[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jun 19 21:40:04 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 19 Jun, 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: 985300
Prefixes after maximum aggregation (per Origin AS): 380278
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482225
Number of IPv4 prefixes with a valid ROA: 549794
Number of IPv4 prefixes with an invalid ROA: 181
Number of IPv4 prefixes with no ROA: 435325
Total ASes present in the Internet Routing Table: 76911
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65889
Origin ASes announcing only one prefix: 26879
Transit ASes present in the Internet Routing Table: 11022
Transit-only ASes present in the Internet Routing Table: 550
Paths with bogon ASNs present in the IPv4 Routing Table: 324
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 79
Max AS path prepend of ASN (133647) 73
Prefixes from unregistered ASNs in the Routing Table: 1285
Number of instances of unregistered ASNs: 1323
Number of 32-bit ASNs allocated by the RIRs: 46680
Number of 32-bit ASNs visible in the Routing Table: 38363
Prefixes from 32-bit ASNs in the Routing Table: 203950
Number of bogon 32-bit ASNs visible in the Routing Table: 108
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 453
Number of addresses announced to Internet: 3103995648
Equivalent to 185 /8s, 3 /16s and 55 /24s
Percentage of available address space announced: 83.8
Percentage of allocated address space announced: 83.8
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: 322817
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258869
Total APNIC prefixes after maximum aggregation: 77151
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 250202
Unique aggregates announced from the APNIC address blocks: 104292
APNIC Region origin ASes present in the Internet Routing Table: 14607
APNIC Prefixes per ASN: 17.13
APNIC Region origin ASes announcing only one prefix: 4447
APNIC Region transit ASes present in the Internet Routing Table: 1966
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 79
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10137
Number of APNIC addresses announced to Internet: 747566080
Equivalent to 44 /8s, 142 /16s and 244 /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: 290563
Total ARIN prefixes after maximum aggregation: 131133
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292460
Unique aggregates announced from the ARIN address blocks: 139386
ARIN Region origin ASes present in the Internet Routing Table: 19231
ARIN Prefixes per ASN: 15.21
ARIN Region origin ASes announcing only one prefix: 7034
ARIN Region transit ASes present in the Internet Routing Table: 1999
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: 5239
Number of ARIN addresses announced to Internet: 1348991488
Equivalent to 80 /8s, 103 /16s and 250 /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: 275277
Total RIPE prefixes after maximum aggregation: 134955
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273989
Unique aggregates announced from the RIPE address blocks: 175684
RIPE Region origin ASes present in the Internet Routing Table: 28910
RIPE Prefixes per ASN: 9.48
RIPE Region origin ASes announcing only one prefix: 12047
RIPE Region transit ASes present in the Internet Routing Table: 3994
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12488
Number of RIPE addresses announced to Internet: 730834944
Equivalent to 43 /8s, 143 /16s and 168 /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: 123997
Total LACNIC prefixes after maximum aggregation: 29565
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120538
Unique aggregates announced from the LACNIC address blocks: 48932
LACNIC Region origin ASes present in the Internet Routing Table: 11262
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2656
LACNIC Region transit ASes present in the Internet Routing Table: 2503
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 31
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9212
Number of LACNIC addresses announced to Internet: 171298048
Equivalent to 10 /8s, 53 /16s and 205 /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: 35309
Total AfriNIC prefixes after maximum aggregation: 6635
AfriNIC Deaggregation factor: 5.32
Prefixes being announced from the AfriNIC address blocks: 47657
Unique aggregates announced from the AfriNIC address blocks: 13529
AfriNIC Region origin ASes present in the Internet Routing Table: 1924
AfriNIC Prefixes per ASN: 24.77
AfriNIC Region origin ASes announcing only one prefix: 695
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: 32
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1287
Number of AfriNIC addresses announced to Internet: 105093120
Equivalent to 6 /8s, 67 /16s and 152 /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 11227 8759 105 CHINAMOBILE-CN China Mobile Communication
7545 6196 847 650 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4476 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4328 534 309 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3266 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2885 856 532 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2191 811 178 CMNET-JIANGSU-AP China Mobile communicati
4755 2176 434 194 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 13638 40935 5234 AMAZON-02, US
11492 4780 317 603 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3635 1320 81 SHAW, CA
22773 3605 3037 210 ASN-CXA-ALL-CCI-22773-RDC, US
174 3547 8744 869 COGENT-174, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3191 3854 427 GOOGLE-CLOUD-PLATFORM, US
16625 3125 1307 2260 AKAMAI-AS, US
36352 2816 230 846 AS-COLOCROSSING, 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 7674 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4059 3395 127 AKAMAI-ASN1, NL
9009 3887 358 2090 M247, RO
12389 3107 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 576 TELLCOM-AS, TR
212238 2319 170 1701 CDNEXT, GB
8452 1623 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1413 94 737 CLOUVIDER Clouvider - Global ASN, GB
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 12207 3256 574 UNINET, MX
10620 3502 481 1019 Telmex Colombia S.A., CO
13999 2536 537 353 Mega Cable, S.A. de C.V., MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
28573 1371 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1208 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1200 371 22 Telefonica del Peru S.A.A., PE
22884 1063 70 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1048 2503 52 TIM SA, BR
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 1820 644 27 RAYA-AS, EG
24863 1624 389 17 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1078 523 47 Vodafone-, EG
20011 568 154 212 INTERNET-SOLUTIONS, ZA
36914 566 82 3 KENET-AS, KE
15399 530 56 53 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 13638 40935 5234 AMAZON-02, US
8151 12207 3256 574 UNINET, MX
9808 11227 8759 105 CHINAMOBILE-CN China Mobile Communication
12479 7674 1713 148 UNI2-AS, ES
7545 6196 847 650 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4780 317 603 CABLEONE, US
39891 4780 291 66 ALJAWWALSTC-AS, SA
18403 4476 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4328 534 309 BBIL-AP BHARTI Airtel Ltd., IN
20940 4059 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 12207 11633 UNINET, MX
9808 11227 11122 CHINAMOBILE-CN China Mobile Communications Grou
12479 7674 7526 UNI2-AS, ES
7545 6196 5546 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 4714 ALJAWWALSTC-AS, SA
18403 4476 4451 FPT-AS-AP FPT Telecom Company, VN
11492 4780 4177 CABLEONE, US
9498 4328 4019 BBIL-AP BHARTI Airtel Ltd., IN
20940 4059 3932 AKAMAI-ASN1, NL
7552 3919 3893 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
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
395195 UNALLOCATED 8.38.115.0/24 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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /12:300
/13:584 /14:1209 /15:2151 /16:13831 /17:8232 /18:13524
/19:24544 /20:43956 /21:51732 /22:112100 /23:102742 /24:610231
/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 6596 7674 UNI2-AS, ES
8151 6423 12207 UNINET, MX
11492 3576 4780 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3635 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2735 3605 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2353 13638 AMAZON-02, US
30036 2257 2599 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2189 3502 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)
----------------------------------------------
1:2376 2:1522 3:821 4:10 5:4769 6:161
7:6 8:1567 9:1 11:172 12:1347 13:452
14:2525 15:362 16:285 17:377 18:922 20:547
21:4 22:188 23:7635 24:2892 25:2 27:2771
29:19 31:3295 32:35 33:1 34:80 35:252
36:3148 37:4582 38:9368 39:906 40:174 41:4257
42:1994 43:2615 44:383 45:18588 46:5108 47:318
49:1945 50:1887 51:591 52:1565 54:319 55:1081
56:11 57:270 58:2216 59:1185 60:1172 61:2793
62:2937 63:1800 64:5480 65:2061 66:4673 67:3078
68:1152 69:3942 70:1133 71:631 72:2876 74:2806
75:1516 76:616 77:2727 78:1901 79:1716 80:2208
81:2057 82:3174 83:1443 84:1871 85:3462 86:1086
87:2117 88:1338 89:4416 90:770 91:8417 92:2734
93:2920 94:4015 95:4367 96:1471 97:311 98:1022
99:687 100:72 101:1408 102:3873 103:32309 104:5159
105:764 106:1041 107:2685 108:1242 109:4099 110:2227
111:3281 112:2124 113:1800 114:1989 115:2161 116:2062
117:2574 118:2900 119:1902 120:2053 121:1377 122:2786
123:2205 124:1590 125:2856 126:91 128:1615 129:951
130:1303 131:2018 132:774 133:451 134:1555 135:346
136:1348 137:1258 138:2858 139:1588 140:1602 141:1502
142:1901 143:1847 144:1168 145:546 146:2179 147:2113
148:2694 149:2907 150:1263 151:1967 152:2088 153:590
154:7351 155:1747 156:2845 157:1921 158:1329 159:2498
160:3599 161:1849 162:3862 163:2228 164:1853 165:1993
166:1494 167:1974 168:3986 169:793 170:5136 171:1011
172:4474 173:3336 174:927 175:1302 176:3705 177:4724
178:3738 179:2318 180:2638 181:4076 182:3455 183:2074
184:2127 185:21560 186:5175 187:4560 188:4262 189:4314
190:9571 191:1488 192:11319 193:9478 194:7808 195:5532
196:3299 197:3235 198:6110 199:8504 200:8215 201:6376
202:10260 203:10659 204:4553 205:3613 206:4497 207:3505
208:4293 209:5122 210:4590 211:2535 212:4586 213:3748
214:1028 215:48 216:6782 217:3194 218:1356 219:388
220:2077 221:1145 222:724 223:2494
End of report
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