[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jun 11 21:38:57 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Wed 11 Jun, 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: 986016
Prefixes after maximum aggregation (per Origin AS): 380218
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482200
Number of IPv4 prefixes with a valid ROA: 550159
Number of IPv4 prefixes with an invalid ROA: 186
Number of IPv4 prefixes with no ROA: 435671
Total ASes present in the Internet Routing Table: 76979
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65950
Origin ASes announcing only one prefix: 26905
Transit ASes present in the Internet Routing Table: 11029
Transit-only ASes present in the Internet Routing Table: 556
Paths with bogon ASNs present in the IPv4 Routing Table: 316
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 53
Max AS path prepend of ASN (139693) 35
Prefixes from unregistered ASNs in the Routing Table: 1275
Number of instances of unregistered ASNs: 1309
Number of 32-bit ASNs allocated by the RIRs: 46620
Number of 32-bit ASNs visible in the Routing Table: 38376
Prefixes from 32-bit ASNs in the Routing Table: 203559
Number of bogon 32-bit ASNs visible in the Routing Table: 100
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 458
Number of addresses announced to Internet: 3109536768
Equivalent to 185 /8s, 87 /16s and 196 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 322830
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258507
Total APNIC prefixes after maximum aggregation: 77111
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249993
Unique aggregates announced from the APNIC address blocks: 104350
APNIC Region origin ASes present in the Internet Routing Table: 14619
APNIC Prefixes per ASN: 17.10
APNIC Region origin ASes announcing only one prefix: 4451
APNIC Region transit ASes present in the Internet Routing Table: 1963
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 40
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10147
Number of APNIC addresses announced to Internet: 747911168
Equivalent to 44 /8s, 148 /16s and 56 /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: 290741
Total ARIN prefixes after maximum aggregation: 131126
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292623
Unique aggregates announced from the ARIN address blocks: 139349
ARIN Region origin ASes present in the Internet Routing Table: 19226
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7027
ARIN Region transit ASes present in the Internet Routing Table: 1992
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: 5229
Number of ARIN addresses announced to Internet: 1353108736
Equivalent to 80 /8s, 166 /16s and 205 /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: 275441
Total RIPE prefixes after maximum aggregation: 134849
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273957
Unique aggregates announced from the RIPE address blocks: 175640
RIPE Region origin ASes present in the Internet Routing Table: 28956
RIPE Prefixes per ASN: 9.46
RIPE Region origin ASes announcing only one prefix: 12065
RIPE Region transit ASes present in the Internet Routing Table: 4000
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12504
Number of RIPE addresses announced to Internet: 731395584
Equivalent to 43 /8s, 152 /16s and 54 /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: 124425
Total LACNIC prefixes after maximum aggregation: 29565
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 120726
Unique aggregates announced from the LACNIC address blocks: 48962
LACNIC Region origin ASes present in the Internet Routing Table: 11263
LACNIC Prefixes per ASN: 10.72
LACNIC Region origin ASes announcing only one prefix: 2664
LACNIC Region transit ASes present in the Internet Routing Table: 2503
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: 9211
Number of LACNIC addresses announced to Internet: 171865600
Equivalent to 10 /8s, 62 /16s and 118 /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: 35627
Total AfriNIC prefixes after maximum aggregation: 6715
AfriNIC Deaggregation factor: 5.31
Prefixes being announced from the AfriNIC address blocks: 48258
Unique aggregates announced from the AfriNIC address blocks: 13493
AfriNIC Region origin ASes present in the Internet Routing Table: 1920
AfriNIC Prefixes per ASN: 25.13
AfriNIC Region origin ASes announcing only one prefix: 698
AfriNIC Region transit ASes present in the Internet Routing Table: 374
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1285
Number of AfriNIC addresses announced to Internet: 105042176
Equivalent to 6 /8s, 66 /16s and 209 /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 11077 8758 100 CHINAMOBILE-CN China Mobile Communication
7545 6174 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4512 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4306 534 304 BBIL-AP BHARTI Airtel Ltd., IN
7552 3928 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3271 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2881 854 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4755 2176 434 193 TATACOMM-AS TATA Communications formerly
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
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 13706 40940 5243 AMAZON-02, US
11492 4762 316 595 CABLEONE, US
7155 3863 286 85 VIASAT-SP-BACKBONE, US
6327 3631 1320 81 SHAW, CA
22773 3605 3037 211 ASN-CXA-ALL-CCI-22773-RDC, US
174 3539 8745 884 COGENT-174, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3184 3854 425 GOOGLE-CLOUD-PLATFORM, US
16625 3146 1314 2263 AKAMAI-AS, US
36352 2813 230 856 AS-COLOCROSSING, 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 7700 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4063 3395 127 AKAMAI-ASN1, NL
9009 3885 357 2088 M247, RO
12389 3106 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 578 TELLCOM-AS, TR
212238 2261 164 1649 CDNEXT, GB
8452 1636 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1414 94 738 CLOUVIDER Clouvider - Global ASN, GB
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 12202 3257 583 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2491 541 361 Mega Cable, S.A. de C.V., MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
28573 1371 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1200 371 22 Telefonica del Peru S.A.A., PE
11664 1196 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1063 70 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1041 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 1820 644 27 RAYA-AS, EG
24863 1634 389 17 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1248 553 105 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1066 523 47 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 564 82 3 KENET-AS, KE
15399 530 56 53 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 13706 40940 5243 AMAZON-02, US
8151 12202 3257 583 UNINET, MX
9808 11077 8758 100 CHINAMOBILE-CN China Mobile Communication
12479 7700 1714 148 UNI2-AS, ES
7545 6174 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4762 316 595 CABLEONE, US
18403 4512 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4306 534 304 BBIL-AP BHARTI Airtel Ltd., IN
20940 4063 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 12202 11619 UNINET, MX
9808 11077 10977 CHINAMOBILE-CN China Mobile Communications Grou
12479 7700 7552 UNI2-AS, ES
7545 6174 5523 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4512 4487 FPT-AS-AP FPT Telecom Company, VN
11492 4762 4167 CABLEONE, US
9498 4306 4002 BBIL-AP BHARTI Airtel Ltd., IN
20940 4063 3936 AKAMAI-ASN1, NL
7552 3928 3902 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
398728 UNALLOCATED 8.10.134.0/24 174 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
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
394804 UNALLOCATED 8.33.225.0/24 3356 LEVEL3, US
54338 UNALLOCATED 8.33.241.0/24 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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /12:299
/13:584 /14:1220 /15:2164 /16:13895 /17:8266 /18:13699
/19:24597 /20:44064 /21:51805 /22:112205 /23:102764 /24:610290
/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 6617 7700 UNI2-AS, ES
8151 6407 12202 UNINET, MX
11492 3559 4762 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3631 SHAW, CA
7155 2822 3863 VIASAT-SP-BACKBONE, US
22773 2733 3605 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2379 13706 AMAZON-02, US
30036 2249 2591 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2186 3499 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)
----------------------------------------------
1:2370 2:1516 3:817 4:10 5:4721 6:162
7:6 8:1573 9:1 11:172 12:1350 13:455
14:2520 15:358 16:285 17:376 18:921 20:545
21:4 22:188 23:7625 24:2878 25:2 27:2786
29:19 31:3290 32:36 33:1 34:80 35:254
36:3082 37:4604 38:9297 39:910 40:172 41:4172
42:2027 43:2606 44:382 45:18585 46:5117 47:318
49:1941 50:1882 51:591 52:1569 54:328 55:1087
56:11 57:267 58:2217 59:1184 60:1171 61:2797
62:2938 63:1802 64:5468 65:2068 66:4648 67:3067
68:1157 69:3947 70:1137 71:635 72:2850 74:2801
75:1518 76:616 77:2714 78:1909 79:1719 80:2224
81:2052 82:3158 83:1450 84:1874 85:3459 86:1077
87:2142 88:1333 89:4410 90:772 91:8400 92:2728
93:2913 94:4030 95:4366 96:1465 97:311 98:1020
99:698 100:73 101:1409 102:3843 103:32273 104:5138
105:765 106:1034 107:2690 108:1241 109:4083 110:2233
111:3276 112:2130 113:1805 114:1990 115:2140 116:2058
117:2569 118:2895 119:1909 120:1997 121:1382 122:2777
123:2198 124:1585 125:2861 126:91 128:1614 129:967
130:1307 131:2011 132:781 133:449 134:1534 135:334
136:1351 137:1262 138:2842 139:1604 140:1601 141:1504
142:1899 143:1840 144:1127 145:541 146:2182 147:2114
148:2711 149:2888 150:1252 151:1970 152:2099 153:578
154:7471 155:1741 156:3017 157:1923 158:1321 159:2493
160:3603 161:1856 162:3844 163:2211 164:1858 165:1978
166:1496 167:1963 168:4020 169:799 170:5119 171:1026
172:4468 173:3322 174:926 175:1304 176:3705 177:4685
178:3716 179:2301 180:2638 181:4083 182:3446 183:2103
184:2124 185:21602 186:5179 187:4504 188:4249 189:4280
190:9587 191:1486 192:11320 193:9485 194:7813 195:5550
196:3291 197:3664 198:6124 199:8509 200:8219 201:6370
202:10289 203:10666 204:4553 205:3614 206:4508 207:3536
208:4262 209:5112 210:4613 211:2534 212:4580 213:3739
214:1033 215:48 216:6783 217:3171 218:1357 219:389
220:2081 221:1136 222:724 223:2449
End of report
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