[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jul 13 21:40:02 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 13 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: 987094
Prefixes after maximum aggregation (per Origin AS): 382748
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 485875
Number of IPv4 prefixes with a valid ROA: 555072
Number of IPv4 prefixes with an invalid ROA: 176
Number of IPv4 prefixes with no ROA: 431846
Total ASes present in the Internet Routing Table: 77024
Prefixes per ASN: 12.82
Origin-only ASes present in the Internet Routing Table: 65972
Origin ASes announcing only one prefix: 26897
Transit ASes present in the Internet Routing Table: 11052
Transit-only ASes present in the Internet Routing Table: 559
Paths with bogon ASNs present in the IPv4 Routing Table: 328
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: 46830
Number of 32-bit ASNs visible in the Routing Table: 38536
Prefixes from 32-bit ASNs in the Routing Table: 205204
Number of bogon 32-bit ASNs visible in the Routing Table: 109
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 472
Number of addresses announced to Internet: 3105305856
Equivalent to 185 /8s, 23 /16s and 53 /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: 322701
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260997
Total APNIC prefixes after maximum aggregation: 77712
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 251906
Unique aggregates announced from the APNIC address blocks: 104806
APNIC Region origin ASes present in the Internet Routing Table: 14692
APNIC Prefixes per ASN: 17.15
APNIC Region origin ASes announcing only one prefix: 4477
APNIC Region transit ASes present in the Internet Routing Table: 1975
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: 748956160
Equivalent to 44 /8s, 164 /16s and 42 /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: 290748
Total ARIN prefixes after maximum aggregation: 131877
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292763
Unique aggregates announced from the ARIN address blocks: 140724
ARIN Region origin ASes present in the Internet Routing Table: 19219
ARIN Prefixes per ASN: 15.23
ARIN Region origin ASes announcing only one prefix: 7030
ARIN Region transit ASes present in the Internet Routing Table: 1994
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: 5251
Number of ARIN addresses announced to Internet: 1348773888
Equivalent to 80 /8s, 100 /16s and 168 /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: 276563
Total RIPE prefixes after maximum aggregation: 135824
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 275377
Unique aggregates announced from the RIPE address blocks: 176978
RIPE Region origin ASes present in the Internet Routing Table: 28932
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12034
RIPE Region transit ASes present in the Internet Routing Table: 3987
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: 12545
Number of RIPE addresses announced to Internet: 731169536
Equivalent to 43 /8s, 148 /16s and 195 /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: 124321
Total LACNIC prefixes after maximum aggregation: 29744
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 120659
Unique aggregates announced from the LACNIC address blocks: 49080
LACNIC Region origin ASes present in the Internet Routing Table: 11276
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2663
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: 9232
Number of LACNIC addresses announced to Internet: 171194368
Equivalent to 10 /8s, 52 /16s and 56 /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: 33210
Total AfriNIC prefixes after maximum aggregation: 6744
AfriNIC Deaggregation factor: 4.92
Prefixes being announced from the AfriNIC address blocks: 45916
Unique aggregates announced from the AfriNIC address blocks: 13872
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 23.90
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: 1284
Number of AfriNIC addresses announced to Internet: 104952832
Equivalent to 6 /8s, 65 /16s and 116 /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 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4513 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4361 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3924 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 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 13660 40960 5256 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 3466 8769 847 COGENT-174, US
749 3225 54767 2476 DNIC-AS-00749, US
396982 3195 3854 432 GOOGLE-CLOUD-PLATFORM, US
16625 3107 1308 2248 AKAMAI-AS, US
4155 2854 217 1722 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 2402 361 582 TELLCOM-AS, TR
212238 2342 167 1710 CDNEXT, GB
8452 1607 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
203020 1475 164 648 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 12296 3255 573 UNINET, MX
10620 3513 481 1023 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 1368 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 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 1647 633 33 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36992 1192 1474 353 ETISALAT-MISR, EG
36935 748 520 39 Vodafone-, EG
24863 659 389 22 LINKdotNET-AS, EG
37069 600 1112 11 MOBINIL, EG
20011 568 154 212 INTERNET-SOLUTIONS, ZA
36914 565 82 3 KENET-AS, KE
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 13660 40960 5256 AMAZON-02, US
8151 12296 3255 573 UNINET, MX
9808 11755 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7638 1713 150 UNI2-AS, ES
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4788 317 606 CABLEONE, US
18403 4513 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 12296 11723 UNINET, MX
9808 11755 11639 CHINAMOBILE-CN China Mobile Communications Grou
12479 7638 7488 UNI2-AS, ES
7545 6148 5525 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4513 4488 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 3924 3897 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
/13:582 /14:1210 /15:2148 /16:13754 /17:8223 /18:13483
/19:24487 /20:43524 /21:51680 /22:111326 /23:102786 /24:613429
/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 6519 12296 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 13660 AMAZON-02, US
30036 2272 2614 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2200 3513 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 2:1529 3:851 4:10 5:4737 6:162
7:6 8:1556 9:1 11:172 12:1340 13:457
14:2554 15:366 16:285 17:377 18:898 20:556
21:4 22:188 23:7761 24:2729 25:2 27:2814
29:19 31:3321 32:35 33:1 34:80 35:256
36:3526 37:4589 38:9415 39:908 40:250 41:4123
42:1997 43:2677 44:374 45:18503 46:5112 47:335
49:1886 50:1949 51:592 52:1554 54:324 55:1107
56:11 57:273 58:2188 59:1187 60:1174 61:2788
62:2942 63:1796 64:5534 65:2056 66:4728 67:3105
68:1127 69:3891 70:1107 71:631 72:2872 74:2796
75:1509 76:608 77:2761 78:1919 79:1713 80:2193
81:2074 82:3167 83:1441 84:1881 85:3464 86:1082
87:2139 88:1347 89:4417 90:774 91:8418 92:2750
93:2945 94:4106 95:4428 96:1467 97:310 98:1005
99:697 100:72 101:1181 102:3909 103:32272 104:5276
105:786 106:975 107:2661 108:1257 109:4163 110:2232
111:3272 112:2219 113:1841 114:1952 115:2253 116:2058
117:2595 118:2986 119:1916 120:2115 121:1331 122:2789
123:2227 124:1632 125:2877 126:91 128:1615 129:965
130:1296 131:2061 132:770 133:450 134:1578 135:347
136:1433 137:1270 138:2837 139:1592 140:1632 141:1536
142:1912 143:1949 144:1180 145:561 146:2179 147:2102
148:2699 149:2937 150:1228 151:2223 152:2078 153:591
154:7573 155:1823 156:3047 157:1934 158:1342 159:2497
160:3622 161:1855 162:3887 163:2246 164:1867 165:2080
166:1513 167:2021 168:3984 169:785 170:5119 171:1007
172:4436 173:3387 174:927 175:1328 176:3705 177:4718
178:3948 179:2309 180:2609 181:4098 182:3497 183:2144
184:2102 185:21569 186:5200 187:4617 188:4266 189:4316
190:9549 191:1480 192:11339 193:9479 194:7779 195:5571
196:3283 197:3147 198:6122 199:8559 200:8230 201:6389
202:10361 203:10640 204:4590 205:3623 206:4526 207:3536
208:4289 209:5110 210:4614 211:2572 212:4557 213:3800
214:1032 215:46 216:6780 217:3177 218:1362 219:393
220:2142 221:1186 222:713 223:2610
End of report
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