[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jun 22 21:40:07 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sun 22 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: 985221
Prefixes after maximum aggregation (per Origin AS): 380357
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482452
Number of IPv4 prefixes with a valid ROA: 548991
Number of IPv4 prefixes with an invalid ROA: 252
Number of IPv4 prefixes with no ROA: 435978
Total ASes present in the Internet Routing Table: 76929
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65915
Origin ASes announcing only one prefix: 26888
Transit ASes present in the Internet Routing Table: 11014
Transit-only ASes present in the Internet Routing Table: 555
Paths with bogon ASNs present in the IPv4 Routing Table: 326
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: 1285
Number of instances of unregistered ASNs: 1323
Number of 32-bit ASNs allocated by the RIRs: 46701
Number of 32-bit ASNs visible in the Routing Table: 38377
Prefixes from 32-bit ASNs in the Routing Table: 204102
Number of bogon 32-bit ASNs visible in the Routing Table: 110
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 450
Number of addresses announced to Internet: 3104038656
Equivalent to 185 /8s, 3 /16s and 223 /24s
Percentage of available address space announced: 83.8
Percentage of allocated address space announced: 83.8
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: 322538
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 259020
Total APNIC prefixes after maximum aggregation: 77236
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 250397
Unique aggregates announced from the APNIC address blocks: 104422
APNIC Region origin ASes present in the Internet Routing Table: 14630
APNIC Prefixes per ASN: 17.12
APNIC Region origin ASes announcing only one prefix: 4450
APNIC Region transit ASes present in the Internet Routing Table: 1961
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: 10157
Number of APNIC addresses announced to Internet: 747596544
Equivalent to 44 /8s, 143 /16s and 107 /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: 290649
Total ARIN prefixes after maximum aggregation: 131192
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292605
Unique aggregates announced from the ARIN address blocks: 139465
ARIN Region origin ASes present in the Internet Routing Table: 19232
ARIN Prefixes per ASN: 15.21
ARIN Region origin ASes announcing only one prefix: 7033
ARIN Region transit ASes present in the Internet Routing Table: 1999
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: 5233
Number of ARIN addresses announced to Internet: 1349125376
Equivalent to 80 /8s, 106 /16s and 5 /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: 274935
Total RIPE prefixes after maximum aggregation: 134899
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273589
Unique aggregates announced from the RIPE address blocks: 175577
RIPE Region origin ASes present in the Internet Routing Table: 28899
RIPE Prefixes per ASN: 9.47
RIPE Region origin ASes announcing only one prefix: 12053
RIPE Region transit ASes present in the Internet Routing Table: 3979
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 41
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12485
Number of RIPE addresses announced to Internet: 730754048
Equivalent to 43 /8s, 142 /16s and 108 /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: 124058
Total LACNIC prefixes after maximum aggregation: 29565
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120575
Unique aggregates announced from the LACNIC address blocks: 48935
LACNIC Region origin ASes present in the Internet Routing Table: 11266
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2660
LACNIC Region transit ASes present in the Internet Routing Table: 2504
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: 9216
Number of LACNIC addresses announced to Internet: 171297024
Equivalent to 10 /8s, 53 /16s and 201 /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: 35274
Total AfriNIC prefixes after maximum aggregation: 6626
AfriNIC Deaggregation factor: 5.32
Prefixes being announced from the AfriNIC address blocks: 47604
Unique aggregates announced from the AfriNIC address blocks: 13653
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 24.76
AfriNIC Region origin ASes announcing only one prefix: 692
AfriNIC Region transit ASes present in the Internet Routing Table: 379
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1286
Number of AfriNIC addresses announced to Internet: 105062144
Equivalent to 6 /8s, 67 /16s and 31 /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 11227 8759 105 CHINAMOBILE-CN China Mobile Communication
7545 6183 846 650 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4413 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4332 534 308 BBIL-AP BHARTI Airtel Ltd., IN
7552 3920 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3268 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2890 856 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2191 811 178 CMNET-JIANGSU-AP China Mobile communicati
4755 2176 434 194 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 13611 40953 5215 AMAZON-02, US
11492 4780 317 603 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3635 1320 81 SHAW, CA
22773 3607 3037 208 ASN-CXA-ALL-CCI-22773-RDC, US
174 3537 8743 861 COGENT-174, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3191 3854 427 GOOGLE-CLOUD-PLATFORM, US
16625 3127 1313 2259 AKAMAI-AS, US
36352 2821 230 858 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 7675 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4062 3395 127 AKAMAI-ASN1, NL
9009 3896 358 2100 M247, RO
12389 3115 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 576 TELLCOM-AS, TR
212238 2312 169 1694 CDNEXT, GB
8452 1631 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
8551 1413 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet
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 12209 3256 579 UNINET, MX
10620 3505 481 1017 Telmex Colombia S.A., CO
13999 2536 537 354 Mega Cable, S.A. de C.V., MX
11830 1987 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 1209 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1199 371 22 Telefonica del Peru S.A.A., PE
22884 1080 71 363 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 1821 644 27 RAYA-AS, EG
24863 1624 389 17 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1077 523 47 Vodafone-, EG
20011 568 154 212 INTERNET-SOLUTIONS, ZA
36914 561 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 13611 40953 5215 AMAZON-02, US
8151 12209 3256 579 UNINET, MX
9808 11227 8759 105 CHINAMOBILE-CN China Mobile Communication
12479 7675 1713 148 UNI2-AS, ES
7545 6183 846 650 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4780 317 603 CABLEONE, US
39891 4780 291 66 ALJAWWALSTC-AS, SA
18403 4413 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4332 534 308 BBIL-AP BHARTI Airtel Ltd., IN
20940 4062 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 12209 11630 UNINET, MX
9808 11227 11122 CHINAMOBILE-CN China Mobile Communications Grou
12479 7675 7527 UNI2-AS, ES
7545 6183 5533 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 4714 ALJAWWALSTC-AS, SA
18403 4413 4388 FPT-AS-AP FPT Telecom Company, VN
11492 4780 4177 CABLEONE, US
9498 4332 4024 BBIL-AP BHARTI Airtel Ltd., IN
20940 4062 3935 AKAMAI-ASN1, NL
7552 3920 3894 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
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
395195 UNALLOCATED 8.38.115.0/24 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 /12:300
/13:584 /14:1209 /15:2151 /16:13829 /17:8234 /18:13523
/19:24551 /20:43978 /21:51732 /22:112100 /23:102825 /24:610041
/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 6597 7675 UNI2-AS, ES
8151 6424 12209 UNINET, MX
11492 3576 4780 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3635 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2738 3607 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2344 13611 AMAZON-02, US
30036 2260 2602 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2192 3505 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)
----------------------------------------------
1:2376 2:1518 3:827 4:10 5:4763 6:162
7:6 8:1569 9:1 11:172 12:1347 13:447
14:2524 15:363 16:285 17:378 18:919 20:550
21:4 22:188 23:7647 24:2877 25:2 27:2780
29:19 31:3268 32:35 33:1 34:80 35:254
36:3151 37:4574 38:9358 39:906 40:180 41:4279
42:1958 43:2609 44:381 45:18570 46:5104 47:319
49:1938 50:1883 51:591 52:1561 54:324 55:1007
56:11 57:270 58:2217 59:1184 60:1171 61:2790
62:2901 63:1798 64:5493 65:2063 66:4673 67:3083
68:1153 69:3944 70:1131 71:631 72:2879 74:2804
75:1516 76:622 77:2732 78:1872 79:1676 80:2199
81:2052 82:3179 83:1444 84:1874 85:3453 86:1081
87:2133 88:1342 89:4404 90:770 91:8393 92:2724
93:2916 94:4033 95:4381 96:1472 97:311 98:1023
99:687 100:72 101:1406 102:3862 103:32309 104:5154
105:764 106:979 107:2682 108:1246 109:4079 110:2234
111:3283 112:2125 113:1835 114:1989 115:2161 116:2060
117:2569 118:2919 119:1904 120:2053 121:1378 122:2792
123:2200 124:1589 125:2867 126:91 128:1615 129:952
130:1300 131:2051 132:781 133:451 134:1551 135:349
136:1349 137:1258 138:2846 139:1590 140:1616 141:1498
142:1916 143:1876 144:1160 145:546 146:2184 147:2115
148:2693 149:2933 150:1263 151:1984 152:2081 153:590
154:7353 155:1749 156:2836 157:1921 158:1323 159:2498
160:3603 161:1858 162:3870 163:2221 164:1855 165:2005
166:1502 167:1977 168:3979 169:793 170:5127 171:1011
172:4473 173:3344 174:928 175:1321 176:3711 177:4731
178:3745 179:2316 180:2636 181:4075 182:3461 183:2074
184:2129 185:21417 186:5171 187:4594 188:4256 189:4313
190:9571 191:1488 192:11323 193:9470 194:7799 195:5535
196:3285 197:3238 198:6112 199:8503 200:8203 201:6391
202:10283 203:10689 204:4557 205:3622 206:4489 207:3502
208:4296 209:5124 210:4614 211:2537 212:4564 213:3748
214:1030 215:48 216:6779 217:3191 218:1356 219:389
220:2076 221:1147 222:725 223:2481
End of report
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