[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jul 29 21:38:45 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 29 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: 991057
Prefixes after maximum aggregation (per Origin AS): 383913
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 487955
Number of IPv4 prefixes with a valid ROA: 558213
Number of IPv4 prefixes with an invalid ROA: 197
Number of IPv4 prefixes with no ROA: 432647
Total ASes present in the Internet Routing Table: 77132
Prefixes per ASN: 12.85
Origin-only ASes present in the Internet Routing Table: 66059
Origin ASes announcing only one prefix: 26950
Transit ASes present in the Internet Routing Table: 11073
Transit-only ASes present in the Internet Routing Table: 562
Paths with bogon ASNs present in the IPv4 Routing Table: 162
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 53
Max AS path prepend of ASN ( 55120) 34
Prefixes from unregistered ASNs in the Routing Table: 1247
Number of instances of unregistered ASNs: 1287
Number of 32-bit ASNs allocated by the RIRs: 46966
Number of 32-bit ASNs visible in the Routing Table: 38669
Prefixes from 32-bit ASNs in the Routing Table: 206440
Number of bogon 32-bit ASNs visible in the Routing Table: 111
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 460
Number of addresses announced to Internet: 3107109632
Equivalent to 185 /8s, 50 /16s and 187 /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: 323443
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 262175
Total APNIC prefixes after maximum aggregation: 77839
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 253432
Unique aggregates announced from the APNIC address blocks: 104977
APNIC Region origin ASes present in the Internet Routing Table: 14713
APNIC Prefixes per ASN: 17.23
APNIC Region origin ASes announcing only one prefix: 4492
APNIC Region transit ASes present in the Internet Routing Table: 1977
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: 749069568
Equivalent to 44 /8s, 165 /16s and 229 /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: 291362
Total ARIN prefixes after maximum aggregation: 132225
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292912
Unique aggregates announced from the ARIN address blocks: 141464
ARIN Region origin ASes present in the Internet Routing Table: 19244
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7035
ARIN Region transit ASes present in the Internet Routing Table: 1996
Average ARIN Region AS path length visible: 5.0
Max ARIN Region AS path length visible: 37
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5265
Number of ARIN addresses announced to Internet: 1349348096
Equivalent to 80 /8s, 109 /16s and 107 /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: 276665
Total RIPE prefixes after maximum aggregation: 136409
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275660
Unique aggregates announced from the RIPE address blocks: 178080
RIPE Region origin ASes present in the Internet Routing Table: 28963
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12057
RIPE Region transit ASes present in the Internet Routing Table: 4010
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 39
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12596
Number of RIPE addresses announced to Internet: 732096512
Equivalent to 43 /8s, 162 /16s and 232 /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: 125034
Total LACNIC prefixes after maximum aggregation: 29795
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 121307
Unique aggregates announced from the LACNIC address blocks: 49145
LACNIC Region origin ASes present in the Internet Routing Table: 11277
LACNIC Prefixes per ASN: 10.76
LACNIC Region origin ASes announcing only one prefix: 2660
LACNIC Region transit ASes present in the Internet Routing Table: 2522
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: 9243
Number of LACNIC addresses announced to Internet: 171159552
Equivalent to 10 /8s, 51 /16s and 176 /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: 34574
Total AfriNIC prefixes after maximum aggregation: 6806
AfriNIC Deaggregation factor: 5.08
Prefixes being announced from the AfriNIC address blocks: 47285
Unique aggregates announced from the AfriNIC address blocks: 13906
AfriNIC Region origin ASes present in the Internet Routing Table: 1943
AfriNIC Prefixes per ASN: 24.34
AfriNIC Region origin ASes announcing only one prefix: 706
AfriNIC Region transit ASes present in the Internet Routing Table: 382
Average AfriNIC Region AS path length visible: 6.1
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1308
Number of AfriNIC addresses announced to Internet: 105179392
Equivalent to 6 /8s, 68 /16s and 233 /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 12157 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6138 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4529 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3910 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3682 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3281 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2911 864 509 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2814 811 177 CMNET-JIANGSU-AP China Mobile communicati
45090 2172 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 13668 40974 5275 AMAZON-02, US
11492 4819 319 605 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3464 8771 862 COGENT-174, US
22773 3340 3029 165 ASN-CXA-ALL-CCI-22773-RDC, US
749 3222 54766 2473 DNIC-AS-00749, US
396982 3198 3856 434 GOOGLE-CLOUD-PLATFORM, US
16625 3060 1297 2226 AKAMAI-AS, US
4155 2874 218 1741 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 7587 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4028 3395 127 AKAMAI-ASN1, NL
9009 3829 363 2144 M247, RO
12389 3116 2315 869 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2404 361 584 TELLCOM-AS, TR
212238 2315 164 1683 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1579 1852 14 TE-AS TE-AS, EG
203020 1523 191 672 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 12273 3259 580 UNINET, MX
10620 3480 473 1036 Telmex Colombia S.A., CO
13999 2521 511 357 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1371 2435 269 Claro NXT Telecomunicacoes Ltda, BR
3816 1351 788 208 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1209 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1188 371 22 Telefonica del Peru S.A.A., PE
22884 1071 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 1709 660 28 RAYA-AS, EG
29571 1605 102 51 ORANGE-COTE-IVOIRE, CI
36992 1317 1490 358 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
24863 1231 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 887 520 43 Vodafone-, EG
36914 572 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 13668 40974 5275 AMAZON-02, US
8151 12273 3259 580 UNINET, MX
9808 12157 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7587 1712 148 UNI2-AS, ES
7545 6138 837 624 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4819 319 605 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4529 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4028 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
9808 12157 12041 CHINAMOBILE-CN China Mobile Communications Grou
8151 12273 11693 UNINET, MX
12479 7587 7439 UNI2-AS, ES
7545 6138 5514 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4529 4504 FPT-AS-AP FPT Telecom Company, VN
11492 4819 4214 CABLEONE, US
9498 4464 4153 BBIL-AP BHARTI Airtel Ltd., IN
20940 4028 3901 AKAMAI-ASN1, NL
7552 3910 3883 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
/13:581 /14:1209 /15:2153 /16:13793 /17:8233 /18:13507
/19:24571 /20:43969 /21:51720 /22:111967 /23:102876 /24:616016
/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 6538 7587 UNI2-AS, ES
8151 6492 12273 UNINET, MX
11492 3611 4819 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2492 3340 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2355 13668 AMAZON-02, US
30036 2288 2629 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2196 3480 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)
----------------------------------------------
1:2412 2:1524 3:854 4:10 5:4748 6:163
7:6 8:1550 9:1 11:172 12:1343 13:456
14:2571 15:367 16:286 17:376 18:897 20:560
21:4 22:188 23:7770 24:2723 25:2 27:2803
29:19 31:3343 32:35 33:1 34:80 35:258
36:3895 37:4559 38:9488 39:943 40:247 41:4250
42:2023 43:2692 44:378 45:18628 46:5098 47:336
49:1892 50:2013 51:585 52:1554 54:325 55:1096
56:11 57:274 58:2171 59:1293 60:1171 61:2793
62:2987 63:1792 64:5527 65:2147 66:4737 67:3106
68:1070 69:3905 70:1041 71:630 72:2849 74:2808
75:1507 76:605 77:2776 78:1918 79:1701 80:2201
81:2055 82:3185 83:1440 84:1892 85:3491 86:1092
87:2134 88:1343 89:4422 90:776 91:8419 92:2714
93:2962 94:4051 95:4425 96:1470 97:309 98:954
99:693 100:71 101:1190 102:3886 103:32258 104:5243
105:806 106:972 107:2661 108:1269 109:4175 110:2229
111:3341 112:2299 113:1843 114:1961 115:2238 116:2066
117:2633 118:2985 119:1911 120:2164 121:1334 122:2790
123:2247 124:1657 125:2871 126:91 128:1621 129:961
130:1307 131:2069 132:780 133:450 134:1599 135:351
136:1462 137:1270 138:2838 139:1590 140:1630 141:1530
142:1911 143:1965 144:1172 145:565 146:2184 147:2100
148:2725 149:2935 150:1280 151:2244 152:2075 153:590
154:7573 155:1850 156:3076 157:1948 158:1356 159:2518
160:3593 161:1903 162:3864 163:2247 164:1879 165:2411
166:1534 167:2010 168:3983 169:788 170:5132 171:997
172:4244 173:3387 174:915 175:1324 176:3731 177:4861
178:3939 179:2318 180:2587 181:4131 182:3529 183:2184
184:2081 185:21607 186:5269 187:4718 188:4266 189:4347
190:9570 191:1509 192:11344 193:9477 194:7775 195:5586
196:3241 197:3163 198:6136 199:8596 200:8281 201:6404
202:10381 203:10668 204:4640 205:3564 206:4531 207:3555
208:4287 209:5135 210:4701 211:2604 212:4555 213:3815
214:1023 215:48 216:6767 217:3235 218:1373 219:396
220:2144 221:1201 222:739 223:2706
End of report
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