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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Jun 12 18:46:38 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 12 Jun, 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:                             1004560
    Prefixes after maximum aggregation (per Origin AS):          380354
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      482666
    Number of IPv4 prefixes with a valid ROA:                    561911
    Number of IPv4 prefixes with an invalid ROA:                    505
    Number of IPv4 prefixes with no ROA:                         442144
Total ASes present in the Internet Routing Table:                 76942
    Prefixes per ASN:                                             13.06
Origin-only ASes present in the Internet Routing Table:           65988
Origin ASes announcing only one prefix:                           26518
Transit ASes present in the Internet Routing Table:               10954
Transit-only ASes present in the Internet Routing Table:            557
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       5.0
    Max AS path length visible:                                      78
    Max AS path prepend of ASN ( 37447)                              75
Prefixes from unregistered ASNs in the Routing Table:              1169
    Number of instances of unregistered ASNs:                      1202
Number of 32-bit ASNs allocated by the RIRs:                      46631
Number of 32-bit ASNs visible in the Routing Table:               38393
Prefixes from 32-bit ASNs in the Routing Table:                  210207
Number of bogon 32-bit ASNs visible in the Routing Table:            94
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            448
Number of addresses announced to Internet:                   3110451968
    Equivalent to 185 /8s, 101 /16s and 187 /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:      331818

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

Prefixes being announced by APNIC Region ASes:                   260132
    Total APNIC prefixes after maximum aggregation:               77107
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          251504
    Unique aggregates announced from the APNIC address blocks:   104454
APNIC Region origin ASes present in the Internet Routing Table:   14601
    APNIC Prefixes per ASN:                                       17.23
APNIC Region origin ASes announcing only one prefix:               4440
APNIC Region transit ASes present in the Internet Routing Table:   1937
Average APNIC Region AS path length visible:                        5.4
    Max APNIC Region AS path length visible:                         39
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10140
Number of APNIC addresses announced to Internet:              748926208
    Equivalent to 44 /8s, 163 /16s and 181 /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:                    293651
    Total ARIN prefixes after maximum aggregation:               131212
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           295855
    Unique aggregates announced from the ARIN address blocks:    139508
ARIN Region origin ASes present in the Internet Routing Table:    19215
    ARIN Prefixes per ASN:                                        15.40
ARIN Region origin ASes announcing only one prefix:                7028
ARIN Region transit ASes present in the Internet Routing Table:    1957
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5227
Number of ARIN addresses announced to Internet:              1353177600
    Equivalent to 80 /8s, 167 /16s and 218 /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:                    278502
    Total RIPE prefixes after maximum aggregation:               134859
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           276726
    Unique aggregates announced from the RIPE address blocks:    175806
RIPE Region origin ASes present in the Internet Routing Table:    28987
    RIPE Prefixes per ASN:                                         9.55
RIPE Region origin ASes announcing only one prefix:               12054
RIPE Region transit ASes present in the Internet Routing Table:    3988
Average RIPE Region AS path length visible:                         4.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12517
Number of RIPE addresses announced to Internet:               731311104
    Equivalent to 43 /8s, 150 /16s and 236 /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:                  133093
    Total LACNIC prefixes after maximum aggregation:              29598
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         129243
    Unique aggregates announced from the LACNIC address blocks:   48934
LACNIC Region origin ASes present in the Internet Routing Table:  11265
    LACNIC Prefixes per ASN:                                      11.47
LACNIC Region origin ASes announcing only one prefix:              2332
LACNIC Region transit ASes present in the Internet Routing Table:  2514
Average LACNIC Region AS path length visible:                       5.6
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9216
Number of LACNIC addresses announced to Internet:             171832320
    Equivalent to 10 /8s, 61 /16s and 244 /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:                  38013
    Total AfriNIC prefixes after maximum aggregation:              6814
    AfriNIC Deaggregation factor:                                  5.58
Prefixes being announced from the AfriNIC address blocks:         50784
    Unique aggregates announced from the AfriNIC address blocks:  13565
AfriNIC Region origin ASes present in the Internet Routing Table:  1928
    AfriNIC Prefixes per ASN:                                     26.34
AfriNIC Region origin ASes announcing only one prefix:              664
AfriNIC Region transit ASes present in the Internet Routing Table:  378
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       78
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1293
Number of AfriNIC addresses announced to Internet:            104995328
    Equivalent to 6 /8s, 66 /16s and 26 /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       11076       8755      96  CHINAMOBILE-CN China Mobile Communication
  7545        6169        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4467        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4308        534     305  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3922       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3698       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3277       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2881        854     529  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4755        2175        434     192  TATACOMM-AS TATA Communications formerly 
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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       13702      40941    5244  AMAZON-02, US
   174        5374       8745     883  COGENT-174, US
 11492        4762        316     595  CABLEONE, US
  7155        3863        286      85  VIASAT-SP-BACKBONE, US
  6327        3629       1320      81  SHAW, CA
 22773        3346       3033     169  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3229      54783    2480  DNIC-AS-00749, US
396982        3187       3854     428  GOOGLE-CLOUD-PLATFORM, US
 16625        3104       1297    2258  AKAMAI-AS, US
 36352        2816        230     857  AS-COLOCROSSING, 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        7702       1714     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        4029       3395     126  AKAMAI-ASN1, NL
  9009        3901        358    2079  M247, RO
 12389        3106       2305     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2403        361     579  TELLCOM-AS, TR
212238        2265        165    1653  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1562       1852      14  TE-AS TE-AS, EG
 62240        1422         94     739  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       12228       3256     581  UNINET, MX
 10620        3499        480    1017  Telmex Colombia S.A., CO
 13999        2490        541     360  Mega Cable, S.A. de C.V., MX
 11830        1990        369      64  Instituto Costarricense de Electricidad y
 28573        1371       2436     266  Claro NXT Telecomunicacoes Ltda, BR
  3816        1340        787     207  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1204        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1200        371      22  Telefonica del Peru S.A.A., PE
 28202        1107         52       9  MASTER SA, BR
 22884        1064         68     376  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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        1820        644      27  RAYA-AS, EG
 24863        1634        389      17  LINKdotNET-AS, EG
 29571        1607        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1431       1519     280  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1249        554      96  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1066        523      47  Vodafone-, EG
 36914         574         82       3  KENET-AS, KE
  3741         563        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       13702      40941    5244  AMAZON-02, US
  8151       12228       3256     581  UNINET, MX
  9808       11076       8755      96  CHINAMOBILE-CN China Mobile Communication
 12479        7702       1714     148  UNI2-AS, ES
  7545        6169        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5374       8745     883  COGENT-174, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 11492        4762        316     595  CABLEONE, US
 18403        4467        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4308        534     305  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       12228        11647  UNINET, MX
  9808       11076        10980  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7702         7554  UNI2-AS, ES
  7545        6169         5523  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4798         4735  ALJAWWALSTC-AS, SA
   174        5374         4491  COGENT-174, US
 18403        4467         4442  FPT-AS-AP FPT Telecom Company, VN
 11492        4762         4167  CABLEONE, US
  9498        4308         4003  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4029         3903  AKAMAI-ASN1, NL

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
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
    398728  UNALLOCATED  8.10.134.0/24              174  COGENT-174, 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
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
    394804  UNALLOCATED  8.33.225.0/24             3356  LEVEL3, 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
23.140.216.0/24      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
23.147.240.0/24      Origin:     32302  RESERVED, ZZ
23.147.240.0/24     Transit:     32787  PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
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/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       /9:14      /10:41      /11:92      /12:300     
/13:584     /14:1225    /15:2184    /16:13964   /17:8318    /18:13864   
/19:24745   /20:44599   /21:52627   /22:113442  /23:106813  /24:621732  
/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        6620        7702  UNI2-AS, ES
  8151        6419       12228  UNINET, MX
 11492        3559        4762  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3426        3629  SHAW, CA
  7155        2822        3863  VIASAT-SP-BACKBONE, US
 22773        2495        3346  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2378       13702  AMAZON-02, US
 30036        2243        2584  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2186        3499  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)
----------------------------------------------

   1:2385      2:1508      3:816       4:10        5:4990      6:162    
   7:6         8:1593      9:1        11:172      12:1350     13:454    
  14:2521     15:358      16:285      17:376      18:923      20:552    
  21:4        22:188      23:7629     24:2959     25:2        27:2778   
  29:19       31:3330     32:44       33:1        34:84       35:253    
  36:3081     37:4615     38:10557    39:907      40:174      41:4418   
  42:1994     43:2619     44:383      45:19335    46:5142     47:318    
  49:1980     50:1894     51:592      52:1570     54:328      55:1086   
  56:11       57:278      58:2218     59:1274     60:1171     61:3017   
  62:3032     63:1812     64:5510     65:2195     66:4738     67:3107   
  68:1135     69:4021     70:1077     71:633      72:2942     74:2823   
  75:1526     76:616      77:2822     78:1890     79:1720     80:2239   
  81:2089     82:3158     83:1450     84:1877     85:3453     86:1077   
  87:2400     88:1319     89:4411     90:771      91:8477     92:2734   
  93:2917     94:4044     95:4366     96:1474     97:311      98:979    
  99:698     100:73      101:1415    102:4262    103:32350   104:5144   
 105:1192    106:1033    107:2665    108:1249    109:4131    110:2227   
 111:3281    112:2130    113:1825    114:2002    115:2154    116:2103   
 117:2522    118:2818    119:1918    120:2004    121:1380    122:2799   
 123:2484    124:1605    125:2865    126:91      128:1613    129:981    
 130:1323    131:2089    132:780     133:449     134:1563    135:392    
 136:1360    137:1129    138:2997    139:1592    140:1604    141:1508   
 142:1924    143:1870    144:1122    145:548     146:2189    147:2110   
 148:2718    149:2950    150:1261    151:1964    152:2115    153:578    
 154:7756    155:1763    156:3021    157:1915    158:1327    159:2489   
 160:3678    161:1899    162:3856    163:2218    164:1891    165:2006   
 166:1494    167:1990    168:4190    169:804     170:5341    171:1019   
 172:4468    173:3353    174:919     175:1302    176:3760    177:5436   
 178:3799    179:2493    180:2668    181:4250    182:3440    183:2144   
 184:2127    185:21781   186:5550    187:4848    188:4275    189:4483   
 190:9889    191:1914    192:11322   193:9517    194:7887    195:5629   
 196:3647    197:3801    198:6131    199:8546    200:8555    201:6495   
 202:10365   203:10727   204:4565    205:3624    206:4491    207:3507   
 208:4269    209:5172    210:4640    211:2532    212:4614    213:3793   
 214:1027    215:48      216:6816    217:3233    218:1371    219:400    
 220:2085    221:1139    222:719     223:2500   

End of report


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