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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Jul 7 18:43:59 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Mon 07 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:                             1001732
    Prefixes after maximum aggregation (per Origin AS):          382159
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      485405
    Number of IPv4 prefixes with a valid ROA:                    565117
    Number of IPv4 prefixes with an invalid ROA:                    460
    Number of IPv4 prefixes with no ROA:                         436155
Total ASes present in the Internet Routing Table:                 76971
    Prefixes per ASN:                                             13.01
Origin-only ASes present in the Internet Routing Table:           65916
Origin ASes announcing only one prefix:                           26552
Transit ASes present in the Internet Routing Table:               11055
Transit-only ASes present in the Internet Routing Table:            557
Paths with bogon ASNs present in the IPv4 Routing Table:             42
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:              1133
    Number of instances of unregistered ASNs:                      1180
Number of 32-bit ASNs allocated by the RIRs:                      46782
Number of 32-bit ASNs visible in the Routing Table:               38510
Prefixes from 32-bit ASNs in the Routing Table:                  211576
Number of bogon 32-bit ASNs visible in the Routing Table:           119
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            418
Number of addresses announced to Internet:                   3103404288
    Equivalent to 184 /8s, 250 /16s and 49 /24s
    Percentage of available address space announced:               83.8
    Percentage of allocated address space announced:               83.8
    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:      330331

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

Prefixes being announced by APNIC Region ASes:                   262177
    Total APNIC prefixes after maximum aggregation:               77467
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          252981
    Unique aggregates announced from the APNIC address blocks:   104683
APNIC Region origin ASes present in the Internet Routing Table:   14648
    APNIC Prefixes per ASN:                                       17.27
APNIC Region origin ASes announcing only one prefix:               4453
APNIC Region transit ASes present in the Internet Routing Table:   1957
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:  10199
Number of APNIC addresses announced to Internet:              749118464
    Equivalent to 44 /8s, 166 /16s and 164 /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:                    293925
    Total ARIN prefixes after maximum aggregation:               131743
    ARIN Deaggregation factor:                                     2.23
Prefixes being announced from the ARIN address blocks:           295663
    Unique aggregates announced from the ARIN address blocks:    140488
ARIN Region origin ASes present in the Internet Routing Table:    19223
    ARIN Prefixes per ASN:                                        15.38
ARIN Region origin ASes announcing only one prefix:                7043
ARIN Region transit ASes present in the Internet Routing Table:    1978
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:    5240
Number of ARIN addresses announced to Internet:              1349150720
    Equivalent to 80 /8s, 106 /16s and 104 /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:                    278800
    Total RIPE prefixes after maximum aggregation:               135588
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           277519
    Unique aggregates announced from the RIPE address blocks:    176799
RIPE Region origin ASes present in the Internet Routing Table:    28971
    RIPE Prefixes per ASN:                                         9.58
RIPE Region origin ASes announcing only one prefix:               12031
RIPE Region transit ASes present in the Internet Routing Table:    3983
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:   12548
Number of RIPE addresses announced to Internet:               731187456
    Equivalent to 43 /8s, 149 /16s and 9 /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:                  132078
    Total LACNIC prefixes after maximum aggregation:              29684
    LACNIC Deaggregation factor:                                   4.45
Prefixes being announced from the LACNIC address blocks:         128366
    Unique aggregates announced from the LACNIC address blocks:   49013
LACNIC Region origin ASes present in the Internet Routing Table:  11273
    LACNIC Prefixes per ASN:                                      11.39
LACNIC Region origin ASes announcing only one prefix:              2347
LACNIC Region transit ASes present in the Internet Routing Table:  2557
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:  9232
Number of LACNIC addresses announced to Internet:             171098112
    Equivalent to 10 /8s, 50 /16s and 192 /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:                  33619
    Total AfriNIC prefixes after maximum aggregation:              6946
    AfriNIC Deaggregation factor:                                  4.84
Prefixes being announced from the AfriNIC address blocks:         46785
    Unique aggregates announced from the AfriNIC address blocks:  14052
AfriNIC Region origin ASes present in the Internet Routing Table:  1925
    AfriNIC Prefixes per ASN:                                     24.30
AfriNIC Region origin ASes announcing only one prefix:              678
AfriNIC Region transit ASes present in the Internet Routing Table:  387
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: 1291
Number of AfriNIC addresses announced to Internet:            102606336
    Equivalent to 6 /8s, 29 /16s and 166 /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        6141        839     618  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4373        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4358        535     312  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3921       1332      27  VIETEL-AS-AP Viettel Group, VN
  7713        3704       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3289       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        2182        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       13573      40947    5229  AMAZON-02, US
   174        5299       8767     858  COGENT-174, US
 11492        4781        317     604  CABLEONE, US
  7155        3857        286      85  VIASAT-SP-BACKBONE, US
  6327        3635       1320      82  SHAW, CA
 22773        3338       3034     166  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3226      54767    2477  DNIC-AS-00749, US
396982        3193       3854     430  GOOGLE-CLOUD-PLATFORM, US
 16625        3061       1285    2242  AKAMAI-AS, US
  4155        2843        216    1734  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        7670       1713     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        4032       3395     126  AKAMAI-ASN1, NL
  9009        3780        358    2099  M247, RO
 12389        3119       2305     883  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2402        361     582  TELLCOM-AS, TR
212238        2355        169    1723  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1510       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       12316       3259     574  UNINET, MX
 10620        3509        481    1020  Telmex Colombia S.A., CO
 13999        2540        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        1187        278      33  Techtel LMDS Comunicaciones Interactivas 
 22884        1064         68     373  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
 29571        1607        102      33  ORANGE-COTE-IVOIRE, CI
 20011        1296        204     345  INTERNET-SOLUTIONS, ZA
 36903        1248        553      97  MT-MPLS, MA
 36935         689        520      30  Vodafone-, EG
 24835         647        633      33  RAYA-AS, EG
 37069         592        862      23  MOBINIL, EG
 36914         581         82       3  KENET-AS, KE
  3741         563        661     320  IS, ZA
 36992         560       1365     203  ETISALAT-MISR, EG
 15399         548         57      54  WANANCHI-, 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       13573      40947    5229  AMAZON-02, US
  8151       12316       3259     574  UNINET, MX
  9808       11561       8759     112  CHINAMOBILE-CN China Mobile Communication
 12479        7670       1713     148  UNI2-AS, ES
  7545        6141        839     618  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5299       8767     858  COGENT-174, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 11492        4781        317     604  CABLEONE, US
 18403        4373        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4358        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       12316        11742  UNINET, MX
  9808       11561        11449  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7670         7522  UNI2-AS, ES
  7545        6141         5523  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4798         4735  ALJAWWALSTC-AS, SA
   174        5299         4441  COGENT-174, US
 18403        4373         4348  FPT-AS-AP FPT Telecom Company, VN
 11492        4781         4177  CABLEONE, US
  9498        4358         4046  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      /12:297     
/13:579     /14:1207    /15:2168    /16:13812   /17:8281    /18:13533   
/19:24608   /20:43867   /21:52305   /22:111441  /23:106522  /24:622949  
/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        6593        7670  UNI2-AS, ES
  8151        6496       12316  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        3338  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2323       13573  AMAZON-02, US
 30036        2264        2605  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)
----------------------------------------------

   1:2410      2:1525      3:827       4:10        5:5007      6:162    
   7:6         8:1577      9:1        11:172      12:1344     13:451    
  14:2554     15:365      16:285      17:380      18:894      20:562    
  21:4        22:188      23:7732     24:2813     25:2        27:2790   
  29:19       31:3353     32:43       33:1        34:84       35:256    
  36:3273     37:4588     38:10568    39:907      40:236      41:4180   
  42:1890     43:2671     44:379      45:19278    46:5107     47:325    
  49:1915     50:1897     51:589      52:1555     54:321      55:1098   
  56:11       57:281      58:2186     59:1285     60:1173     61:3014   
  62:2906     63:1810     64:5569     65:2187     66:4783     67:3128   
  68:1097     69:4031     70:1054     71:628      72:2948     74:2806   
  75:1524     76:607      77:2864     78:1897     79:1719     80:2208   
  81:2090     82:3172     83:1449     84:1826     85:3459     86:1082   
  87:2398     88:1333     89:4413     90:777      91:8487     92:2751   
  93:2947     94:4050     95:4413     96:1506     97:310      98:959    
  99:691     100:72      101:1429    102:4163    103:32363   104:5233   
 105:1159    106:976     107:2640    108:1277    109:4181    110:2233   
 111:3260    112:2184    113:1860    114:1967    115:2218    116:2103   
 117:2552    118:2909    119:1918    120:2117    121:1326    122:2812   
 123:2574    124:1634    125:2883    126:91      128:1603    129:985    
 130:1317    131:2122    132:781     133:450     134:1583    135:395    
 136:1393    137:1139    138:2984    139:1582    140:1636    141:1509   
 142:1922    143:1987    144:1155    145:563     146:2186    147:2101   
 148:2719    149:2997    150:1271    151:2204    152:2104    153:591    
 154:7969    155:1792    156:3206    157:1929    158:1344    159:2506   
 160:3674    161:1895    162:3885    163:2222    164:1894    165:2081   
 166:1507    167:2032    168:4150    169:790     170:5363    171:1003   
 172:4450    173:3385    174:919     175:1316    176:3768    177:5364   
 178:3996    179:2474    180:2632    181:4247    182:3491    183:2190   
 184:2125    185:21719   186:5506    187:4886    188:4281    189:4537   
 190:9856    191:1588    192:11310   193:9501    194:7837    195:5633   
 196:3611    197:3664    198:6118    199:8574    200:8535    201:6515   
 202:10427   203:10719   204:4579    205:3642    206:4484    207:3510   
 208:4278    209:5158    210:4652    211:2552    212:4587    213:3810   
 214:1020    215:46      216:6820    217:3205    218:1377    219:402    
 220:2137    221:1153    222:708     223:2577   

End of report


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