[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jul 17 21:39:59 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 17 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: 987333
Prefixes after maximum aggregation (per Origin AS): 382922
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 486687
Number of IPv4 prefixes with a valid ROA: 555663
Number of IPv4 prefixes with an invalid ROA: 168
Number of IPv4 prefixes with no ROA: 431502
Total ASes present in the Internet Routing Table: 77058
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65981
Origin ASes announcing only one prefix: 26910
Transit ASes present in the Internet Routing Table: 11077
Transit-only ASes present in the Internet Routing Table: 568
Paths with bogon ASNs present in the IPv4 Routing Table: 318
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 53
Max AS path prepend of ASN (264930) 33
Prefixes from unregistered ASNs in the Routing Table: 1251
Number of instances of unregistered ASNs: 1287
Number of 32-bit ASNs allocated by the RIRs: 46856
Number of 32-bit ASNs visible in the Routing Table: 38581
Prefixes from 32-bit ASNs in the Routing Table: 205429
Number of bogon 32-bit ASNs visible in the Routing Table: 105
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 464
Number of addresses announced to Internet: 3106296064
Equivalent to 185 /8s, 38 /16s and 81 /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: 322483
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 261206
Total APNIC prefixes after maximum aggregation: 77763
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 252258
Unique aggregates announced from the APNIC address blocks: 105077
APNIC Region origin ASes present in the Internet Routing Table: 14701
APNIC Prefixes per ASN: 17.16
APNIC Region origin ASes announcing only one prefix: 4493
APNIC Region transit ASes present in the Internet Routing Table: 1987
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: 10241
Number of APNIC addresses announced to Internet: 749015296
Equivalent to 44 /8s, 165 /16s and 17 /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: 290564
Total ARIN prefixes after maximum aggregation: 131853
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292420
Unique aggregates announced from the ARIN address blocks: 140934
ARIN Region origin ASes present in the Internet Routing Table: 19220
ARIN Prefixes per ASN: 15.21
ARIN Region origin ASes announcing only one prefix: 7028
ARIN Region transit ASes present in the Internet Routing Table: 2000
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: 5253
Number of ARIN addresses announced to Internet: 1349128704
Equivalent to 80 /8s, 106 /16s and 18 /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: 276656
Total RIPE prefixes after maximum aggregation: 136010
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275636
Unique aggregates announced from the RIPE address blocks: 177331
RIPE Region origin ASes present in the Internet Routing Table: 28950
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12046
RIPE Region transit ASes present in the Internet Routing Table: 3993
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: 12564
Number of RIPE addresses announced to Internet: 732030464
Equivalent to 43 /8s, 161 /16s and 230 /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: 124367
Total LACNIC prefixes after maximum aggregation: 29718
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 120680
Unique aggregates announced from the LACNIC address blocks: 49103
LACNIC Region origin ASes present in the Internet Routing Table: 11268
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2650
LACNIC Region transit ASes present in the Internet Routing Table: 2532
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 38
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9230
Number of LACNIC addresses announced to Internet: 171024128
Equivalent to 10 /8s, 49 /16s and 159 /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: 33289
Total AfriNIC prefixes after maximum aggregation: 6728
AfriNIC Deaggregation factor: 4.95
Prefixes being announced from the AfriNIC address blocks: 45874
Unique aggregates announced from the AfriNIC address blocks: 13824
AfriNIC Region origin ASes present in the Internet Routing Table: 1924
AfriNIC Prefixes per ASN: 23.84
AfriNIC Region origin ASes announcing only one prefix: 693
AfriNIC Region transit ASes present in the Internet Routing Table: 380
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: 1293
Number of AfriNIC addresses announced to Internet: 104774400
Equivalent to 6 /8s, 62 /16s and 187 /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 6146 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4482 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4445 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 3278 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 434 193 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 13690 40965 5282 AMAZON-02, US
11492 4812 319 611 CABLEONE, US
7155 3856 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3456 8769 856 COGENT-174, US
22773 3342 3032 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3223 54766 2474 DNIC-AS-00749, US
396982 3196 3855 432 GOOGLE-CLOUD-PLATFORM, US
16625 3065 1298 2227 AKAMAI-AS, US
4155 2864 217 1727 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 7601 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4049 3395 127 AKAMAI-ASN1, NL
9009 3787 361 2108 M247, RO
12389 3119 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 582 TELLCOM-AS, TR
212238 2323 164 1691 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1558 1852 14 TE-AS TE-AS, EG
203020 1476 164 649 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 12284 3255 573 UNINET, MX
10620 3512 481 1022 Telmex Colombia S.A., CO
13999 2530 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,
6147 1195 371 21 Telefonica del Peru S.A.A., PE
11664 1192 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1068 71 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1019 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 1690 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36992 1220 1482 322 ETISALAT-MISR, EG
36935 822 520 43 Vodafone-, EG
37069 702 1112 11 MOBINIL, EG
24863 660 389 22 LINKdotNET-AS, EG
36914 569 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 13690 40965 5282 AMAZON-02, US
8151 12284 3255 573 UNINET, MX
9808 11823 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7601 1712 148 UNI2-AS, ES
7545 6146 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4812 319 611 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4482 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4445 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4049 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 12284 11711 UNINET, MX
9808 11823 11707 CHINAMOBILE-CN China Mobile Communications Grou
12479 7601 7453 UNI2-AS, ES
7545 6146 5524 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4482 4457 FPT-AS-AP FPT Telecom Company, VN
11492 4812 4201 CABLEONE, US
9498 4445 4134 BBIL-AP BHARTI Airtel Ltd., IN
20940 4049 3922 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 /14:1209 /15:2140 /16:13756 /17:8215 /18:13482
/19:24479 /20:43570 /21:51654 /22:111269 /23:102735 /24:613780
/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 6543 7601 UNI2-AS, ES
8151 6508 12284 UNINET, MX
11492 3606 4812 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2815 3856 VIASAT-SP-BACKBONE, US
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2346 13690 AMAZON-02, US
30036 2270 2611 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 3:853 4:10 5:4745 6:163
7:6 8:1554 9:1 11:172 12:1335 13:458
14:2552 15:364 16:286 17:382 18:898 20:558
21:4 22:188 23:7729 24:2725 25:2 27:2830
29:19 31:3337 32:35 33:1 34:80 35:256
36:3597 37:4566 38:9432 39:910 40:253 41:4145
42:1974 43:2677 44:373 45:18524 46:5122 47:337
49:1875 50:1949 51:591 52:1554 54:324 55:1110
56:11 57:273 58:2182 59:1280 60:1173 61:2791
62:2944 63:1800 64:5519 65:2050 66:4708 67:3104
68:1086 69:3903 70:1043 71:630 72:2849 74:2790
75:1507 76:608 77:2764 78:1921 79:1707 80:2200
81:2078 82:3193 83:1434 84:1895 85:3465 86:1085
87:2126 88:1348 89:4419 90:778 91:8410 92:2759
93:2952 94:4074 95:4432 96:1464 97:309 98:956
99:696 100:71 101:1181 102:3919 103:32248 104:5213
105:743 106:970 107:2637 108:1181 109:4168 110:2231
111:3303 112:2235 113:1840 114:1958 115:2254 116:2061
117:2581 118:2986 119:1898 120:2144 121:1332 122:2785
123:2248 124:1640 125:2875 126:91 128:1622 129:965
130:1288 131:2047 132:774 133:450 134:1640 135:350
136:1462 137:1269 138:2821 139:1587 140:1631 141:1517
142:1905 143:1988 144:1186 145:562 146:2177 147:2104
148:2709 149:2938 150:1232 151:2230 152:2059 153:590
154:7539 155:1841 156:3042 157:1934 158:1345 159:2512
160:3627 161:1884 162:3862 163:2256 164:1869 165:2334
166:1520 167:2020 168:3958 169:783 170:5136 171:1007
172:4236 173:3386 174:919 175:1324 176:3722 177:4720
178:3945 179:2313 180:2603 181:4094 182:3510 183:2152
184:2083 185:21617 186:5217 187:4633 188:4274 189:4326
190:9557 191:1507 192:11348 193:9478 194:7773 195:5576
196:3275 197:3138 198:6114 199:8583 200:8221 201:6373
202:10387 203:10640 204:4649 205:3603 206:4531 207:3547
208:4287 209:5123 210:4596 211:2591 212:4558 213:3824
214:1022 215:46 216:6770 217:3215 218:1365 219:393
220:2142 221:1193 222:744 223:2673
End of report
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