[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jun 16 21:40:08 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 16 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: 985254
Prefixes after maximum aggregation (per Origin AS): 380918
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482125
Number of IPv4 prefixes with a valid ROA: 549827
Number of IPv4 prefixes with an invalid ROA: 184
Number of IPv4 prefixes with no ROA: 435243
Total ASes present in the Internet Routing Table: 76972
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65956
Origin ASes announcing only one prefix: 26911
Transit ASes present in the Internet Routing Table: 11016
Transit-only ASes present in the Internet Routing Table: 557
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: 1247
Number of instances of unregistered ASNs: 1281
Number of 32-bit ASNs allocated by the RIRs: 46662
Number of 32-bit ASNs visible in the Routing Table: 38386
Prefixes from 32-bit ASNs in the Routing Table: 203793
Number of bogon 32-bit ASNs visible in the Routing Table: 102
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 449
Number of addresses announced to Internet: 3105603328
Equivalent to 185 /8s, 27 /16s and 191 /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: 322760
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258479
Total APNIC prefixes after maximum aggregation: 77172
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249977
Unique aggregates announced from the APNIC address blocks: 104333
APNIC Region origin ASes present in the Internet Routing Table: 14627
APNIC Prefixes per ASN: 17.09
APNIC Region origin ASes announcing only one prefix: 4453
APNIC Region transit ASes present in the Internet Routing Table: 1966
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10153
Number of APNIC addresses announced to Internet: 747927040
Equivalent to 44 /8s, 148 /16s and 118 /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: 290533
Total ARIN prefixes after maximum aggregation: 131722
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292272
Unique aggregates announced from the ARIN address blocks: 139141
ARIN Region origin ASes present in the Internet Routing Table: 19237
ARIN Prefixes per ASN: 15.19
ARIN Region origin ASes announcing only one prefix: 7034
ARIN Region transit ASes present in the Internet Routing Table: 1995
Average ARIN Region AS path length visible: 5.1
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5235
Number of ARIN addresses announced to Internet: 1349984768
Equivalent to 80 /8s, 119 /16s and 34 /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: 275470
Total RIPE prefixes after maximum aggregation: 134896
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274073
Unique aggregates announced from the RIPE address blocks: 175736
RIPE Region origin ASes present in the Internet Routing Table: 28939
RIPE Prefixes per ASN: 9.47
RIPE Region origin ASes announcing only one prefix: 12067
RIPE Region transit ASes present in the Internet Routing Table: 3994
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: 12503
Number of RIPE addresses announced to Internet: 731144704
Equivalent to 43 /8s, 148 /16s and 98 /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: 123894
Total LACNIC prefixes after maximum aggregation: 29565
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120413
Unique aggregates announced from the LACNIC address blocks: 48984
LACNIC Region origin ASes present in the Internet Routing Table: 11258
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2658
LACNIC Region transit ASes present in the Internet Routing Table: 2501
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: 9209
Number of LACNIC addresses announced to Internet: 171276032
Equivalent to 10 /8s, 53 /16s and 119 /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: 35631
Total AfriNIC prefixes after maximum aggregation: 6725
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 48069
Unique aggregates announced from the AfriNIC address blocks: 13533
AfriNIC Region origin ASes present in the Internet Routing Table: 1925
AfriNIC Prefixes per ASN: 24.97
AfriNIC Region origin ASes announcing only one prefix: 699
AfriNIC Region transit ASes present in the Internet Routing Table: 376
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: 1286
Number of AfriNIC addresses announced to Internet: 105063424
Equivalent to 6 /8s, 67 /16s and 36 /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 11080 8758 100 CHINAMOBILE-CN China Mobile Communication
7545 6174 847 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4437 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4318 534 307 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3694 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3272 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2886 856 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4755 2177 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 13682 40938 5236 AMAZON-02, US
11492 4762 316 595 CABLEONE, US
7155 3862 286 85 VIASAT-SP-BACKBONE, US
6327 3635 1320 81 SHAW, CA
22773 3610 3037 212 ASN-CXA-ALL-CCI-22773-RDC, US
174 3540 8744 876 COGENT-174, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3187 3854 426 GOOGLE-CLOUD-PLATFORM, US
16625 3139 1313 2258 AKAMAI-AS, US
36352 2818 230 850 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 7697 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4064 3395 127 AKAMAI-ASN1, NL
9009 3889 358 2091 M247, RO
12389 3106 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 579 TELLCOM-AS, TR
212238 2282 167 1666 CDNEXT, GB
8452 1633 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1413 94 737 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 12197 3254 576 UNINET, MX
10620 3502 481 1019 Telmex Colombia S.A., CO
13999 2492 541 357 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,
11664 1204 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1201 371 22 Telefonica del Peru S.A.A., PE
22884 1064 70 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1048 2503 52 TIM SA, BR
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 1243 551 113 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1050 520 44 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 566 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 13682 40938 5236 AMAZON-02, US
8151 12197 3254 576 UNINET, MX
9808 11080 8758 100 CHINAMOBILE-CN China Mobile Communication
12479 7697 1713 148 UNI2-AS, ES
7545 6174 847 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4762 316 595 CABLEONE, US
18403 4437 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4318 534 307 BBIL-AP BHARTI Airtel Ltd., IN
20940 4064 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 12197 11621 UNINET, MX
9808 11080 10980 CHINAMOBILE-CN China Mobile Communications Grou
12479 7697 7549 UNI2-AS, ES
7545 6174 5523 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4437 4412 FPT-AS-AP FPT Telecom Company, VN
11492 4762 4167 CABLEONE, US
9498 4318 4011 BBIL-AP BHARTI Airtel Ltd., IN
20940 4064 3937 AKAMAI-ASN1, NL
7552 3923 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
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
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
23.140.68.0/24 Origin: 401753 BIXCE-AS, VG
23.140.68.0/24 Transit: 35661 VIRTUASYS-EU Lift weight. Push bytes. Ne
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
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 /12:300
/13:584 /14:1210 /15:2154 /16:13841 /17:8230 /18:13525
/19:24554 /20:43996 /21:51746 /22:112073 /23:102702 /24:610175
/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 7697 UNI2-AS, ES
8151 6414 12197 UNINET, MX
11492 3559 4762 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3431 3635 SHAW, CA
7155 2821 3862 VIASAT-SP-BACKBONE, US
22773 2738 3610 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2364 13682 AMAZON-02, US
10620 2189 3502 Telmex Colombia S.A., CO
30036 2032 2367 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/USP/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2373 2:1520 3:822 4:10 5:4757 6:160
7:6 8:1572 9:1 11:172 12:1346 13:454
14:2520 15:360 16:285 17:377 18:921 20:545
21:4 22:188 23:7639 24:2871 25:2 27:2784
29:19 31:3300 32:36 33:1 34:80 35:252
36:3090 37:4578 38:9359 39:907 40:166 41:4228
42:1988 43:2613 44:386 45:18556 46:5126 47:317
49:1939 50:1859 51:591 52:1571 54:329 55:1090
56:11 57:270 58:2218 59:1183 60:1171 61:2796
62:2936 63:1800 64:5465 65:2063 66:4666 67:3071
68:1157 69:3942 70:1131 71:632 72:2852 74:2802
75:1515 76:616 77:2721 78:1900 79:1719 80:2215
81:2066 82:3167 83:1448 84:1875 85:3462 86:1086
87:2144 88:1330 89:4409 90:768 91:8413 92:2731
93:2918 94:4002 95:4366 96:1468 97:311 98:1022
99:693 100:73 101:1409 102:3848 103:32267 104:5146
105:761 106:1034 107:2689 108:1245 109:4099 110:2228
111:3274 112:2122 113:1804 114:1989 115:2141 116:2060
117:2573 118:2883 119:1911 120:1999 121:1378 122:2781
123:2197 124:1587 125:2862 126:91 128:1614 129:952
130:1302 131:2043 132:781 133:449 134:1534 135:346
136:1351 137:1254 138:2851 139:1596 140:1604 141:1507
142:1900 143:1858 144:1170 145:544 146:2184 147:2107
148:2702 149:2903 150:1248 151:1976 152:2084 153:577
154:7319 155:1748 156:2977 157:1922 158:1326 159:2491
160:3606 161:1855 162:3854 163:2220 164:1855 165:1982
166:1492 167:1961 168:4016 169:795 170:5126 171:1023
172:4475 173:3235 174:927 175:1302 176:3708 177:4689
178:3724 179:2318 180:2637 181:4065 182:3448 183:2094
184:2125 185:21574 186:5177 187:4532 188:4265 189:4281
190:9595 191:1488 192:11317 193:9493 194:7804 195:5544
196:3303 197:3666 198:6120 199:8503 200:8218 201:6366
202:10251 203:10659 204:4555 205:3619 206:4477 207:3534
208:4279 209:5116 210:4606 211:2536 212:4579 213:3741
214:1031 215:48 216:6774 217:3169 218:1355 219:388
220:2078 221:1139 222:725 223:2466
End of report
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