[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jul 11 21:40:10 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Fri 11 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: 986228
Prefixes after maximum aggregation (per Origin AS): 382602
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 485587
Number of IPv4 prefixes with a valid ROA: 554829
Number of IPv4 prefixes with an invalid ROA: 176
Number of IPv4 prefixes with no ROA: 431223
Total ASes present in the Internet Routing Table: 77020
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65982
Origin ASes announcing only one prefix: 26895
Transit ASes present in the Internet Routing Table: 11038
Transit-only ASes present in the Internet Routing Table: 557
Paths with bogon ASNs present in the IPv4 Routing Table: 352
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: 1277
Number of instances of unregistered ASNs: 1313
Number of 32-bit ASNs allocated by the RIRs: 46790
Number of 32-bit ASNs visible in the Routing Table: 38534
Prefixes from 32-bit ASNs in the Routing Table: 205123
Number of bogon 32-bit ASNs visible in the Routing Table: 121
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 447
Number of addresses announced to Internet: 3105158144
Equivalent to 185 /8s, 20 /16s and 244 /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: 322506
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 261040
Total APNIC prefixes after maximum aggregation: 77742
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 251831
Unique aggregates announced from the APNIC address blocks: 104802
APNIC Region origin ASes present in the Internet Routing Table: 14695
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: 1976
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: 10224
Number of APNIC addresses announced to Internet: 748945920
Equivalent to 44 /8s, 164 /16s and 2 /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: 290647
Total ARIN prefixes after maximum aggregation: 131782
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292645
Unique aggregates announced from the ARIN address blocks: 140631
ARIN Region origin ASes present in the Internet Routing Table: 19210
ARIN Prefixes per ASN: 15.23
ARIN Region origin ASes announcing only one prefix: 7026
ARIN Region transit ASes present in the Internet Routing Table: 1990
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: 5250
Number of ARIN addresses announced to Internet: 1348840448
Equivalent to 80 /8s, 101 /16s and 172 /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: 276387
Total RIPE prefixes after maximum aggregation: 135802
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 275317
Unique aggregates announced from the RIPE address blocks: 176903
RIPE Region origin ASes present in the Internet Routing Table: 28937
RIPE Prefixes per ASN: 9.51
RIPE Region origin ASes announcing only one prefix: 12042
RIPE Region transit ASes present in the Internet Routing Table: 3980
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: 12543
Number of RIPE addresses announced to Internet: 731151360
Equivalent to 43 /8s, 148 /16s and 124 /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: 124384
Total LACNIC prefixes after maximum aggregation: 29720
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120710
Unique aggregates announced from the LACNIC address blocks: 49062
LACNIC Region origin ASes present in the Internet Routing Table: 11275
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2659
LACNIC Region transit ASes present in the Internet Routing Table: 2522
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: 9236
Number of LACNIC addresses announced to Internet: 171182592
Equivalent to 10 /8s, 52 /16s and 10 /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: 32493
Total AfriNIC prefixes after maximum aggregation: 6697
AfriNIC Deaggregation factor: 4.85
Prefixes being announced from the AfriNIC address blocks: 45277
Unique aggregates announced from the AfriNIC address blocks: 13799
AfriNIC Region origin ASes present in the Internet Routing Table: 1914
AfriNIC Prefixes per ASN: 23.66
AfriNIC Region origin ASes announcing only one prefix: 692
AfriNIC Region transit ASes present in the Internet Routing Table: 382
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1281
Number of AfriNIC addresses announced to Internet: 104784128
Equivalent to 6 /8s, 62 /16s and 225 /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 6147 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4466 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4361 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3922 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3701 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3280 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 2183 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 13655 40958 5250 AMAZON-02, US
11492 4788 317 606 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
22773 3607 3039 210 ASN-CXA-ALL-CCI-22773-RDC, US
174 3465 8769 847 COGENT-174, US
749 3225 54767 2476 DNIC-AS-00749, US
396982 3195 3854 432 GOOGLE-CLOUD-PLATFORM, US
16625 3108 1309 2249 AKAMAI-AS, US
4155 2848 216 1739 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 3776 359 2107 M247, RO
12389 3119 2317 875 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2401 361 581 TELLCOM-AS, TR
212238 2347 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 12294 3255 574 UNINET, MX
10620 3512 481 1022 Telmex Colombia S.A., CO
13999 2530 538 352 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1367 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
11664 1188 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1053 70 379 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 1195 633 33 RAYA-AS, EG
36992 925 1438 305 ETISALAT-MISR, EG
36935 759 520 39 Vodafone-, EG
24863 652 389 22 LINKdotNET-AS, EG
37069 600 1112 11 MOBINIL, EG
36914 571 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 13655 40958 5250 AMAZON-02, US
8151 12294 3255 574 UNINET, MX
9808 11755 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7638 1713 150 UNI2-AS, ES
7545 6147 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4788 317 606 CABLEONE, US
18403 4466 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4361 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 12294 11720 UNINET, MX
9808 11755 11639 CHINAMOBILE-CN China Mobile Communications Grou
12479 7638 7488 UNI2-AS, ES
7545 6147 5525 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4466 4441 FPT-AS-AP FPT Telecom Company, VN
11492 4788 4182 CABLEONE, US
9498 4361 4049 BBIL-AP BHARTI Airtel Ltd., IN
20940 4080 3953 AKAMAI-ASN1, NL
7552 3922 3895 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 /16:13754 /17:8224 /18:13438
/19:24462 /20:43445 /21:51574 /22:110940 /23:102777 /24:613221
/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 6517 12294 UNINET, MX
11492 3582 4788 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2736 3607 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2342 13655 AMAZON-02, US
30036 2272 2614 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2199 3512 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)
----------------------------------------------
1:2397 2:1530 3:851 4:10 5:4738 6:162
7:6 8:1558 9:1 11:172 12:1342 13:457
14:2554 15:366 16:285 17:377 18:896 20:556
21:4 22:188 23:7760 24:2729 25:2 27:2802
29:19 31:3322 32:35 33:1 34:80 35:256
36:3526 37:4586 38:9415 39:908 40:251 41:4122
42:1955 43:2680 44:375 45:18521 46:5107 47:335
49:1886 50:1896 51:592 52:1553 54:324 55:1107
56:11 57:273 58:2188 59:1187 60:1174 61:2789
62:2882 63:1798 64:5528 65:2056 66:4722 67:3105
68:1126 69:3891 70:1107 71:630 72:2871 74:2795
75:1509 76:608 77:2762 78:1920 79:1716 80:2193
81:2072 82:3167 83:1446 84:1865 85:3462 86:1087
87:2140 88:1347 89:4424 90:774 91:8417 92:2754
93:2943 94:4099 95:4412 96:1466 97:310 98:1005
99:697 100:72 101:1181 102:3876 103:32272 104:5261
105:780 106:975 107:2661 108:1256 109:4162 110:2231
111:3272 112:2219 113:1840 114:1952 115:2253 116:2058
117:2595 118:2985 119:1916 120:2116 121:1332 122:2787
123:2227 124:1631 125:2877 126:91 128:1615 129:962
130:1295 131:2062 132:776 133:450 134:1580 135:349
136:1431 137:1269 138:2838 139:1594 140:1632 141:1528
142:1917 143:1960 144:1176 145:561 146:2179 147:2103
148:2702 149:2936 150:1228 151:2213 152:2078 153:591
154:7662 155:1820 156:3048 157:1933 158:1342 159:2498
160:3630 161:1855 162:3886 163:2240 164:1870 165:2079
166:1511 167:2022 168:3985 169:785 170:5125 171:1007
172:4439 173:3360 174:927 175:1326 176:3706 177:4723
178:3949 179:2309 180:2610 181:4109 182:3494 183:2143
184:2101 185:21572 186:5230 187:4612 188:4266 189:4324
190:9550 191:1481 192:11332 193:9479 194:7781 195:5574
196:3271 197:3146 198:6111 199:8550 200:8236 201:6350
202:10363 203:10645 204:4580 205:3624 206:4528 207:3539
208:4290 209:5111 210:4612 211:2572 212:4557 213:3790
214:1021 215:46 216:6782 217:3171 218:1361 219:393
220:2142 221:1186 222:713 223:2610
End of report
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