[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jul 22 21:40:01 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 22 Jul, 2025
IPv4 BGP Table (Global) as seen at USP.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/USP/
Analysis Summary
----------------
BGP routing table entries examined: 989718
Prefixes after maximum aggregation (per Origin AS): 383347
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 487171
Number of IPv4 prefixes with a valid ROA: 556477
Number of IPv4 prefixes with an invalid ROA: 169
Number of IPv4 prefixes with no ROA: 433072
Total ASes present in the Internet Routing Table: 77065
Prefixes per ASN: 12.84
Origin-only ASes present in the Internet Routing Table: 66010
Origin ASes announcing only one prefix: 26917
Transit ASes present in the Internet Routing Table: 11055
Transit-only ASes present in the Internet Routing Table: 560
Paths with bogon ASNs present in the IPv4 Routing Table: 316
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 53
Max AS path prepend of ASN ( 37447) 34
Prefixes from unregistered ASNs in the Routing Table: 1254
Number of instances of unregistered ASNs: 1289
Number of 32-bit ASNs allocated by the RIRs: 46908
Number of 32-bit ASNs visible in the Routing Table: 38604
Prefixes from 32-bit ASNs in the Routing Table: 205898
Number of bogon 32-bit ASNs visible in the Routing Table: 103
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 462
Number of addresses announced to Internet: 3107125504
Equivalent to 185 /8s, 50 /16s and 249 /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: 323018
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 261619
Total APNIC prefixes after maximum aggregation: 77695
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 252655
Unique aggregates announced from the APNIC address blocks: 104906
APNIC Region origin ASes present in the Internet Routing Table: 14710
APNIC Prefixes per ASN: 17.18
APNIC Region origin ASes announcing only one prefix: 4498
APNIC Region transit ASes present in the Internet Routing Table: 1982
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10251
Number of APNIC addresses announced to Internet: 749113856
Equivalent to 44 /8s, 166 /16s and 146 /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: 291193
Total ARIN prefixes after maximum aggregation: 132132
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292929
Unique aggregates announced from the ARIN address blocks: 141362
ARIN Region origin ASes present in the Internet Routing Table: 19232
ARIN Prefixes per ASN: 15.23
ARIN Region origin ASes announcing only one prefix: 7034
ARIN Region transit ASes present in the Internet Routing Table: 1992
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5265
Number of ARIN addresses announced to Internet: 1349423616
Equivalent to 80 /8s, 110 /16s and 146 /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: 276548
Total RIPE prefixes after maximum aggregation: 136158
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275541
Unique aggregates announced from the RIPE address blocks: 177452
RIPE Region origin ASes present in the Internet Routing Table: 28944
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12051
RIPE Region transit ASes present in the Internet Routing Table: 3998
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12571
Number of RIPE addresses announced to Internet: 732148992
Equivalent to 43 /8s, 163 /16s and 181 /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: 124558
Total LACNIC prefixes after maximum aggregation: 29742
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120864
Unique aggregates announced from the LACNIC address blocks: 49102
LACNIC Region origin ASes present in the Internet Routing Table: 11258
LACNIC Prefixes per ASN: 10.74
LACNIC Region origin ASes announcing only one prefix: 2636
LACNIC Region transit ASes present in the Internet Routing Table: 2524
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 37
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9222
Number of LACNIC addresses announced to Internet: 171089920
Equivalent to 10 /8s, 50 /16s and 160 /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: 34546
Total AfriNIC prefixes after maximum aggregation: 6776
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 47266
Unique aggregates announced from the AfriNIC address blocks: 13962
AfriNIC Region origin ASes present in the Internet Routing Table: 1929
AfriNIC Prefixes per ASN: 24.50
AfriNIC Region origin ASes announcing only one prefix: 698
AfriNIC Region transit ASes present in the Internet Routing Table: 376
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1295
Number of AfriNIC addresses announced to Internet: 105097216
Equivalent to 6 /8s, 67 /16s and 168 /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 12031 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6153 840 621 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4475 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4463 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3700 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3279 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2910 863 508 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2736 811 177 CMNET-JIANGSU-AP China Mobile communicati
4755 2183 434 196 TATACOMM-AS TATA Communications formerly
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13678 40975 5281 AMAZON-02, US
11492 4813 319 611 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3454 8771 858 COGENT-174, US
22773 3341 3031 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3222 54766 2473 DNIC-AS-00749, US
396982 3197 3856 433 GOOGLE-CLOUD-PLATFORM, US
16625 3063 1297 2223 AKAMAI-AS, US
4155 2873 218 1731 USDA-1, US
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 7592 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4038 3395 127 AKAMAI-ASN1, NL
9009 3789 361 2110 M247, RO
12389 3120 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2404 361 584 TELLCOM-AS, TR
212238 2319 164 1687 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1588 1852 14 TE-AS TE-AS, EG
203020 1476 163 649 HOSTROYALE, IN
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12273 3259 574 UNINET, MX
10620 3484 474 1027 Telmex Colombia S.A., CO
13999 2525 511 349 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1370 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1204 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1196 371 22 Telefonica del Peru S.A.A., PE
22884 1068 71 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1020 373 162 Axtel, S.A.B. de C.V., MX
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1728 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1309 1488 357 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
24863 1218 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 832 520 43 Vodafone-, EG
36914 580 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 532 56 54 WANANCHI-, KE
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13678 40975 5281 AMAZON-02, US
8151 12273 3259 574 UNINET, MX
9808 12031 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7592 1712 148 UNI2-AS, ES
7545 6153 840 621 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4813 319 611 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4475 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4463 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 3395 127 AKAMAI-ASN1, NL
Complete listing at https://bgp.nsrc.org/REN/USP/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 12031 11915 CHINAMOBILE-CN China Mobile Communications Grou
8151 12273 11699 UNINET, MX
12479 7592 7444 UNI2-AS, ES
7545 6153 5532 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4475 4450 FPT-AS-AP FPT Telecom Company, VN
11492 4813 4202 CABLEONE, US
9498 4463 4152 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 3911 AKAMAI-ASN1, NL
7552 3919 3892 VIETEL-AS-AP Viettel Group, VN
Complete listing at https://bgp.nsrc.org/REN/USP/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
398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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/USP/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/USP/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: 21859 ZEN-ECN, US
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
23.147.224.0/24 Origin: 27392 639-DATACENTERS, US
23.147.224.0/24 Transit: 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/USP/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:41 /11:92 /12:298
/13:582 /14:1210 /15:2152 /16:13790 /17:8222 /18:13507
/19:24534 /20:43965 /21:51727 /22:111850 /23:102797 /24:614920
/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 6536 7592 UNI2-AS, ES
8151 6492 12273 UNINET, MX
11492 3606 4813 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2493 3341 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2357 13678 AMAZON-02, US
30036 2272 2613 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2195 3484 Telmex Colombia S.A., CO
Complete listing at https://bgp.nsrc.org/REN/USP/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2398 2:1525 3:854 4:10 5:4761 6:163
7:6 8:1554 9:1 11:172 12:1337 13:463
14:2571 15:366 16:286 17:378 18:897 20:558
21:4 22:188 23:7742 24:2725 25:2 27:2812
29:19 31:3342 32:35 33:1 34:80 35:257
36:3744 37:4569 38:9448 39:926 40:251 41:4232
42:1979 43:2680 44:377 45:18586 46:5096 47:336
49:1875 50:2012 51:591 52:1549 54:323 55:1112
56:11 57:274 58:2175 59:1293 60:1173 61:2798
62:2974 63:1797 64:5538 65:2162 66:4726 67:3107
68:1083 69:3905 70:1042 71:628 72:2852 74:2798
75:1507 76:606 77:2760 78:1922 79:1697 80:2207
81:2052 82:3180 83:1439 84:1895 85:3467 86:1085
87:2133 88:1342 89:4429 90:777 91:8410 92:2709
93:2956 94:4062 95:4420 96:1467 97:310 98:955
99:695 100:71 101:1185 102:3874 103:32242 104:5220
105:799 106:972 107:2643 108:1260 109:4185 110:2229
111:3327 112:2257 113:1833 114:1952 115:2263 116:2064
117:2594 118:2986 119:1889 120:2149 121:1332 122:2792
123:2232 124:1643 125:2867 126:91 128:1625 129:964
130:1304 131:2053 132:774 133:450 134:1644 135:350
136:1402 137:1266 138:2832 139:1588 140:1633 141:1505
142:1909 143:1994 144:1182 145:563 146:2177 147:2110
148:2712 149:2936 150:1263 151:2222 152:2075 153:590
154:7597 155:1855 156:3081 157:1949 158:1353 159:2513
160:3632 161:1903 162:3855 163:2262 164:1868 165:2372
166:1520 167:2020 168:3990 169:786 170:5130 171:999
172:4258 173:3391 174:917 175:1324 176:3744 177:4712
178:3933 179:2309 180:2577 181:4129 182:3516 183:2164
184:2081 185:21608 186:5233 187:4661 188:4262 189:4301
190:9563 191:1494 192:11353 193:9483 194:7765 195:5584
196:3277 197:3180 198:6129 199:8611 200:8206 201:6385
202:10386 203:10671 204:4651 205:3600 206:4530 207:3555
208:4294 209:5135 210:4651 211:2592 212:4552 213:3827
214:1022 215:48 216:6755 217:3218 218:1367 219:390
220:2145 221:1194 222:743 223:2674
End of report
More information about the ren-bgp-stats-all
mailing list