[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jul 19 21:40:05 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 19 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: 988906
Prefixes after maximum aggregation (per Origin AS): 383051
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 486967
Number of IPv4 prefixes with a valid ROA: 556020
Number of IPv4 prefixes with an invalid ROA: 169
Number of IPv4 prefixes with no ROA: 432717
Total ASes present in the Internet Routing Table: 77068
Prefixes per ASN: 12.83
Origin-only ASes present in the Internet Routing Table: 66001
Origin ASes announcing only one prefix: 26932
Transit ASes present in the Internet Routing Table: 11067
Transit-only ASes present in the Internet Routing Table: 561
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 ( 7438) 33
Prefixes from unregistered ASNs in the Routing Table: 1255
Number of instances of unregistered ASNs: 1291
Number of 32-bit ASNs allocated by the RIRs: 46890
Number of 32-bit ASNs visible in the Routing Table: 38591
Prefixes from 32-bit ASNs in the Routing Table: 205530
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: 446
Number of addresses announced to Internet: 3106963712
Equivalent to 185 /8s, 48 /16s and 129 /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: 322754
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 261325
Total APNIC prefixes after maximum aggregation: 77721
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 252326
Unique aggregates announced from the APNIC address blocks: 104933
APNIC Region origin ASes present in the Internet Routing Table: 14715
APNIC Prefixes per ASN: 17.15
APNIC Region origin ASes announcing only one prefix: 4510
APNIC Region transit ASes present in the Internet Routing Table: 1984
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: 10257
Number of APNIC addresses announced to Internet: 749059840
Equivalent to 44 /8s, 165 /16s and 191 /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: 290818
Total ARIN prefixes after maximum aggregation: 131977
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292601
Unique aggregates announced from the ARIN address blocks: 141185
ARIN Region origin ASes present in the Internet Routing Table: 19230
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7036
ARIN Region transit ASes present in the Internet Routing Table: 1998
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: 5258
Number of ARIN addresses announced to Internet: 1349310208
Equivalent to 80 /8s, 108 /16s and 215 /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: 276500
Total RIPE prefixes after maximum aggregation: 136076
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275532
Unique aggregates announced from the RIPE address blocks: 177428
RIPE Region origin ASes present in the Internet Routing Table: 28947
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12044
RIPE Region transit ASes present in the Internet Routing Table: 3994
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: 12560
Number of RIPE addresses announced to Internet: 732216064
Equivalent to 43 /8s, 164 /16s and 187 /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: 124519
Total LACNIC prefixes after maximum aggregation: 29712
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120841
Unique aggregates announced from the LACNIC address blocks: 49179
LACNIC Region origin ASes present in the Internet Routing Table: 11257
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2647
LACNIC Region transit ASes present in the Internet Routing Table: 2529
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: 171082240
Equivalent to 10 /8s, 50 /16s and 130 /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: 34489
Total AfriNIC prefixes after maximum aggregation: 6731
AfriNIC Deaggregation factor: 5.12
Prefixes being announced from the AfriNIC address blocks: 47159
Unique aggregates announced from the AfriNIC address blocks: 13868
AfriNIC Region origin ASes present in the Internet Routing Table: 1926
AfriNIC Prefixes per ASN: 24.49
AfriNIC Region origin ASes announcing only one prefix: 695
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: 1292
Number of AfriNIC addresses announced to Internet: 105048064
Equivalent to 6 /8s, 66 /16s and 232 /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 6158 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4479 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 2184 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 13694 40976 5282 AMAZON-02, US
11492 4810 319 622 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3446 8771 858 COGENT-174, US
22773 3341 3031 165 ASN-CXA-ALL-CCI-22773-RDC, US
749 3223 54766 2474 DNIC-AS-00749, US
396982 3196 3855 432 GOOGLE-CLOUD-PLATFORM, US
16625 3066 1298 2225 AKAMAI-AS, US
4155 2864 217 1731 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 7602 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4036 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 1545 1852 14 TE-AS TE-AS, EG
203020 1475 163 648 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 12307 3255 574 UNINET, MX
10620 3514 482 1020 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 1201 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1195 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 1733 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36992 1221 1482 324 ETISALAT-MISR, EG
24863 1213 389 22 LINKdotNET-AS, EG
37069 1101 1112 11 MOBINIL, EG
36935 822 520 43 Vodafone-, EG
36914 578 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 13694 40976 5282 AMAZON-02, US
8151 12307 3255 574 UNINET, MX
9808 11823 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7602 1712 148 UNI2-AS, ES
7545 6158 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4810 319 622 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4479 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4445 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4036 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 12307 11733 UNINET, MX
9808 11823 11707 CHINAMOBILE-CN China Mobile Communications Grou
12479 7602 7454 UNI2-AS, ES
7545 6158 5536 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4479 4454 FPT-AS-AP FPT Telecom Company, VN
11492 4810 4188 CABLEONE, US
9498 4445 4134 BBIL-AP BHARTI Airtel Ltd., IN
20940 4036 3909 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 /17:8224 /18:13499
/19:24547 /20:43966 /21:51718 /22:111774 /23:102774 /24:614215
/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 6544 7602 UNI2-AS, ES
8151 6527 12307 UNINET, MX
11492 3604 4810 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2494 3341 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2352 13694 AMAZON-02, US
30036 2270 2611 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2201 3514 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)
----------------------------------------------
1:2405 2:1526 3:854 4:10 5:4759 6:163
7:6 8:1551 9:1 11:172 12:1335 13:458
14:2558 15:365 16:286 17:379 18:896 20:558
21:4 22:188 23:7738 24:2724 25:2 27:2821
29:19 31:3342 32:35 33:1 34:80 35:257
36:3630 37:4566 38:9422 39:911 40:253 41:4210
42:1979 43:2677 44:373 45:18577 46:5108 47:336
49:1869 50:1949 51:591 52:1554 54:327 55:1113
56:11 57:274 58:2176 59:1277 60:1174 61:2790
62:2968 63:1799 64:5533 65:2161 66:4716 67:3102
68:1085 69:3901 70:1043 71:631 72:2850 74:2792
75:1507 76:602 77:2759 78:1922 79:1691 80:2200
81:2052 82:3192 83:1442 84:1888 85:3467 86:1087
87:2133 88:1348 89:4422 90:778 91:8417 92:2701
93:2950 94:4067 95:4421 96:1467 97:310 98:955
99:696 100:71 101:1181 102:3889 103:32247 104:5212
105:770 106:970 107:2639 108:1181 109:4166 110:2233
111:3309 112:2235 113:1841 114:1953 115:2254 116:2062
117:2582 118:2985 119:1890 120:2144 121:1332 122:2791
123:2241 124:1643 125:2877 126:91 128:1620 129:966
130:1301 131:2049 132:773 133:450 134:1644 135:350
136:1452 137:1263 138:2819 139:1586 140:1636 141:1514
142:1907 143:1989 144:1179 145:562 146:2171 147:2102
148:2711 149:2937 150:1224 151:2226 152:2072 153:591
154:7552 155:1847 156:3081 157:1953 158:1349 159:2513
160:3627 161:1902 162:3866 163:2254 164:1845 165:2351
166:1520 167:2023 168:3988 169:787 170:5125 171:1006
172:4246 173:3388 174:918 175:1324 176:3722 177:4712
178:3928 179:2304 180:2600 181:4127 182:3505 183:2149
184:2082 185:21609 186:5216 187:4660 188:4273 189:4324
190:9557 191:1501 192:11348 193:9476 194:7769 195:5584
196:3301 197:3197 198:6127 199:8598 200:8222 201:6387
202:10374 203:10668 204:4651 205:3597 206:4530 207:3549
208:4290 209:5134 210:4596 211:2590 212:4556 213:3835
214:1021 215:46 216:6731 217:3217 218:1365 219:393
220:2141 221:1193 222:743 223:2674
End of report
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