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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Jun 14 18:46:53 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sat 14 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:                             1004783
    Prefixes after maximum aggregation (per Origin AS):          380458
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      482622
    Number of IPv4 prefixes with a valid ROA:                    562076
    Number of IPv4 prefixes with an invalid ROA:                    510
    Number of IPv4 prefixes with no ROA:                         442197
Total ASes present in the Internet Routing Table:                 76927
    Prefixes per ASN:                                             13.06
Origin-only ASes present in the Internet Routing Table:           65983
Origin ASes announcing only one prefix:                           26502
Transit ASes present in the Internet Routing Table:               10944
Transit-only ASes present in the Internet Routing Table:            558
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:              1182
    Number of instances of unregistered ASNs:                      1211
Number of 32-bit ASNs allocated by the RIRs:                      46645
Number of 32-bit ASNs visible in the Routing Table:               38391
Prefixes from 32-bit ASNs in the Routing Table:                  210510
Number of bogon 32-bit ASNs visible in the Routing Table:            86
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            444
Number of addresses announced to Internet:                   3110023936
    Equivalent to 185 /8s, 95 /16s and 51 /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:      332019

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

Prefixes being announced by APNIC Region ASes:                   260218
    Total APNIC prefixes after maximum aggregation:               77130
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          251573
    Unique aggregates announced from the APNIC address blocks:   104384
APNIC Region origin ASes present in the Internet Routing Table:   14596
    APNIC Prefixes per ASN:                                       17.24
APNIC Region origin ASes announcing only one prefix:               4441
APNIC Region transit ASes present in the Internet Routing Table:   1942
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:  10139
Number of APNIC addresses announced to Internet:              748933632
    Equivalent to 44 /8s, 163 /16s and 210 /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:                    293644
    Total ARIN prefixes after maximum aggregation:               131281
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           295847
    Unique aggregates announced from the ARIN address blocks:    139471
ARIN Region origin ASes present in the Internet Routing Table:    19211
    ARIN Prefixes per ASN:                                        15.40
ARIN Region origin ASes announcing only one prefix:                7020
ARIN Region transit ASes present in the Internet Routing Table:    1954
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:    5222
Number of ARIN addresses announced to Internet:              1352695040
    Equivalent to 80 /8s, 160 /16s and 125 /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:                    278437
    Total RIPE prefixes after maximum aggregation:               134851
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           276752
    Unique aggregates announced from the RIPE address blocks:    175884
RIPE Region origin ASes present in the Internet Routing Table:    28982
    RIPE Prefixes per ASN:                                         9.55
RIPE Region origin ASes announcing only one prefix:               12052
RIPE Region transit ASes present in the Internet Routing Table:    3980
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:   12518
Number of RIPE addresses announced to Internet:               731334912
    Equivalent to 43 /8s, 151 /16s and 73 /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:                  133342
    Total LACNIC prefixes after maximum aggregation:              29619
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         129525
    Unique aggregates announced from the LACNIC address blocks:   48926
LACNIC Region origin ASes present in the Internet Routing Table:  11264
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              2321
LACNIC Region transit ASes present in the Internet Routing Table:  2509
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:  9220
Number of LACNIC addresses announced to Internet:             171833600
    Equivalent to 10 /8s, 61 /16s and 249 /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:                  37960
    Total AfriNIC prefixes after maximum aggregation:              6814
    AfriNIC Deaggregation factor:                                  5.57
Prefixes being announced from the AfriNIC address blocks:         50642
    Unique aggregates announced from the AfriNIC address blocks:  13562
AfriNIC Region origin ASes present in the Internet Routing Table:  1929
    AfriNIC Prefixes per ASN:                                     26.25
AfriNIC Region origin ASes announcing only one prefix:              668
AfriNIC Region transit ASes present in the Internet Routing Table:  382
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: 1292
Number of AfriNIC addresses announced to Internet:            105020672
    Equivalent to 6 /8s, 66 /16s and 125 /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        846     646  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4426        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4311        534     304  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3698       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3278       1869     102  VNPT-AS-VN VNPT Corp, VN
 24560        2886        856     531  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       13688      40939    5243  AMAZON-02, US
   174        5382       8745     880  COGENT-174, US
 11492        4762        316     595  CABLEONE, US
  7155        3862        286      85  VIASAT-SP-BACKBONE, US
  6327        3633       1320      81  SHAW, CA
 22773        3347       3032     169  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3230      54783    2481  DNIC-AS-00749, US
396982        3187       3854     427  GOOGLE-CLOUD-PLATFORM, US
 16625        3097       1295    2252  AKAMAI-AS, US
 36352        2816        230     856  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        7696       1713     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        4031       3395     126  AKAMAI-ASN1, NL
  9009        3901        358    2079  M247, RO
 12389        3106       2305     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2402        361     579  TELLCOM-AS, TR
212238        2241        164    1631  CDNEXT, GB
  8452        1614       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 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       12223       3254     578  UNINET, MX
 10620        3502        481    1019  Telmex Colombia S.A., CO
 13999        2491        541     357  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        1199        371      22  Telefonica del Peru S.A.A., PE
 28202        1100         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
  3741         563        661     320  IS, ZA
 36914         556         82       3  KENET-AS, KE

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       13688      40939    5243  AMAZON-02, US
  8151       12223       3254     578  UNINET, MX
  9808       11076       8755      96  CHINAMOBILE-CN China Mobile Communication
 12479        7696       1713     148  UNI2-AS, ES
  7545        6169        846     646  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5382       8745     880  COGENT-174, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 11492        4762        316     595  CABLEONE, US
 18403        4426        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4311        534     304  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       12223        11645  UNINET, MX
  9808       11076        10980  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7696         7548  UNI2-AS, ES
  7545        6169         5523  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4798         4735  ALJAWWALSTC-AS, SA
   174        5382         4502  COGENT-174, US
 18403        4426         4401  FPT-AS-AP FPT Telecom Company, VN
 11492        4762         4167  CABLEONE, US
  9498        4311         4007  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4031         3905  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
     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
     46639  UNALLOCATED  8.38.73.0/24              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    /15:2181    /16:13960   /17:8322    /18:13860   
/19:24765   /20:44602   /21:52575   /22:113514  /23:106886  /24:621846  
/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        6616        7696  UNI2-AS, ES
  8151        6420       12223  UNINET, MX
 11492        3559        4762  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3430        3633  SHAW, CA
  7155        2821        3862  VIASAT-SP-BACKBONE, US
 22773        2497        3347  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2371       13688  AMAZON-02, US
 30036        2247        2588  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2189        3502  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)
----------------------------------------------

   1:2381      2:1510      3:821       4:10        5:5049      6:162    
   7:6         8:1592      9:1        11:172      12:1346     13:454    
  14:2523     15:360      16:285      17:376      18:921      20:552    
  21:4        22:188      23:7637     24:2979     25:2        27:2777   
  29:19       31:3337     32:44       33:1        34:84       35:253    
  36:3085     37:4598     38:10564    39:907      40:166      41:4405   
  42:1972     43:2634     44:386      45:19351    46:5138     47:317    
  49:1968     50:1893     51:592      52:1570     54:328      55:1090   
  56:11       57:277      58:2218     59:1273     60:1171     61:3018   
  62:3035     63:1812     64:5507     65:2192     66:4729     67:3107   
  68:1135     69:4023     70:1074     71:632      72:2943     74:2820   
  75:1521     76:616      77:2810     78:1887     79:1722     80:2234   
  81:2076     82:3160     83:1451     84:1878     85:3456     86:1081   
  87:2401     88:1315     89:4425     90:771      91:8481     92:2734   
  93:2923     94:4022     95:4365     96:1480     97:311      98:981    
  99:696     100:73      101:1415    102:4257    103:32411   104:5144   
 105:1192    106:1034    107:2668    108:1253    109:4137    110:2227   
 111:3279    112:2126    113:1826    114:1998    115:2156    116:2105   
 117:2529    118:2813    119:1919    120:2003    121:1377    122:2801   
 123:2491    124:1606    125:2867    126:91      128:1613    129:983    
 130:1323    131:2101    132:780     133:449     134:1535    135:392    
 136:1357    137:1130    138:3012    139:1586    140:1606    141:1516   
 142:1925    143:1861    144:1162    145:549     146:2191    147:2104   
 148:2709    149:2952    150:1264    151:1971    152:2110    153:577    
 154:7624    155:1762    156:3016    157:1917    158:1330    159:2487   
 160:3686    161:1904    162:3867    163:2223    164:1888    165:2008   
 166:1491    167:1988    168:4202    169:805     170:5345    171:1020   
 172:4480    173:3351    174:919     175:1302    176:3765    177:5522   
 178:3803    179:2507    180:2669    181:4250    182:3442    183:2141   
 184:2127    185:21776   186:5578    187:4858    188:4282    189:4485   
 190:9889    191:1919    192:11313   193:9521    194:7887    195:5632   
 196:3649    197:3787    198:6133    199:8545    200:8553    201:6495   
 202:10366   203:10645   204:4560    205:3624    206:4490    207:3506   
 208:4277    209:5171    210:4640    211:2532    212:4615    213:3795   
 214:1028    215:48      216:6806    217:3238    218:1371    219:399    
 220:2082    221:1142    222:720     223:2508   

End of report


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