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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Jun 19 18:47:16 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 19 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:                             1004926
    Prefixes after maximum aggregation (per Origin AS):          380432
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      482686
    Number of IPv4 prefixes with a valid ROA:                    562634
    Number of IPv4 prefixes with an invalid ROA:                    397
    Number of IPv4 prefixes with no ROA:                         441895
Total ASes present in the Internet Routing Table:                 76914
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           65982
Origin ASes announcing only one prefix:                           26505
Transit ASes present in the Internet Routing Table:               10932
Transit-only ASes present in the Internet Routing Table:            551
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:                                      79
    Max AS path prepend of ASN ( 37447)                              75
Prefixes from unregistered ASNs in the Routing Table:              1163
    Number of instances of unregistered ASNs:                      1197
Number of 32-bit ASNs allocated by the RIRs:                      46680
Number of 32-bit ASNs visible in the Routing Table:               38416
Prefixes from 32-bit ASNs in the Routing Table:                  211026
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:            452
Number of addresses announced to Internet:                   3106222592
    Equivalent to 185 /8s, 37 /16s and 50 /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:      332357

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

Prefixes being announced by APNIC Region ASes:                   260509
    Total APNIC prefixes after maximum aggregation:               77164
    APNIC Deaggregation factor:                                    3.38
Prefixes being announced from the APNIC address blocks:          251852
    Unique aggregates announced from the APNIC address blocks:   104407
APNIC Region origin ASes present in the Internet Routing Table:   14613
    APNIC Prefixes per ASN:                                       17.23
APNIC Region origin ASes announcing only one prefix:               4444
APNIC Region transit ASes present in the Internet Routing Table:   1943
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:  10157
Number of APNIC addresses announced to Internet:              748826368
    Equivalent to 44 /8s, 162 /16s and 47 /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:                    293432
    Total ARIN prefixes after maximum aggregation:               131169
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           295582
    Unique aggregates announced from the ARIN address blocks:    139494
ARIN Region origin ASes present in the Internet Routing Table:    19214
    ARIN Prefixes per ASN:                                        15.38
ARIN Region origin ASes announcing only one prefix:                7031
ARIN Region transit ASes present in the Internet Routing Table:    1951
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:    5232
Number of ARIN addresses announced to Internet:              1349593856
    Equivalent to 80 /8s, 113 /16s and 43 /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:                    278392
    Total RIPE prefixes after maximum aggregation:               134926
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           276751
    Unique aggregates announced from the RIPE address blocks:    175890
RIPE Region origin ASes present in the Internet Routing Table:    28959
    RIPE Prefixes per ASN:                                         9.56
RIPE Region origin ASes announcing only one prefix:               12048
RIPE Region transit ASes present in the Internet Routing Table:    3979
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:               731237120
    Equivalent to 43 /8s, 149 /16s and 203 /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:                  133314
    Total LACNIC prefixes after maximum aggregation:              29610
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         129663
    Unique aggregates announced from the LACNIC address blocks:   48921
LACNIC Region origin ASes present in the Internet Routing Table:  11269
    LACNIC Prefixes per ASN:                                      11.51
LACNIC Region origin ASes announcing only one prefix:              2324
LACNIC Region transit ASes present in the Internet Routing Table:  2506
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:  9219
Number of LACNIC addresses announced to Internet:             171299072
    Equivalent to 10 /8s, 53 /16s and 209 /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:                  38116
    Total AfriNIC prefixes after maximum aggregation:              6806
    AfriNIC Deaggregation factor:                                  5.60
Prefixes being announced from the AfriNIC address blocks:         50626
    Unique aggregates announced from the AfriNIC address blocks:  13571
AfriNIC Region origin ASes present in the Internet Routing Table:  1926
    AfriNIC Prefixes per ASN:                                     26.29
AfriNIC Region origin ASes announcing only one prefix:              658
AfriNIC Region transit ASes present in the Internet Routing Table:  380
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:            105054464
    Equivalent to 6 /8s, 67 /16s and 1 /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       11223       8756     101  CHINAMOBILE-CN China Mobile Communication
  7545        6191        846     645  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4417        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4328        534     309  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3916       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        2888        856     531  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 56046        2191        811     178  CMNET-JIANGSU-AP China Mobile communicati
  4755        2175        434     193  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       13656      40935    5239  AMAZON-02, US
   174        5390       8744     870  COGENT-174, US
 11492        4780        317     603  CABLEONE, US
  7155        3857        286      85  VIASAT-SP-BACKBONE, US
  6327        3633       1320      81  SHAW, CA
 22773        3348       3032     167  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3227      54767    2478  DNIC-AS-00749, US
396982        3192       3854     428  GOOGLE-CLOUD-PLATFORM, US
 16625        3091       1294    2254  AKAMAI-AS, US
 36352        2816        230     846  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        7673       1713     148  UNI2-AS, ES
 39891        4780        291      66  ALJAWWALSTC-AS, SA
 20940        4023       3395     126  AKAMAI-ASN1, NL
  9009        3890        358    2089  M247, RO
 12389        3107       2305     886  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2402        361     576  TELLCOM-AS, TR
212238        2319        170    1701  CDNEXT, GB
  8452        1616       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
  8551        1421        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       12231       3256     574  UNINET, MX
 10620        3502        481    1019  Telmex Colombia S.A., CO
 13999        2527        537     358  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        1207        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1200        371      22  Telefonica del Peru S.A.A., PE
 28202        1100         52       9  MASTER SA, BR
 22884        1064         68     372  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        1624        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        1249        554      96  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1077        523      47  Vodafone-, EG
 36914         572         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       13656      40935    5239  AMAZON-02, US
  8151       12231       3256     574  UNINET, MX
  9808       11223       8756     101  CHINAMOBILE-CN China Mobile Communication
 12479        7673       1713     148  UNI2-AS, ES
  7545        6191        846     645  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5390       8744     870  COGENT-174, US
 11492        4780        317     603  CABLEONE, US
 39891        4780        291      66  ALJAWWALSTC-AS, SA
 18403        4417        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4328        534     309  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       12231        11657  UNINET, MX
  9808       11223        11122  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7673         7525  UNI2-AS, ES
  7545        6191         5546  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4780         4714  ALJAWWALSTC-AS, SA
   174        5390         4520  COGENT-174, US
 18403        4417         4392  FPT-AS-AP FPT Telecom Company, VN
 11492        4780         4177  CABLEONE, US
  9498        4328         4019  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4023         3897  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
     54338  UNALLOCATED  8.33.241.0/24             3356  LEVEL3, 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
23.147.240.0/24      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     /14:1214    /15:2172    /16:13912   /17:8316    /18:13700   
/19:24748   /20:44617   /21:52568   /22:113517  /23:106871  /24:622244  
/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        6595        7673  UNI2-AS, ES
  8151        6426       12231  UNINET, MX
 11492        3576        4780  CABLEONE, US
 39891        3489        4780  ALJAWWALSTC-AS, SA
  6327        3430        3633  SHAW, CA
  7155        2816        3857  VIASAT-SP-BACKBONE, US
 22773        2500        3348  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2363       13656  AMAZON-02, US
 30036        2253        2594  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)
----------------------------------------------

   1:2392      2:1519      3:824       4:10        5:5059      6:161    
   7:6         8:1588      9:1        11:172      12:1347     13:452    
  14:2525     15:361      16:286      17:377      18:921      20:554    
  21:4        22:188      23:7634     24:2959     25:2        27:2780   
  29:19       31:3331     32:43       33:1        34:84       35:252    
  36:3145     37:4609     38:10562    39:906      40:174      41:4481   
  42:1966     43:2626     44:385      45:19347    46:5115     47:319    
  49:1980     50:1890     51:592      52:1567     54:319      55:1080   
  56:11       57:280      58:2216     59:1250     60:1172     61:3013   
  62:3033     63:1810     64:5519     65:2195     66:4733     67:3117   
  68:1131     69:4016     70:1072     71:631      72:2950     74:2827   
  75:1524     76:616      77:2818     78:1891     79:1719     80:2224   
  81:2079     82:3171     83:1445     84:1877     85:3457     86:1088   
  87:2372     88:1324     89:4425     90:771      91:8493     92:2739   
  93:2922     94:4039     95:4366     96:1485     97:311      98:981    
  99:690     100:73      101:1412    102:4291    103:32341   104:5168   
 105:1192    106:1042    107:2663    108:1255    109:4143    110:2226   
 111:3287    112:2126    113:1824    114:1999    115:2175    116:2107   
 117:2532    118:2811    119:1911    120:2056    121:1375    122:2807   
 123:2487    124:1609    125:2873    126:91      128:1609    129:981    
 130:1330    131:2083    132:774     133:451     134:1559    135:392    
 136:1356    137:1130    138:3030    139:1575    140:1605    141:1504   
 142:1926    143:1884    144:1162    145:551     146:2191    147:2113   
 148:2703    149:2964    150:1262    151:1971    152:2097    153:590    
 154:7594    155:1769    156:2851    157:1914    158:1332    159:2494   
 160:3675    161:1899    162:3873    163:2235    164:1887    165:2023   
 166:1490    167:2002    168:4171    169:801     170:5375    171:1008   
 172:4473    173:3357    174:919     175:1298    176:3765    177:5547   
 178:3819    179:2503    180:2670    181:4266    182:3451    183:2168   
 184:2128    185:21730   186:5575    187:4924    188:4281    189:4534   
 190:9869    191:1963    192:11316   193:9516    194:7885    195:5623   
 196:3660    197:3786    198:6126    199:8537    200:8552    201:6507   
 202:10364   203:10744   204:4555    205:3628    206:4495    207:3482   
 208:4288    209:5173    210:4648    211:2534    212:4620    213:3801   
 214:1029    215:48      216:6816    217:3264    218:1372    219:399    
 220:2081    221:1144    222:719     223:2512   

End of report


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