[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jul 21 21:40:13 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 21 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: 989111
Prefixes after maximum aggregation (per Origin AS): 383076
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 486910
Number of IPv4 prefixes with a valid ROA: 556138
Number of IPv4 prefixes with an invalid ROA: 169
Number of IPv4 prefixes with no ROA: 432804
Total ASes present in the Internet Routing Table: 77053
Prefixes per ASN: 12.84
Origin-only ASes present in the Internet Routing Table: 65987
Origin ASes announcing only one prefix: 26931
Transit ASes present in the Internet Routing Table: 11066
Transit-only ASes present in the Internet Routing Table: 560
Paths with bogon ASNs present in the IPv4 Routing Table: 314
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 53
Max AS path prepend of ASN ( 7438) 33
Prefixes from unregistered ASNs in the Routing Table: 1235
Number of instances of unregistered ASNs: 1269
Number of 32-bit ASNs allocated by the RIRs: 46911
Number of 32-bit ASNs visible in the Routing Table: 38590
Prefixes from 32-bit ASNs in the Routing Table: 205625
Number of bogon 32-bit ASNs visible in the Routing Table: 101
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 431
Number of addresses announced to Internet: 3106738432
Equivalent to 185 /8s, 45 /16s and 17 /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: 322886
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 261286
Total APNIC prefixes after maximum aggregation: 77669
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 252344
Unique aggregates announced from the APNIC address blocks: 104919
APNIC Region origin ASes present in the Internet Routing Table: 14709
APNIC Prefixes per ASN: 17.16
APNIC Region origin ASes announcing only one prefix: 4506
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: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10246
Number of APNIC addresses announced to Internet: 748972288
Equivalent to 44 /8s, 164 /16s and 105 /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: 291059
Total ARIN prefixes after maximum aggregation: 132052
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292726
Unique aggregates announced from the ARIN address blocks: 141183
ARIN Region origin ASes present in the Internet Routing Table: 19231
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7033
ARIN Region transit ASes present in the Internet Routing Table: 1997
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: 5259
Number of ARIN addresses announced to Internet: 1349271552
Equivalent to 80 /8s, 108 /16s and 64 /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: 276436
Total RIPE prefixes after maximum aggregation: 136014
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275504
Unique aggregates announced from the RIPE address blocks: 177408
RIPE Region origin ASes present in the Internet Routing Table: 28935
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12042
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: 12565
Number of RIPE addresses announced to Internet: 732082432
Equivalent to 43 /8s, 162 /16s and 177 /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: 124496
Total LACNIC prefixes after maximum aggregation: 29732
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120832
Unique aggregates announced from the LACNIC address blocks: 49111
LACNIC Region origin ASes present in the Internet Routing Table: 11260
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2654
LACNIC Region transit ASes present in the Internet Routing Table: 2525
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: 9224
Number of LACNIC addresses announced to Internet: 171075584
Equivalent to 10 /8s, 50 /16s and 104 /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: 34599
Total AfriNIC prefixes after maximum aggregation: 6780
AfriNIC Deaggregation factor: 5.10
Prefixes being announced from the AfriNIC address blocks: 47273
Unique aggregates announced from the AfriNIC address blocks: 13920
AfriNIC Region origin ASes present in the Internet Routing Table: 1930
AfriNIC Prefixes per ASN: 24.49
AfriNIC Region origin ASes announcing only one prefix: 696
AfriNIC Region transit ASes present in the Internet Routing Table: 381
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: 1296
Number of AfriNIC addresses announced to Internet: 105092096
Equivalent to 6 /8s, 67 /16s and 148 /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 11823 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6161 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4485 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4463 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 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 2905 863 520 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 13677 40974 5288 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 3342 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 2868 218 1736 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 7607 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4038 3395 127 AKAMAI-ASN1, NL
9009 3786 361 2107 M247, RO
12389 3120 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2403 361 583 TELLCOM-AS, TR
212238 2321 164 1689 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1573 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 12291 3259 574 UNINET, MX
10620 3485 474 1028 Telmex Colombia S.A., CO
13999 2529 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 1202 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1196 371 22 Telefonica del Peru S.A.A., PE
22884 1068 71 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1022 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 1719 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1294 1488 355 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
24863 1215 389 22 LINKdotNET-AS, EG
37069 1101 1112 11 MOBINIL, EG
36935 822 520 43 Vodafone-, EG
36914 577 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 13677 40974 5288 AMAZON-02, US
8151 12291 3259 574 UNINET, MX
9808 11823 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7607 1712 148 UNI2-AS, ES
7545 6161 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4813 319 611 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4485 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
8151 12291 11717 UNINET, MX
9808 11823 11707 CHINAMOBILE-CN China Mobile Communications Grou
12479 7607 7459 UNI2-AS, ES
7545 6161 5539 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4485 4460 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 3918 3891 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 /15:2151 /16:13784 /17:8226 /18:13500
/19:24542 /20:43976 /21:51724 /22:111769 /23:102805 /24:614380
/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 6551 7607 UNI2-AS, ES
8151 6512 12291 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 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2354 13677 AMAZON-02, US
30036 2272 2613 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2196 3485 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)
----------------------------------------------
1:2403 2:1525 3:854 4:10 5:4754 6:163
7:6 8:1551 9:1 11:172 12:1336 13:460
14:2559 15:365 16:286 17:378 18:897 20:558
21:4 22:188 23:7740 24:2723 25:2 27:2810
29:19 31:3337 32:35 33:1 34:80 35:257
36:3620 37:4569 38:9419 39:911 40:252 41:4220
42:1984 43:2683 44:376 45:18550 46:5094 47:336
49:1874 50:1943 51:591 52:1549 54:324 55:1108
56:11 57:274 58:2176 59:1291 60:1174 61:2798
62:2970 63:1799 64:5530 65:2162 66:4702 67:3107
68:1083 69:3900 70:1042 71:631 72:2853 74:2794
75:1506 76:602 77:2758 78:1916 79:1693 80:2198
81:2053 82:3181 83:1438 84:1892 85:3460 86:1086
87:2134 88:1342 89:4421 90:779 91:8414 92:2710
93:2952 94:4054 95:4424 96:1467 97:310 98:955
99:695 100:71 101:1182 102:3887 103:32217 104:5204
105:800 106:970 107:2640 108:1259 109:4187 110:2233
111:3294 112:2237 113:1840 114:1952 115:2255 116:2062
117:2582 118:2983 119:1889 120:2144 121:1332 122:2791
123:2242 124:1644 125:2876 126:90 128:1622 129:966
130:1304 131:2049 132:775 133:450 134:1643 135:323
136:1441 137:1268 138:2825 139:1586 140:1635 141:1505
142:1910 143:1994 144:1184 145:562 146:2170 147:2103
148:2711 149:2932 150:1272 151:2219 152:2075 153:591
154:7583 155:1847 156:3077 157:1942 158:1350 159:2511
160:3630 161:1898 162:3854 163:2257 164:1871 165:2364
166:1522 167:2019 168:3988 169:788 170:5126 171:1005
172:4252 173:3391 174:917 175:1327 176:3745 177:4704
178:3936 179:2314 180:2601 181:4131 182:3511 183:2152
184:2080 185:21603 186:5228 187:4650 188:4269 189:4327
190:9566 191:1493 192:11350 193:9487 194:7766 195:5585
196:3292 197:3195 198:6129 199:8605 200:8207 201:6382
202:10379 203:10674 204:4651 205:3616 206:4524 207:3551
208:4296 209:5136 210:4632 211:2592 212:4551 213:3829
214:1025 215:46 216:6726 217:3221 218:1365 219:393
220:2144 221:1193 222:743 223:2674
End of report
More information about the ren-bgp-stats-all
mailing list