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

REN Routing Table Report cscora at bgp.nsrc.org
Thu May 29 18:44:39 UTC 2025


IPv4 R&E Routing Table Report   18:40 GMT Thu 29 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:                             1004033
    Prefixes after maximum aggregation (per Origin AS):          379717
    Deaggregation factor:                                          2.64
    Unique aggregates announced (without unneeded subnets):      483561
    Number of IPv4 prefixes with a valid ROA:                    560559
    Number of IPv4 prefixes with an invalid ROA:                    497
    Number of IPv4 prefixes with no ROA:                         442977
Total ASes present in the Internet Routing Table:                 76901
    Prefixes per ASN:                                             13.06
Origin-only ASes present in the Internet Routing Table:           65978
Origin ASes announcing only one prefix:                           26600
Transit ASes present in the Internet Routing Table:               10923
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:              1075
    Number of instances of unregistered ASNs:                      1076
Number of 32-bit ASNs allocated by the RIRs:                      46539
Number of 32-bit ASNs visible in the Routing Table:               38323
Prefixes from 32-bit ASNs in the Routing Table:                  210105
Number of bogon 32-bit ASNs visible in the Routing Table:            21
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            468
Number of addresses announced to Internet:                   3110105600
    Equivalent to 185 /8s, 96 /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:      331208

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

Prefixes being announced by APNIC Region ASes:                   259957
    Total APNIC prefixes after maximum aggregation:               77135
    APNIC Deaggregation factor:                                    3.37
Prefixes being announced from the APNIC address blocks:          251023
    Unique aggregates announced from the APNIC address blocks:   104357
APNIC Region origin ASes present in the Internet Routing Table:   14579
    APNIC Prefixes per ASN:                                       17.22
APNIC Region origin ASes announcing only one prefix:               4439
APNIC Region transit ASes present in the Internet Routing Table:   1921
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:  10121
Number of APNIC addresses announced to Internet:              748843008
    Equivalent to 44 /8s, 162 /16s and 112 /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:                    293619
    Total ARIN prefixes after maximum aggregation:               131150
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           295309
    Unique aggregates announced from the ARIN address blocks:    140124
ARIN Region origin ASes present in the Internet Routing Table:    19223
    ARIN Prefixes per ASN:                                        15.36
ARIN Region origin ASes announcing only one prefix:                7054
ARIN Region transit ASes present in the Internet Routing Table:    1952
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:    5216
Number of ARIN addresses announced to Internet:              1352187136
    Equivalent to 80 /8s, 152 /16s and 189 /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:                    277720
    Total RIPE prefixes after maximum aggregation:               134494
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           275716
    Unique aggregates announced from the RIPE address blocks:    175290
RIPE Region origin ASes present in the Internet Routing Table:    28989
    RIPE Prefixes per ASN:                                         9.51
RIPE Region origin ASes announcing only one prefix:               12082
RIPE Region transit ASes present in the Internet Routing Table:    3980
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:   12486
Number of RIPE addresses announced to Internet:               731749120
    Equivalent to 43 /8s, 157 /16s and 155 /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:                  133608
    Total LACNIC prefixes after maximum aggregation:              29515
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:         129091
    Unique aggregates announced from the LACNIC address blocks:   48950
LACNIC Region origin ASes present in the Internet Routing Table:  11267
    LACNIC Prefixes per ASN:                                      11.46
LACNIC Region origin ASes announcing only one prefix:              2364
LACNIC Region transit ASes present in the Internet Routing Table:  2514
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:  9216
Number of LACNIC addresses announced to Internet:             171903744
    Equivalent to 10 /8s, 63 /16s and 11 /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:                  38054
    Total AfriNIC prefixes after maximum aggregation:              6773
    AfriNIC Deaggregation factor:                                  5.62
Prefixes being announced from the AfriNIC address blocks:         52426
    Unique aggregates announced from the AfriNIC address blocks:  14426
AfriNIC Region origin ASes present in the Internet Routing Table:  1918
    AfriNIC Prefixes per ASN:                                     27.33
AfriNIC Region origin ASes announcing only one prefix:              661
AfriNIC Region transit ASes present in the Internet Routing Table:  381
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: 1284
Number of AfriNIC addresses announced to Internet:            105209344
    Equivalent to 6 /8s, 69 /16s and 94 /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       11067       8755      95  CHINAMOBILE-CN China Mobile Communication
  7545        6174        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4366        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4288        533     300  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3923       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        2873        853     528  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2173       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2166        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       13553      40827    5185  AMAZON-02, US
   174        5272       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        3346       3033     170  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3231      54784    2482  DNIC-AS-00749, US
396982        3175       3853     420  GOOGLE-CLOUD-PLATFORM, US
 16625        3074       1277    2231  AKAMAI-AS, US
 36352        2819        230     854  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        7726       1714     148  UNI2-AS, ES
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 20940        4025       3395     126  AKAMAI-ASN1, NL
  9009        3907        358    2072  M247, RO
 12389        3073       2306     888  ROSTELECOM-AS PJSC Rostelecom. Technical 
 34984        2391        360     580  TELLCOM-AS, TR
212238        2220        161    1634  CDNEXT, GB
  8452        1611       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       12199       3255     580  UNINET, MX
 10620        3500        480    1017  Telmex Colombia S.A., CO
 13999        2509        540     361  Mega Cable, S.A. de C.V., MX
 11830        1990        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        1198        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        1071         83     230  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        1654        389      17  LINKdotNET-AS, EG
 29571        1610        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        1054        523      47  Vodafone-, EG
 37457         588        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       13553      40827    5185  AMAZON-02, US
  8151       12199       3255     580  UNINET, MX
  9808       11067       8755      95  CHINAMOBILE-CN China Mobile Communication
 12479        7726       1714     148  UNI2-AS, ES
  7545        6174        844     646  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5272       8747     892  COGENT-174, US
 39891        4798        293      63  ALJAWWALSTC-AS, SA
 11492        4735        314     586  CABLEONE, US
 18403        4366        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4288        533     300  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       12199        11619  UNINET, MX
  9808       11067        10972  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7726         7578  UNI2-AS, ES
  7545        6174         5528  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4798         4735  ALJAWWALSTC-AS, SA
   174        5272         4380  COGENT-174, US
 18403        4366         4341  FPT-AS-AP FPT Telecom Company, VN
 11492        4735         4149  CABLEONE, US
  9498        4288         3988  BBIL-AP BHARTI Airtel Ltd., IN
 20940        4025         3899  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      /12:298     
/13:583     /14:1226    /15:2184    /16:13969   /17:8334    /18:13870   
/19:24809   /20:44544   /21:52505   /22:113345  /23:106567  /24:621634  
/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        6639        7726  UNI2-AS, ES
  8151        6365       12199  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        2494        3346  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2385       13553  AMAZON-02, US
 30036        2235        2576  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2186        3500  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)
----------------------------------------------

   1:2386      2:1517      3:796       4:9         5:5000      6:162    
   7:6         8:1596      9:1        11:172      12:1360     13:431    
  14:2524     15:356      16:285      17:376      18:919      20:549    
  21:4        22:188      23:7585     24:2893     25:2        27:2783   
  29:19       31:3318     32:44       33:1        34:84       35:215    
  36:3062     37:4647     38:10360    39:909      40:170      41:4469   
  42:1939     43:2604     44:384      45:19345    46:5101     47:301    
  49:1948     50:1896     51:592      52:1568     54:318      55:1063   
  56:11       57:272      58:2216     59:1287     60:1168     61:3014   
  62:3017     63:1813     64:5511     65:2193     66:4739     67:3109   
  68:1137     69:4016     70:1080     71:638      72:2937     74:2813   
  75:1527     76:617      77:2808     78:1899     79:1689     80:2224   
  81:2102     82:3110     83:1453     84:1870     85:3430     86:1064   
  87:2389     88:1308     89:4407     90:777      91:8451     92:2724   
  93:2920     94:4072     95:4357     96:1473     97:316      98:978    
  99:689     100:72      101:1430    102:4288    103:32347   104:5067   
 105:1236    106:1035    107:2648    108:1258    109:4090    110:2241   
 111:3287    112:2115    113:1822    114:1985    115:2225    116:2084   
 117:2533    118:2803    119:1921    120:1969    121:1373    122:2788   
 123:2419    124:1600    125:2862    126:91      128:1611    129:1023   
 130:1334    131:2056    132:785     133:449     134:1553    135:379    
 136:1361    137:1133    138:3066    139:1590    140:1598    141:1505   
 142:1932    143:1803    144:1132    145:515     146:2183    147:2111   
 148:2711    149:2945    150:1254    151:1935    152:2105    153:568    
 154:8285    155:2012    156:3292    157:1912    158:1328    159:2475   
 160:3923    161:1887    162:3795    163:2196    164:1763    165:2248   
 166:1487    167:1960    168:4480    169:801     170:5323    171:1009   
 172:4444    173:3330    174:914     175:1300    176:3756    177:5489   
 178:3722    179:2534    180:2662    181:4251    182:3441    183:2118   
 184:2121    185:21765   186:5529    187:4845    188:4254    189:4500   
 190:9821    191:1904    192:11300   193:9497    194:7868    195:5619   
 196:3637    197:3742    198:6128    199:8538    200:8518    201:6455   
 202:10391   203:10712   204:4550    205:3602    206:4491    207:3470   
 208:4266    209:5179    210:4633    211:2531    212:4599    213:3788   
 214:1027    215:48      216:6795    217:3194    218:1365    219:390    
 220:2087    221:1107    222:719     223:2404   

End of report


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