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

REN Routing Table Report cscora at bgp.nsrc.org
Mon May 19 18:45:16 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Mon 19 May, 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:                             1002008
    Prefixes after maximum aggregation (per Origin AS):          378849
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      479643
    Number of IPv4 prefixes with a valid ROA:                    558014
    Number of IPv4 prefixes with an invalid ROA:                    472
    Number of IPv4 prefixes with no ROA:                         443521
Total ASes present in the Internet Routing Table:                 76829
    Prefixes per ASN:                                             13.04
Origin-only ASes present in the Internet Routing Table:           65936
Origin ASes announcing only one prefix:                           26562
Transit ASes present in the Internet Routing Table:               10893
Transit-only ASes present in the Internet Routing Table:            549
Paths with bogon ASNs present in the IPv4 Routing Table:             82
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:              1012
    Number of instances of unregistered ASNs:                      1013
Number of 32-bit ASNs allocated by the RIRs:                      46452
Number of 32-bit ASNs visible in the Routing Table:               38254
Prefixes from 32-bit ASNs in the Routing Table:                  209256
Number of bogon 32-bit ASNs visible in the Routing Table:            19
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            451
Number of addresses announced to Internet:                   3109777920
    Equivalent to 185 /8s, 91 /16s and 114 /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:      330379

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

Prefixes being announced by APNIC Region ASes:                   259095
    Total APNIC prefixes after maximum aggregation:               76974
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250344
    Unique aggregates announced from the APNIC address blocks:   103126
APNIC Region origin ASes present in the Internet Routing Table:   14581
    APNIC Prefixes per ASN:                                       17.17
APNIC Region origin ASes announcing only one prefix:               4440
APNIC Region transit ASes present in the Internet Routing Table:   1934
Average APNIC Region AS path length visible:                        5.3
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10119
Number of APNIC addresses announced to Internet:              748659712
    Equivalent to 44 /8s, 159 /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:                    293147
    Total ARIN prefixes after maximum aggregation:               130703
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           294672
    Unique aggregates announced from the ARIN address blocks:    138701
ARIN Region origin ASes present in the Internet Routing Table:    19223
    ARIN Prefixes per ASN:                                        15.33
ARIN Region origin ASes announcing only one prefix:                7048
ARIN Region transit ASes present in the Internet Routing Table:    1947
Average ARIN Region AS path length visible:                         4.7
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5215
Number of ARIN addresses announced to Internet:              1352428032
    Equivalent to 80 /8s, 156 /16s and 106 /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:                    277286
    Total RIPE prefixes after maximum aggregation:               134133
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:           275002
    Unique aggregates announced from the RIPE address blocks:    174651
RIPE Region origin ASes present in the Internet Routing Table:    28940
    RIPE Prefixes per ASN:                                         9.50
RIPE Region origin ASes announcing only one prefix:               12053
RIPE Region transit ASes present in the Internet Routing Table:    3961
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:   12446
Number of RIPE addresses announced to Internet:               731356928
    Equivalent to 43 /8s, 151 /16s and 159 /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:                  133363
    Total LACNIC prefixes after maximum aggregation:              29501
    LACNIC Deaggregation factor:                                   4.52
Prefixes being announced from the LACNIC address blocks:         128845
    Unique aggregates announced from the LACNIC address blocks:   48861
LACNIC Region origin ASes present in the Internet Routing Table:  11241
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2360
LACNIC Region transit ASes present in the Internet Routing Table:  2500
Average LACNIC Region AS path length visible:                       5.5
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9191
Number of LACNIC addresses announced to Internet:             171762432
    Equivalent to 10 /8s, 60 /16s and 227 /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:                  38105
    Total AfriNIC prefixes after maximum aggregation:              6900
    AfriNIC Deaggregation factor:                                  5.52
Prefixes being announced from the AfriNIC address blocks:         52694
    Unique aggregates announced from the AfriNIC address blocks:  13905
AfriNIC Region origin ASes present in the Internet Routing Table:  1917
    AfriNIC Prefixes per ASN:                                     27.49
AfriNIC Region origin ASes announcing only one prefix:              661
AfriNIC Region transit ASes present in the Internet Routing Table:  379
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: 1283
Number of AfriNIC addresses announced to Internet:            105351680
    Equivalent to 6 /8s, 71 /16s and 138 /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       10993       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6167        842     649  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4471        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4285        534     301  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3907       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3695       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3267       1869     101  VNPT-AS-VN VNPT Corp, VN
 24560        2865        852     534  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2164        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       13423      40825    5074  AMAZON-02, US
   174        5354       8747     880  COGENT-174, US
 11492        4726        313     592  CABLEONE, US
  7155        3864        286      85  VIASAT-SP-BACKBONE, US
  6327        3619       1320      81  SHAW, CA
 22773        3349       3032     168  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3230      54783    2481  DNIC-AS-00749, US
396982        3164       3851     416  GOOGLE-CLOUD-PLATFORM, US
 16625        3104       1298    2253  AKAMAI-AS, US
 36352        2824        230     868  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        7689       1714     148  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4030       3395     126  AKAMAI-ASN1, NL
  9009        3808        328    1985  M247, RO
 12389        3070       2305     887  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     581  TELLCOM-AS, TR
212238        2148        151    1580  CDNEXT, GB
 13188        1606        100      34  TRIOLAN, UA
  8452        1605       1852      14  TE-AS TE-AS, EG
  8551        1425        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       12079       3248     588  UNINET, MX
 10620        3499        480    1018  Telmex Colombia S.A., CO
 13999        2518        540     364  Mega Cable, S.A. de C.V., MX
 11830        1994        369      64  Instituto Costarricense de Electricidad y
 28573        1352       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1338        785     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1204        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1198        371      22  Telefonica del Peru S.A.A., PE
 28202        1128         52       9  Rede Brasileira de Comunicacao SA, BR
262287        1066         83     227  Latitude.sh LTDA, BR

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        1778        632      28  RAYA-AS, EG
 24863        1653        389      16  LINKdotNET-AS, EG
 29571        1598        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1432       1519     280  ETISALAT-MISR, EG
 20011        1295        204     345  INTERNET-SOLUTIONS, ZA
 36903        1250        554      97  MT-MPLS, MA
 37069        1107       1100      18  MOBINIL, EG
 36935        1036        523      46  Vodafone-, EG
 37457         587        316      32  Telkom-Internet, ZA
  3741         560        661     319  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       13423      40825    5074  AMAZON-02, US
  8151       12079       3248     588  UNINET, MX
  9808       10993       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7689       1714     148  UNI2-AS, ES
  7545        6167        842     649  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5354       8747     880  COGENT-174, US
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4726        313     592  CABLEONE, US
 18403        4471        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4285        534     301  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       12079        11491  UNINET, MX
  9808       10993        10898  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7689         7541  UNI2-AS, ES
  7545        6167         5518  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
   174        5354         4474  COGENT-174, US
 18403        4471         4446  FPT-AS-AP FPT Telecom Company, VN
 11492        4726         4134  CABLEONE, US
  9498        4285         3984  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4030         3904  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
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     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

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
23.146.16.0/24       Origin:    396281  RESERVED, ZZ
23.146.16.0/24      Transit:      7018  ATT-INTERNET4, US
23.146.19.0/24       Origin:    396281  RESERVED, ZZ
23.146.19.0/24      Transit:      7018  ATT-INTERNET4, 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       /9:16      /10:41      /11:92      /12:299     
/13:583     /14:1228    /15:2185    /16:14043   /17:8341    /18:13880   
/19:24801   /20:44475   /21:52474   /22:113280  /23:106146  /24:620108  
/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        6605        7689  UNI2-AS, ES
  8151        6272       12079  UNINET, MX
 11492        3532        4726  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3416        3619  SHAW, CA
  7155        2823        3864  VIASAT-SP-BACKBONE, US
 22773        2499        3349  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2328       13423  AMAZON-02, US
 30036        2227        2567  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2185        3499  Telmex Colombia S.A., CO

Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:2365      2:1516      3:768       4:10        5:4986      6:163    
   7:6         8:1597      9:1        11:172      12:1365     13:416    
  14:2518     15:353      16:284      17:375      18:915      20:529    
  21:4        22:188      23:7572     24:2852     25:2        27:2774   
  29:19       31:3302     32:44       33:1        34:84       35:204    
  36:2896     37:4641     38:10352    39:910      40:169      41:4444   
  42:2015     43:2596     44:384      45:19319    46:5066     47:299    
  49:1940     50:1901     51:591      52:1558     54:307      55:1090   
  56:11       57:268      58:2221     59:1280     60:1167     61:3005   
  62:3022     63:1823     64:5518     65:2173     66:4689     67:3078   
  68:1132     69:4002     70:1068     71:636      72:2849     74:2804   
  75:1628     76:616      77:2804     78:1896     79:1759     80:2220   
  81:2091     82:3123     83:1441     84:1867     85:3424     86:1066   
  87:2416     88:1307     89:4386     90:776      91:8423     92:2695   
  93:2901     94:4067     95:4324     96:1474     97:316      98:979    
  99:686     100:72      101:1169    102:4333    103:32305   104:5048   
 105:1236    106:1033    107:2649    108:1227    109:4126    110:2235   
 111:3389    112:2074    113:1817    114:1977    115:2189    116:2081   
 117:2555    118:2802    119:1961    120:1947    121:1367    122:2787   
 123:2408    124:1609    125:2851    126:91      128:1611    129:1020   
 130:1301    131:2042    132:782     133:451     134:1549    135:378    
 136:1357    137:1127    138:3070    139:1591    140:1593    141:1507   
 142:1922    143:1780    144:1094    145:509     146:2164    147:2107   
 148:2710    149:2937    150:1221    151:1913    152:2104    153:563    
 154:8414    155:1995    156:3320    157:1910    158:1323    159:2448   
 160:3898    161:1889    162:3765    163:2167    164:1714    165:2226   
 166:1478    167:1932    168:4482    169:799     170:5327    171:1005   
 172:4448    173:3307    174:916     175:1299    176:3756    177:5478   
 178:3695    179:2485    180:2652    181:4198    182:3436    183:2104   
 184:2115    185:21727   186:5521    187:4811    188:4257    189:4470   
 190:9764    191:1932    192:11258   193:9532    194:7863    195:5647   
 196:3655    197:3787    198:6110    199:8515    200:8533    201:6472   
 202:10342   203:10671   204:4553    205:3616    206:4496    207:3475   
 208:4289    209:5219    210:4616    211:2534    212:4584    213:3786   
 214:1029    215:48      216:6757    217:3208    218:1358    219:391    
 220:2085    221:1085    222:714     223:2382   

End of report


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