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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Mar 12 18:45:28 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Wed 12 Mar, 2025

  IPv4 BGP Table (Global) as seen at RENU.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/RENU/

Analysis Summary
----------------

BGP routing table entries examined:                              995769
    Prefixes after maximum aggregation (per Origin AS):          374100
    Deaggregation factor:                                          2.66
    Unique aggregates announced (without unneeded subnets):      476012
    Number of IPv4 prefixes with a valid ROA:                    546883
    Number of IPv4 prefixes with an invalid ROA:                   1692
    Number of IPv4 prefixes with no ROA:                         447194
Total ASes present in the Internet Routing Table:                 76681
    Prefixes per ASN:                                             12.99
Origin-only ASes present in the Internet Routing Table:           65803
Origin ASes announcing only one prefix:                           26505
Transit ASes present in the Internet Routing Table:               10878
Transit-only ASes present in the Internet Routing Table:            537
Paths with bogon ASNs present in the IPv4 Routing Table:            103
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1041
    Number of instances of unregistered ASNs:                      1045
Number of 32-bit ASNs allocated by the RIRs:                      46160
Number of 32-bit ASNs visible in the Routing Table:               37960
Prefixes from 32-bit ASNs in the Routing Table:                  205854
Number of bogon 32-bit ASNs visible in the Routing Table:            38
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            497
Number of addresses announced to Internet:                   3111339008
    Equivalent to 185 /8s, 115 /16s and 68 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      328896

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

Prefixes being announced by APNIC Region ASes:                   257841
    Total APNIC prefixes after maximum aggregation:               76080
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          249707
    Unique aggregates announced from the APNIC address blocks:   102744
APNIC Region origin ASes present in the Internet Routing Table:   14516
    APNIC Prefixes per ASN:                                       17.20
APNIC Region origin ASes announcing only one prefix:               4417
APNIC Region transit ASes present in the Internet Routing Table:   1937
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         38
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10035
Number of APNIC addresses announced to Internet:              749625856
    Equivalent to 44 /8s, 174 /16s and 98 /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:                    291276
    Total ARIN prefixes after maximum aggregation:               128437
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           292683
    Unique aggregates announced from the ARIN address blocks:    136383
ARIN Region origin ASes present in the Internet Routing Table:    19205
    ARIN Prefixes per ASN:                                        15.24
ARIN Region origin ASes announcing only one prefix:                7018
ARIN Region transit ASes present in the Internet Routing Table:    1955
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          31
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5162
Number of ARIN addresses announced to Internet:              1351277312
    Equivalent to 80 /8s, 138 /16s and 219 /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:                    275830
    Total RIPE prefixes after maximum aggregation:               132677
    RIPE Deaggregation factor:                                     2.08
Prefixes being announced from the RIPE address blocks:           273273
    Unique aggregates announced from the RIPE address blocks:    173092
RIPE Region origin ASes present in the Internet Routing Table:    28913
    RIPE Prefixes per ASN:                                         9.45
RIPE Region origin ASes announcing only one prefix:               12059
RIPE Region transit ASes present in the Internet Routing Table:    3954
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          27
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12326
Number of RIPE addresses announced to Internet:               732200960
    Equivalent to 43 /8s, 164 /16s and 128 /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:                  132265
    Total LACNIC prefixes after maximum aggregation:              29300
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128916
    Unique aggregates announced from the LACNIC address blocks:   48838
LACNIC Region origin ASes present in the Internet Routing Table:  11214
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              2350
LACNIC Region transit ASes present in the Internet Routing Table:  2473
Average LACNIC Region AS path length visible:                       5.5
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9156
Number of LACNIC addresses announced to Internet:             172799488
    Equivalent to 10 /8s, 76 /16s and 182 /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:                  37516
    Total AfriNIC prefixes after maximum aggregation:              6945
    AfriNIC Deaggregation factor:                                  5.40
Prefixes being announced from the AfriNIC address blocks:         50693
    Unique aggregates announced from the AfriNIC address blocks:  14519
AfriNIC Region origin ASes present in the Internet Routing Table:  1916
    AfriNIC Prefixes per ASN:                                     26.46
AfriNIC Region origin ASes announcing only one prefix:              661
AfriNIC Region transit ASes present in the Internet Routing Table:  381
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       39
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1281
Number of AfriNIC addresses announced to Internet:            105190144
    Equivalent to 6 /8s, 69 /16s and 19 /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       10325       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6207        843     654  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4392        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        3692       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3273       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2842        848     539  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2207       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2169        434     194  TATACOMM-AS TATA Communications formerly 

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12919      39642    3951  AMAZON-02, US
   174        5532       8768     958  COGENT-174, US
 11492        4673        310     589  CABLEONE, US
  7155        4175        286      83  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3380       3033     181  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3259      54879    2506  DNIC-AS-00749, US
 16625        3046       1289    2224  AKAMAI-AS, US
396982        2943       3660     456  GOOGLE-CLOUD-PLATFORM, US
 30036        2546        350     418  MEDIACOM-ENTERPRISE-BUSINESS, US

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7756       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        3983       3395     128  AKAMAI-ASN1, NL
  9009        3774        323    1943  M247, RO
 12389        2980       2303     890  ROSTELECOM-AS, RU
 34984        2369        361     582  TELLCOM-AS, TR
212238        2033        145    1499  CDNEXT, GB
  8452        1606       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1486         98     745  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11853       3239     588  UNINET, MX
 10620        3523        487     970  Telmex Colombia S.A., CO
 13999        2503        538     370  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1353       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        781     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1195        371      22  Telefonica del Peru S.A.A., PE
 11664        1156        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1132         52       9  Rede Brasileira de Comunicacao SA, BR
  6503        1106        359     174  Axtel, S.A.B. de C.V., MX

Complete listing at https://bgp.nsrc.org/REN/RENU/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
 24863        1619        389      16  LINKdotNET-AS, EG
 29571        1583        100     105  ORANGE-COTE-IVOIRE, CI
 36992        1426       1518     286  ETISALAT-MISR, EG
 20011        1293        202     343  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 36935        1022        523      45  Vodafone-, EG
 37069         855       1083      15  MOBINIL, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         560        661     320  IS, ZA

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12919      39642    3951  AMAZON-02, US
  8151       11853       3239     588  UNINET, MX
  9808       10325       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7756       1714     145  UNI2-AS, ES
  7545        6207        843     654  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5532       8768     958  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4673        310     589  CABLEONE, US
 18403        4392        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4254        530     277  BBIL-AP BHARTI Airtel Ltd., IN

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

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  8151       11853        11265  UNINET, MX
  9808       10325        10237  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7756         7611  UNI2-AS, ES
  7545        6207         5553  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5532         4574  COGENT-174, US
 18403        4392         4367  FPT-AS-AP FPT Telecom Company, VN
  7155        4175         4092  VIASAT-SP-BACKBONE, US
 11492        4673         4084  CABLEONE, US
  9498        4254         3977  BBIL-AP BHARTI Airtel Ltd., IN

Complete listing at https://bgp.nsrc.org/REN/RENU/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/RENU/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

Complete listing at https://bgp.nsrc.org/REN/RENU/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
23.135.220.0/24      Origin:    215364  INFINITRON-INTERNET Infinitron Internet,
23.135.220.0/24     Transit:    207841  INFERNO, GB
23.138.40.0/22       Origin:       964  IONSWITCH-NW, US
23.138.40.0/22      Transit:     20055  AS-WHOLESAIL, US
23.138.41.0/24       Origin:       964  IONSWITCH-NW, US
23.138.41.0/24      Transit:     20055  AS-WHOLESAIL, US
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US

Complete listing at https://bgp.nsrc.org/REN/RENU/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:16      /10:42      /11:92      /12:304     
/13:586     /14:1229    /15:2186    /16:14049   /17:8362    /18:13911   
/19:24781   /20:44367   /21:52537   /22:113232  /23:105315  /24:614744  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6694        7756  UNI2-AS, ES
  8151        6019       11853  UNINET, MX
 11492        3527        4673  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        3121        4175  VIASAT-SP-BACKBONE, US
 22773        2517        3380  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2334       12919  AMAZON-02, US
 30036        2207        2546  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2184        3523  Telmex Colombia S.A., CO

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

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

   1:2359      2:1522      3:588       4:10        5:4857      6:162    
   7:6         8:1553      9:1        11:172      12:1376     13:347    
  14:2519     15:349      16:279      17:362      18:922      20:469    
  21:4        22:188      23:7345     24:3062     25:2        27:2742   
  29:19       31:3228     32:43       34:83       35:203      36:2412   
  37:4598     38:10257    39:896      40:158      41:4490     42:2004   
  43:2576     44:357      45:19180    46:5053     47:288      49:2000   
  50:1894     51:591      52:1556     54:302      55:1071     56:9      
  57:256      58:2224     59:1235     60:1165     61:3011     62:3000   
  63:1834     64:5522     65:2179     66:4691     67:3047     68:1120   
  69:3972     70:1112     71:620      72:2936     74:2805     75:1659   
  76:614      77:2806     78:1866     79:1739     80:2224     81:2036   
  82:2709     83:1412     84:1819     85:3381     86:1033     87:2421   
  88:1303     89:4332     90:785      91:8406     92:2801     93:2911   
  94:3923     95:4275     96:1411     97:317      98:987      99:738    
 100:71      101:1392    102:4100    103:32457   104:4802    105:1231   
 106:998     107:2586    108:1214    109:4160    110:2229    111:3329   
 112:2041    113:1813    114:1950    115:2206    116:2078    117:2758   
 118:2804    119:1965    120:1881    121:1367    122:2764    123:2323   
 124:1585    125:2891    126:86      128:1588    129:1043    130:1303   
 131:1930    132:779     133:451     134:1528    135:374     136:1283   
 137:1122    138:3056    139:1620    140:1561    141:1486    142:1851   
 143:1665    144:1059    145:483     146:2156    147:2076    148:2607   
 149:2943    150:1251    151:1949    152:2131    153:574     154:8039   
 155:1644    156:3292    157:1918    158:1272    159:2428    160:3619   
 161:1969    162:3693    163:1912    164:1734    165:2207    166:1397   
 167:1906    168:4232    169:799     170:5306    171:998     172:4453   
 173:3254    174:909     175:1282    176:3703    177:5497    178:3847   
 179:2462    180:2610    181:4165    182:3370    183:2055    184:2309   
 185:21692   186:5439    187:4767    188:4233    189:4397    190:9814   
 191:1945    192:11187   193:9448    194:7828    195:5638    196:3567   
 197:3798    198:6138    199:8399    200:8504    201:6449    202:10510  
 203:10704   204:4506    205:3632    206:4613    207:3461    208:4193   
 209:5187    210:4637    211:2530    212:4542    213:3808    214:1061   
 215:42      216:6638    217:3176    218:1347    219:387     220:2102   
 221:1056    222:716     223:2321   

End of report


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