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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Jun 1 18:44:20 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Sun 01 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:                             1003812
    Prefixes after maximum aggregation (per Origin AS):          379825
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      483032
    Number of IPv4 prefixes with a valid ROA:                    560302
    Number of IPv4 prefixes with an invalid ROA:                    495
    Number of IPv4 prefixes with no ROA:                         443015
Total ASes present in the Internet Routing Table:                 76897
    Prefixes per ASN:                                             13.05
Origin-only ASes present in the Internet Routing Table:           65969
Origin ASes announcing only one prefix:                           26573
Transit ASes present in the Internet Routing Table:               10928
Transit-only ASes present in the Internet Routing Table:            546
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:              1076
    Number of instances of unregistered ASNs:                      1077
Number of 32-bit ASNs allocated by the RIRs:                      46553
Number of 32-bit ASNs visible in the Routing Table:               38326
Prefixes from 32-bit ASNs in the Routing Table:                  210053
Number of bogon 32-bit ASNs visible in the Routing Table:            20
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            452
Number of addresses announced to Internet:                   3110399232
    Equivalent to 185 /8s, 100 /16s and 237 /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:      330915

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

Prefixes being announced by APNIC Region ASes:                   259995
    Total APNIC prefixes after maximum aggregation:               77186
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          250936
    Unique aggregates announced from the APNIC address blocks:   104337
APNIC Region origin ASes present in the Internet Routing Table:   14587
    APNIC Prefixes per ASN:                                       17.20
APNIC Region origin ASes announcing only one prefix:               4450
APNIC Region transit ASes present in the Internet Routing Table:   1931
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:  10128
Number of APNIC addresses announced to Internet:              748851968
    Equivalent to 44 /8s, 162 /16s and 147 /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:                    293693
    Total ARIN prefixes after maximum aggregation:               131111
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           295467
    Unique aggregates announced from the ARIN address blocks:    139516
ARIN Region origin ASes present in the Internet Routing Table:    19224
    ARIN Prefixes per ASN:                                        15.37
ARIN Region origin ASes announcing only one prefix:                7051
ARIN Region transit ASes present in the Internet Routing Table:    1956
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:    5221
Number of ARIN addresses announced to Internet:              1352585472
    Equivalent to 80 /8s, 158 /16s and 209 /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:                    277783
    Total RIPE prefixes after maximum aggregation:               134521
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           275779
    Unique aggregates announced from the RIPE address blocks:    175333
RIPE Region origin ASes present in the Internet Routing Table:    28982
    RIPE Prefixes per ASN:                                         9.52
RIPE Region origin ASes announcing only one prefix:               12068
RIPE Region transit ASes present in the Internet Routing Table:    3984
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:   12483
Number of RIPE addresses announced to Internet:               731629824
    Equivalent to 43 /8s, 155 /16s and 201 /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:                  133328
    Total LACNIC prefixes after maximum aggregation:              29560
    LACNIC Deaggregation factor:                                   4.51
Prefixes being announced from the LACNIC address blocks:         128802
    Unique aggregates announced from the LACNIC address blocks:   48981
LACNIC Region origin ASes present in the Internet Routing Table:  11267
    LACNIC Prefixes per ASN:                                      11.43
LACNIC Region origin ASes announcing only one prefix:              2347
LACNIC Region transit ASes present in the Internet Routing Table:  2506
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:  9217
Number of LACNIC addresses announced to Internet:             171940864
    Equivalent to 10 /8s, 63 /16s and 156 /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:                  37937
    Total AfriNIC prefixes after maximum aggregation:              6799
    AfriNIC Deaggregation factor:                                  5.58
Prefixes being announced from the AfriNIC address blocks:         52376
    Unique aggregates announced from the AfriNIC address blocks:  14461
AfriNIC Region origin ASes present in the Internet Routing Table:  1913
    AfriNIC Prefixes per ASN:                                     27.38
AfriNIC Region origin ASes announcing only one prefix:              657
AfriNIC Region transit ASes present in the Internet Routing Table:  377
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: 1277
Number of AfriNIC addresses announced to Internet:            105190144
    Equivalent to 6 /8s, 69 /16s and 19 /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       11063       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6174        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4370        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4298        533     301  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3895       1332      26  VIETEL-AS-AP Viettel Group, VN
  7713        3697       1044      66  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3277       1869     103  VNPT-AS-VN VNPT Corp, VN
 24560        2878        854     528  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       13586      40828    5194  AMAZON-02, US
   174        5259       8747     892  COGENT-174, US
 11492        4735        314     586  CABLEONE, US
  7155        3864        286      85  VIASAT-SP-BACKBONE, US
  6327        3628       1320      81  SHAW, CA
 22773        3347       3033     170  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3231      54784    2482  DNIC-AS-00749, US
396982        3177       3853     422  GOOGLE-CLOUD-PLATFORM, US
 16625        3094       1292    2253  AKAMAI-AS, US
 36352        2816        230     852  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        7718       1714     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        4024       3395     126  AKAMAI-ASN1, NL
  9009        3901        356    2070  M247, RO
 12389        3073       2306     888  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     580  TELLCOM-AS, TR
212238        2224        161    1637  CDNEXT, GB
  8452        1612       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1425         95     740  CLOUVIDER Clouvider - Global ASN, GB

Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12197       3254     582  UNINET, MX
 10620        3499        480    1017  Telmex Colombia S.A., CO
 13999        2513        540     362  Mega Cable, S.A. de C.V., MX
 11830        1989        369      64  Instituto Costarricense de Electricidad y
 28573        1361       2438     262  Claro NXT Telecomunicacoes Ltda, BR
  3816        1338        785     210  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
  6147        1197        371      22  Telefonica del Peru S.A.A., PE
 11664        1190        278      33  Techtel LMDS Comunicaciones Interactivas 
 28202        1113         52       9  MASTER SA, BR
262287        1073         83     232  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        1780        644      27  RAYA-AS, EG
 24863        1653        389      17  LINKdotNET-AS, EG
 29571        1611        102      33  ORANGE-COTE-IVOIRE, CI
 36992        1431       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        1038        520      44  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       13586      40828    5194  AMAZON-02, US
  8151       12197       3254     582  UNINET, MX
  9808       11063       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7718       1714     148  UNI2-AS, ES
  7545        6174        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5259       8747     892  COGENT-174, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 11492        4735        314     586  CABLEONE, US
 18403        4370        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4298        533     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       12197        11615  UNINET, MX
  9808       11063        10968  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7718         7570  UNI2-AS, ES
  7545        6174         5528  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4798         4735  ALJAWWALSTC-AS, SA
   174        5259         4367  COGENT-174, US
 18403        4370         4345  FPT-AS-AP FPT Telecom Company, VN
 11492        4735         4149  CABLEONE, US
  9498        4298         3997  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4024         3898  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
23.147.240.0/24      Origin:     32302  RESERVED, ZZ
23.147.240.0/24     Transit:     32787  PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.152.48.0/24       Origin:     46167  RESERVED, ZZ
23.152.48.0/24      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     /14:1226    /15:2185    /16:13969   /17:8339    /18:13877   
/19:24789   /20:44558   /21:52498   /22:113295  /23:106539  /24:621490  
/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        6633        7718  UNI2-AS, ES
  8151        6368       12197  UNINET, MX
 11492        3532        4735  CABLEONE, US
 39891        3489        4798  ALJAWWALSTC-AS, SA
  6327        3425        3628  SHAW, CA
  7155        2823        3864  VIASAT-SP-BACKBONE, US
 22773        2495        3347  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2374       13586  AMAZON-02, US
 30036        2237        2578  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2186        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)
----------------------------------------------

   1:2387      2:1518      3:801       4:9         5:4989      6:162    
   7:6         8:1595      9:1        11:172      12:1359     13:444    
  14:2522     15:360      16:285      17:376      18:920      20:549    
  21:4        22:188      23:7577     24:2893     25:2        27:2783   
  29:19       31:3312     32:44       33:1        34:84       35:214    
  36:3020     37:4644     38:10372    39:910      40:170      41:4427   
  42:1938     43:2614     44:385      45:19353    46:5107     47:318    
  49:1949     50:1894     51:592      52:1570     54:321      55:1096   
  56:11       57:272      58:2215     59:1287     60:1167     61:3014   
  62:3028     63:1816     64:5503     65:2196     66:4744     67:3105   
  68:1138     69:4018     70:1080     71:638      72:2934     74:2817   
  75:1528     76:617      77:2800     78:1897     79:1695     80:2225   
  81:2093     82:3111     83:1455     84:1868     85:3429     86:1069   
  87:2388     88:1308     89:4413     90:777      91:8448     92:2719   
  93:2921     94:4060     95:4353     96:1474     97:315      98:977    
  99:689     100:72      101:1432    102:4283    103:32342   104:5077   
 105:1231    106:1035    107:2651    108:1258    109:4118    110:2240   
 111:3287    112:2115    113:1823    114:1982    115:2226    116:2084   
 117:2532    118:2803    119:1920    120:1968    121:1373    122:2791   
 123:2420    124:1599    125:2869    126:91      128:1608    129:1023   
 130:1338    131:2063    132:783     133:449     134:1551    135:379    
 136:1361    137:1132    138:3057    139:1587    140:1598    141:1504   
 142:1929    143:1816    144:1132    145:515     146:2196    147:2111   
 148:2706    149:2948    150:1256    151:1947    152:2108    153:568    
 154:8288    155:2018    156:3338    157:1909    158:1326    159:2476   
 160:3932    161:1892    162:3790    163:2200    164:1759    165:2248   
 166:1488    167:1953    168:4495    169:803     170:5329    171:1009   
 172:4449    173:3333    174:918     175:1299    176:3756    177:5398   
 178:3723    179:2477    180:2663    181:4254    182:3444    183:2118   
 184:2120    185:21765   186:5522    187:4817    188:4254    189:4458   
 190:9830    191:1900    192:11297   193:9503    194:7880    195:5618   
 196:3618    197:3739    198:6132    199:8543    200:8518    201:6463   
 202:10357   203:10708   204:4554    205:3571    206:4480    207:3486   
 208:4252    209:5174    210:4639    211:2531    212:4610    213:3792   
 214:1013    215:48      216:6794    217:3196    218:1365    219:390    
 220:2082    221:1106    222:719     223:2406   

End of report


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