:1439    122:2882   
 123:2331    124:1685    125:2899    126:86      128:1609    129:1017   
 130:1320    131:2026    132:895     133:451     134:1533    135:376    
 136:1283    137:1176    138:3237    139:1624    140:1561    141:1483   
 142:1875    143:1753    144:1056    145:484     146:2178    147:2083   
 148:2609    149:2950    150:1249    151:1946    152:2141    153:574    
 154:8125    155:1646    156:3317    157:1934    158:1279    159:2442   
 160:3648    161:1978    162:3707    163:1914    164:1758    165:2219   
 166:1400    167:1915    168:4374    169:819     170:5536    171:1006   
 172:4460    173:3249    174:915     175:1284    176:3784    177:6256   
 178:3954    179:2810    180:2649    181:4189    182:3378    183:2075   
 184:2314    185:21783   186:5768    187:4993    188:4342    189:4645   
 190:9963    191:2107    192:11225   193:9473    194:7862    195:5670   
 196:3603    197:3967    198:6241    199:8420    200:8726    201:6612   
 202:10918   203:10775   204:4555    205:3685    206:4685    207:3591   
 208:4208    209:5263    210:4924    211:2641    212:4609    213:3889   
 214:1066    215:42      216:6700    217:3184    218:1390    219:555    
 220:2108    221:1056    222:849     223:2338   

End of report


More information about the ren-bgp-stats-all mailing list