[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jul 10 21:40:12 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 10 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: 985562
Prefixes after maximum aggregation (per Origin AS): 382229
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 485277
Number of IPv4 prefixes with a valid ROA: 554441
Number of IPv4 prefixes with an invalid ROA: 177
Number of IPv4 prefixes with no ROA: 430944
Total ASes present in the Internet Routing Table: 77003
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65964
Origin ASes announcing only one prefix: 26888
Transit ASes present in the Internet Routing Table: 11039
Transit-only ASes present in the Internet Routing Table: 550
Paths with bogon ASNs present in the IPv4 Routing Table: 346
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 53
Max AS path prepend of ASN ( 40933) 31
Prefixes from unregistered ASNs in the Routing Table: 1283
Number of instances of unregistered ASNs: 1319
Number of 32-bit ASNs allocated by the RIRs: 46773
Number of 32-bit ASNs visible in the Routing Table: 38515
Prefixes from 32-bit ASNs in the Routing Table: 204971
Number of bogon 32-bit ASNs visible in the Routing Table: 118
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 479
Number of addresses announced to Internet: 3104860416
Equivalent to 185 /8s, 16 /16s and 105 /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: 322588
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260532
Total APNIC prefixes after maximum aggregation: 77517
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 251824
Unique aggregates announced from the APNIC address blocks: 104806
APNIC Region origin ASes present in the Internet Routing Table: 14693
APNIC Prefixes per ASN: 17.14
APNIC Region origin ASes announcing only one prefix: 4476
APNIC Region transit ASes present in the Internet Routing Table: 1978
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10221
Number of APNIC addresses announced to Internet: 748971520
Equivalent to 44 /8s, 164 /16s and 102 /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: 290693
Total ARIN prefixes after maximum aggregation: 131711
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292717
Unique aggregates announced from the ARIN address blocks: 140515
ARIN Region origin ASes present in the Internet Routing Table: 19209
ARIN Prefixes per ASN: 15.24
ARIN Region origin ASes announcing only one prefix: 7023
ARIN Region transit ASes present in the Internet Routing Table: 1991
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: 5246
Number of ARIN addresses announced to Internet: 1348610304
Equivalent to 80 /8s, 98 /16s and 41 /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: 276324
Total RIPE prefixes after maximum aggregation: 135757
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 275095
Unique aggregates announced from the RIPE address blocks: 176792
RIPE Region origin ASes present in the Internet Routing Table: 28928
RIPE Prefixes per ASN: 9.51
RIPE Region origin ASes announcing only one prefix: 12035
RIPE Region transit ASes present in the Internet Routing Table: 3982
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12535
Number of RIPE addresses announced to Internet: 731056384
Equivalent to 43 /8s, 147 /16s and 9 /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: 124479
Total LACNIC prefixes after maximum aggregation: 29694
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120830
Unique aggregates announced from the LACNIC address blocks: 49082
LACNIC Region origin ASes present in the Internet Routing Table: 11269
LACNIC Prefixes per ASN: 10.72
LACNIC Region origin ASes announcing only one prefix: 2658
LACNIC Region transit ASes present in the Internet Routing Table: 2519
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9230
Number of LACNIC addresses announced to Internet: 171193088
Equivalent to 10 /8s, 52 /16s and 51 /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: 32251
Total AfriNIC prefixes after maximum aggregation: 6683
AfriNIC Deaggregation factor: 4.83
Prefixes being announced from the AfriNIC address blocks: 44616
Unique aggregates announced from the AfriNIC address blocks: 13660
AfriNIC Region origin ASes present in the Internet Routing Table: 1917
AfriNIC Prefixes per ASN: 23.27
AfriNIC Region origin ASes announcing only one prefix: 696
AfriNIC Region transit ASes present in the Internet Routing Table: 384
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1283
Number of AfriNIC addresses announced to Internet: 104766976
Equivalent to 6 /8s, 62 /16s and 158 /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 11755 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4455 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4359 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3926 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3701 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3279 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2902 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2649 811 177 CMNET-JIANGSU-AP China Mobile communicati
4755 2182 434 193 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 13663 40959 5253 AMAZON-02, US
11492 4787 317 605 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3635 1320 82 SHAW, CA
22773 3605 3038 209 ASN-CXA-ALL-CCI-22773-RDC, US
174 3467 8769 848 COGENT-174, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3195 3854 432 GOOGLE-CLOUD-PLATFORM, US
16625 3108 1309 2249 AKAMAI-AS, US
4155 2839 216 1741 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 7638 1713 150 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4080 3395 127 AKAMAI-ASN1, NL
9009 3766 358 2097 M247, RO
12389 3118 2305 882 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2403 361 583 TELLCOM-AS, TR
212238 2346 167 1714 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1575 1852 14 TE-AS TE-AS, EG
203020 1426 160 609 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 12291 3255 575 UNINET, MX
10620 3509 481 1020 Telmex Colombia S.A., CO
13999 2526 538 352 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1368 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1196 371 22 Telefonica del Peru S.A.A., PE
11664 1188 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1063 70 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1023 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
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
24835 1116 633 33 RAYA-AS, EG
36992 875 1431 280 ETISALAT-MISR, EG
36935 779 522 46 Vodafone-, EG
37069 600 1112 11 MOBINIL, EG
24863 597 389 22 LINKdotNET-AS, EG
36914 573 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 531 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 13663 40959 5253 AMAZON-02, US
8151 12291 3255 575 UNINET, MX
9808 11755 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7638 1713 150 UNI2-AS, ES
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4787 317 605 CABLEONE, US
18403 4455 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4359 535 312 BBIL-AP BHARTI Airtel Ltd., IN
20940 4080 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
8151 12291 11716 UNINET, MX
9808 11755 11639 CHINAMOBILE-CN China Mobile Communications Grou
12479 7638 7488 UNI2-AS, ES
7545 6148 5525 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4455 4430 FPT-AS-AP FPT Telecom Company, VN
11492 4787 4182 CABLEONE, US
9498 4359 4047 BBIL-AP BHARTI Airtel Ltd., IN
20940 4080 3953 AKAMAI-ASN1, NL
7552 3926 3899 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: 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
23.142.24.0/24 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
/13:580 /14:1203 /15:2148 /16:13749 /17:8224 /18:13443
/19:24460 /20:43398 /21:51605 /22:110826 /23:102788 /24:612676
/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 6571 7638 UNI2-AS, ES
8151 6513 12291 UNINET, MX
11492 3581 4787 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3432 3635 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2734 3605 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2348 13663 AMAZON-02, US
30036 2271 2613 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2196 3509 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 2:1528 3:848 4:10 5:4740 6:161
7:6 8:1558 9:1 11:172 12:1342 13:457
14:2554 15:364 16:285 17:377 18:896 20:556
21:4 22:188 23:7752 24:2728 25:2 27:2815
29:19 31:3318 32:35 33:1 34:80 35:256
36:3526 37:4574 38:9394 39:908 40:236 41:4049
42:1949 43:2678 44:375 45:18429 46:5101 47:334
49:1884 50:1891 51:592 52:1554 54:324 55:1106
56:11 57:273 58:2188 59:1187 60:1174 61:2790
62:2879 63:1794 64:5528 65:2062 66:4723 67:3107
68:1124 69:3916 70:1108 71:631 72:2873 74:2793
75:1511 76:608 77:2761 78:1920 79:1719 80:2191
81:2071 82:3166 83:1442 84:1862 85:3461 86:1090
87:2137 88:1347 89:4424 90:774 91:8407 92:2747
93:2947 94:4086 95:4405 96:1480 97:309 98:1003
99:697 100:72 101:1178 102:3895 103:32267 104:5267
105:787 106:975 107:2657 108:1257 109:4152 110:2233
111:3272 112:2221 113:1843 114:1962 115:2250 116:2058
117:2595 118:2987 119:1915 120:2116 121:1332 122:2788
123:2229 124:1633 125:2880 126:91 128:1611 129:965
130:1296 131:2060 132:786 133:450 134:1579 135:349
136:1428 137:1268 138:2837 139:1592 140:1633 141:1526
142:1898 143:1963 144:1176 145:558 146:2177 147:2103
148:2701 149:2940 150:1227 151:2211 152:2078 153:592
154:7433 155:1819 156:2933 157:1933 158:1345 159:2498
160:3621 161:1858 162:3883 163:2240 164:1866 165:2073
166:1503 167:2023 168:3983 169:785 170:5132 171:1008
172:4431 173:3361 174:927 175:1326 176:3713 177:4714
178:3937 179:2331 180:2606 181:4128 182:3492 183:2133
184:2108 185:21562 186:5239 187:4625 188:4266 189:4313
190:9639 191:1471 192:11331 193:9472 194:7775 195:5559
196:3276 197:3145 198:6113 199:8533 200:8215 201:6388
202:10362 203:10647 204:4572 205:3623 206:4528 207:3531
208:4293 209:5107 210:4616 211:2571 212:4555 213:3794
214:1024 215:46 216:6783 217:3158 218:1361 219:393
220:2142 221:1186 222:713 223:2609
End of report
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