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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Jul 6 18:44:00 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sun 06 Jul, 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:                             1006541
    Prefixes after maximum aggregation (per Origin AS):          382151
    Deaggregation factor:                                          2.63
    Unique aggregates announced (without unneeded subnets):      485661
    Number of IPv4 prefixes with a valid ROA:                    565626
    Number of IPv4 prefixes with an invalid ROA:                    463
    Number of IPv4 prefixes with no ROA:                         440452
Total ASes present in the Internet Routing Table:                 76966
    Prefixes per ASN:                                             13.08
Origin-only ASes present in the Internet Routing Table:           65911
Origin ASes announcing only one prefix:                           26527
Transit ASes present in the Internet Routing Table:               11055
Transit-only ASes present in the Internet Routing Table:            555
Paths with bogon ASNs present in the IPv4 Routing Table:             43
Average AS path length visible in the Internet Routing Table:       5.1
    Max AS path length visible:                                      79
    Max AS path prepend of ASN ( 37447)                              75
Prefixes from unregistered ASNs in the Routing Table:              1167
    Number of instances of unregistered ASNs:                      1214
Number of 32-bit ASNs allocated by the RIRs:                      46782
Number of 32-bit ASNs visible in the Routing Table:               38512
Prefixes from 32-bit ASNs in the Routing Table:                  211666
Number of bogon 32-bit ASNs visible in the Routing Table:           120
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            453
Number of addresses announced to Internet:                   3106208768
    Equivalent to 185 /8s, 36 /16s and 252 /24s
    Percentage of available address space announced:               83.9
    Percentage of allocated address space announced:               83.9
    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:      331534

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

Prefixes being announced by APNIC Region ASes:                   261997
    Total APNIC prefixes after maximum aggregation:               77362
    APNIC Deaggregation factor:                                    3.39
Prefixes being announced from the APNIC address blocks:          252837
    Unique aggregates announced from the APNIC address blocks:   104646
APNIC Region origin ASes present in the Internet Routing Table:   14656
    APNIC Prefixes per ASN:                                       17.25
APNIC Region origin ASes announcing only one prefix:               4465
APNIC Region transit ASes present in the Internet Routing Table:   1956
Average APNIC Region AS path length visible:                        5.4
    Max APNIC Region AS path length visible:                         79
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10203
Number of APNIC addresses announced to Internet:              749082368
    Equivalent to 44 /8s, 166 /16s and 23 /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:                    293903
    Total ARIN prefixes after maximum aggregation:               131723
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:           295673
    Unique aggregates announced from the ARIN address blocks:    140500
ARIN Region origin ASes present in the Internet Routing Table:    19213
    ARIN Prefixes per ASN:                                        15.39
ARIN Region origin ASes announcing only one prefix:                7029
ARIN Region transit ASes present in the Internet Routing Table:    1976
Average ARIN Region AS path length visible:                         4.8
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5236
Number of ARIN addresses announced to Internet:              1349163264
    Equivalent to 80 /8s, 106 /16s and 153 /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:                    279198
    Total RIPE prefixes after maximum aggregation:               135778
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           277787
    Unique aggregates announced from the RIPE address blocks:    177110
RIPE Region origin ASes present in the Internet Routing Table:    28962
    RIPE Prefixes per ASN:                                         9.59
RIPE Region origin ASes announcing only one prefix:               12020
RIPE Region transit ASes present in the Internet Routing Table:    3982
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12545
Number of RIPE addresses announced to Internet:               731299072
    Equivalent to 43 /8s, 150 /16s and 189 /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:                  132357
    Total LACNIC prefixes after maximum aggregation:              29707
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         128632
    Unique aggregates announced from the LACNIC address blocks:   49047
LACNIC Region origin ASes present in the Internet Routing Table:  11279
    LACNIC Prefixes per ASN:                                      11.40
LACNIC Region origin ASes announcing only one prefix:              2342
LACNIC Region transit ASes present in the Internet Routing Table:  2563
Average LACNIC Region AS path length visible:                       5.7
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9239
Number of LACNIC addresses announced to Internet:             171209728
    Equivalent to 10 /8s, 52 /16s and 116 /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:                  37919
    Total AfriNIC prefixes after maximum aggregation:              6838
    AfriNIC Deaggregation factor:                                  5.55
Prefixes being announced from the AfriNIC address blocks:         51159
    Unique aggregates announced from the AfriNIC address blocks:  13953
AfriNIC Region origin ASes present in the Internet Routing Table:  1924
    AfriNIC Prefixes per ASN:                                     26.59
AfriNIC Region origin ASes announcing only one prefix:              671
AfriNIC Region transit ASes present in the Internet Routing Table:  386
Average AfriNIC Region AS path length visible:                      5.0
    Max AfriNIC Region AS path length visible:                       78
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1289
Number of AfriNIC addresses announced to Internet:            105202176
    Equivalent to 6 /8s, 69 /16s and 66 /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       11561       8759     112  CHINAMOBILE-CN China Mobile Communication
  7545        6143        839     619  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4371        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4357        535     312  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1332      27  VIETEL-AS-AP Viettel Group, VN
  7713        3700       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3287       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2899        862     526  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 56046        2425        811     178  CMNET-JIANGSU-AP China Mobile communicati
  4755        2179        434     192  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       13588      40950    5232  AMAZON-02, US
   174        5302       8767     861  COGENT-174, US
 11492        4781        317     604  CABLEONE, US
  7155        3857        286      85  VIASAT-SP-BACKBONE, US
  6327        3635       1320      82  SHAW, CA
 22773        3337       3032     165  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3226      54767    2477  DNIC-AS-00749, US
396982        3193       3854     430  GOOGLE-CLOUD-PLATFORM, US
 16625        3065       1289    2244  AKAMAI-AS, US
  4155        2840        216    1728  USDA-1, 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        7654       1713     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        4032       3395     126  AKAMAI-ASN1, NL
  9009        3777        351    2103  M247, RO
 12389        3119       2305     883  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2403        361     583  TELLCOM-AS, TR
212238        2361        170    1729  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1576       1852      14  TE-AS TE-AS, EG
  8551        1431        366      39  BEZEQ-INTERNATIONAL-AS Bezeqint Internet 

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       12312       3259     575  UNINET, MX
 10620        3509        481    1020  Telmex Colombia S.A., CO
 13999        2538        538     356  Mega Cable, S.A. de C.V., MX
 11830        1987        369      64  Instituto Costarricense de Electricidad y
 28573        1368       2435     268  Claro NXT Telecomunicacoes Ltda, BR
  3816        1344        787     205  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1195        371      22  Telefonica del Peru S.A.A., PE
 11664        1188        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1065         68     372  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
  6503        1023        373     162  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        1819        660      28  RAYA-AS, EG
 24863        1621        389      17  LINKdotNET-AS, EG
 29571        1607        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1431       1519     280  ETISALAT-MISR, EG
 20011        1296        204     345  INTERNET-SOLUTIONS, ZA
 36903        1248        553      97  MT-MPLS, MA
 37069        1108       1100      18  MOBINIL, EG
 36935        1061        520      44  Vodafone-, EG
 36914         580         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       13588      40950    5232  AMAZON-02, US
  8151       12312       3259     575  UNINET, MX
  9808       11561       8759     112  CHINAMOBILE-CN China Mobile Communication
 12479        7654       1713     148  UNI2-AS, ES
  7545        6143        839     619  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5302       8767     861  COGENT-174, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 11492        4781        317     604  CABLEONE, US
 18403        4371        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4357        535     312  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       12312        11737  UNINET, MX
  9808       11561        11449  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7654         7506  UNI2-AS, ES
  7545        6143         5524  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4798         4735  ALJAWWALSTC-AS, SA
   174        5302         4441  COGENT-174, US
 18403        4371         4346  FPT-AS-AP FPT Telecom Company, VN
 11492        4781         4177  CABLEONE, US
  9498        4357         4045  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4032         3906  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            46887  CROWNCASTLE-AS46887, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     54338  UNALLOCATED  8.33.241.0/24             6461  ZAYO-6461, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
    395195  UNALLOCATED  8.38.115.0/24            33132  CROWNCASTLE-AS33132, 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
23.142.24.0/24       Origin:     62164  HEYMMAN-2, CA
23.142.24.0/24      Transit:     64236  UNREAL-SERVERS, US
23.147.240.0/24      Origin:     32302  RESERVED, ZZ
23.147.240.0/24     Transit:     32787  PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE

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      /12:298     
/13:585     /14:1215    /15:2172    /16:13856   /17:8299    /18:13680   
/19:24719   /20:44630   /21:52630   /22:113375  /23:106811  /24:624108  
/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        6577        7654  UNI2-AS, ES
  8151        6494       12312  UNINET, MX
 11492        3577        4781  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3432        3635  SHAW, CA
  7155        2816        3857  VIASAT-SP-BACKBONE, US
 22773        2491        3337  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2339       13588  AMAZON-02, US
 30036        2263        2604  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2196        3509  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)
----------------------------------------------

   1:2402      2:1538      3:827       4:10        5:4998      6:162    
   7:6         8:1592      9:1        11:172      12:1344     13:450    
  14:2552     15:364      16:285      17:381      18:894      20:562    
  21:4        22:188      23:7726     24:2814     25:2        27:2791   
  29:19       31:3348     32:43       33:1        34:84       35:255    
  36:3269     37:4587     38:10583    39:907      40:232      41:4498   
  42:1892     43:2671     44:379      45:19393    46:5127     47:326    
  49:1853     50:1894     51:593      52:1555     54:321      55:1097   
  56:11       57:281      58:2186     59:1286     60:1173     61:3009   
  62:3015     63:1809     64:5567     65:2190     66:4783     67:3129   
  68:1098     69:4030     70:1054     71:626      72:2947     74:2814   
  75:1524     76:607      77:2871     78:1897     79:1738     80:2216   
  81:2097     82:3184     83:1447     84:1879     85:3463     86:1081   
  87:2401     88:1332     89:4401     90:777      91:8475     92:2755   
  93:2946     94:4053     95:4406     96:1502     97:311      98:959    
  99:692     100:72      101:1410    102:4184    103:32367   104:5231   
 105:1190    106:976     107:2638    108:1269    109:4181    110:2235   
 111:3242    112:2184    113:1859    114:1970    115:2216    116:2103   
 117:2551    118:2908    119:1911    120:2103    121:1325    122:2815   
 123:2573    124:1634    125:2882    126:91      128:1607    129:984    
 130:1317    131:2122    132:774     133:451     134:1576    135:395    
 136:1391    137:1136    138:2983    139:1582    140:1632    141:1506   
 142:1922    143:1990    144:1157    145:561     146:2183    147:2104   
 148:2718    149:2990    150:1271    151:2190    152:2102    153:590    
 154:8029    155:1791    156:3193    157:1929    158:1343    159:2504   
 160:3675    161:1903    162:3880    163:2240    164:1892    165:2078   
 166:1508    167:2033    168:4146    169:788     170:5372    171:1005   
 172:4449    173:3386    174:919     175:1316    176:3767    177:5375   
 178:3991    179:2474    180:2630    181:4254    182:3488    183:2188   
 184:2127    185:21831   186:5547    187:4902    188:4286    189:4547   
 190:9856    191:1593    192:11313   193:9524    194:7845    195:5648   
 196:3671    197:3804    198:6110    199:8572    200:8532    201:6508   
 202:10443   203:10717   204:4581    205:3631    206:4487    207:3522   
 208:4278    209:5158    210:4650    211:2552    212:4616    213:3837   
 214:1014    215:46      216:6820    217:3271    218:1377    219:402    
 220:2137    221:1153    222:709     223:2577   

End of report


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