[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jul 18 21:40:06 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Fri 18 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: 987905
Prefixes after maximum aggregation (per Origin AS): 383033
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 486698
Number of IPv4 prefixes with a valid ROA: 556042
Number of IPv4 prefixes with an invalid ROA: 169
Number of IPv4 prefixes with no ROA: 431694
Total ASes present in the Internet Routing Table: 77047
Prefixes per ASN: 12.82
Origin-only ASes present in the Internet Routing Table: 65966
Origin ASes announcing only one prefix: 26898
Transit ASes present in the Internet Routing Table: 11081
Transit-only ASes present in the Internet Routing Table: 569
Paths with bogon ASNs present in the IPv4 Routing Table: 318
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: 1287
Number of instances of unregistered ASNs: 1323
Number of 32-bit ASNs allocated by the RIRs: 46864
Number of 32-bit ASNs visible in the Routing Table: 38573
Prefixes from 32-bit ASNs in the Routing Table: 205578
Number of bogon 32-bit ASNs visible in the Routing Table: 105
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 465
Number of addresses announced to Internet: 3106910464
Equivalent to 185 /8s, 47 /16s and 177 /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: 322534
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 261317
Total APNIC prefixes after maximum aggregation: 77720
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 252335
Unique aggregates announced from the APNIC address blocks: 104902
APNIC Region origin ASes present in the Internet Routing Table: 14701
APNIC Prefixes per ASN: 17.16
APNIC Region origin ASes announcing only one prefix: 4500
APNIC Region transit ASes present in the Internet Routing Table: 1988
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: 10244
Number of APNIC addresses announced to Internet: 749028096
Equivalent to 44 /8s, 165 /16s and 67 /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: 290803
Total ARIN prefixes after maximum aggregation: 131958
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292607
Unique aggregates announced from the ARIN address blocks: 141069
ARIN Region origin ASes present in the Internet Routing Table: 19223
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: 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: 5256
Number of ARIN addresses announced to Internet: 1349402368
Equivalent to 80 /8s, 110 /16s and 63 /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: 276459
Total RIPE prefixes after maximum aggregation: 136054
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275493
Unique aggregates announced from the RIPE address blocks: 177396
RIPE Region origin ASes present in the Internet Routing Table: 28947
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12043
RIPE Region transit ASes present in the Internet Routing Table: 3994
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12560
Number of RIPE addresses announced to Internet: 732202240
Equivalent to 43 /8s, 164 /16s and 133 /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: 124595
Total LACNIC prefixes after maximum aggregation: 29731
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120917
Unique aggregates announced from the LACNIC address blocks: 49136
LACNIC Region origin ASes present in the Internet Routing Table: 11264
LACNIC Prefixes per ASN: 10.73
LACNIC Region origin ASes announcing only one prefix: 2644
LACNIC Region transit ASes present in the Internet Routing Table: 2535
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: 171070464
Equivalent to 10 /8s, 50 /16s and 84 /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: 33444
Total AfriNIC prefixes after maximum aggregation: 6716
AfriNIC Deaggregation factor: 4.98
Prefixes being announced from the AfriNIC address blocks: 46087
Unique aggregates announced from the AfriNIC address blocks: 13802
AfriNIC Region origin ASes present in the Internet Routing Table: 1909
AfriNIC Prefixes per ASN: 24.14
AfriNIC Region origin ASes announcing only one prefix: 684
AfriNIC Region transit ASes present in the Internet Routing Table: 383
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: 1281
Number of AfriNIC addresses announced to Internet: 104953344
Equivalent to 6 /8s, 65 /16s and 118 /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 11823 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6158 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4496 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4445 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3701 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3278 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2905 863 520 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2736 811 177 CMNET-JIANGSU-AP China Mobile communicati
4755 2183 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 13693 40975 5277 AMAZON-02, US
11492 4812 319 611 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3446 8771 858 COGENT-174, US
22773 3342 3032 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3223 54766 2474 DNIC-AS-00749, US
396982 3196 3855 432 GOOGLE-CLOUD-PLATFORM, US
16625 3066 1298 2225 AKAMAI-AS, US
4155 2865 217 1734 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 7600 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4044 3395 127 AKAMAI-ASN1, NL
9009 3786 361 2107 M247, RO
12389 3120 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2403 361 583 TELLCOM-AS, TR
212238 2321 164 1689 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1545 1852 14 TE-AS TE-AS, EG
203020 1475 163 648 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 12306 3255 574 UNINET, MX
10620 3513 481 1019 Telmex Colombia S.A., CO
13999 2529 511 349 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1370 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1201 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1196 371 22 Telefonica del Peru S.A.A., PE
22884 1068 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 1733 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36992 1221 1482 324 ETISALAT-MISR, EG
36935 822 520 43 Vodafone-, EG
37069 702 1112 11 MOBINIL, EG
24863 660 389 22 LINKdotNET-AS, EG
36914 572 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 542 57 61 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 13693 40975 5277 AMAZON-02, US
8151 12306 3255 574 UNINET, MX
9808 11823 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7600 1712 148 UNI2-AS, ES
7545 6158 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4812 319 611 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4496 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4445 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4044 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 12306 11732 UNINET, MX
9808 11823 11707 CHINAMOBILE-CN China Mobile Communications Grou
12479 7600 7452 UNI2-AS, ES
7545 6158 5536 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4496 4471 FPT-AS-AP FPT Telecom Company, VN
11492 4812 4201 CABLEONE, US
9498 4445 4134 BBIL-AP BHARTI Airtel Ltd., IN
20940 4044 3917 AKAMAI-ASN1, NL
7552 3918 3891 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
23.141.252.0/24 Origin: 26548 PUREVOLTAGE-INC, US
23.141.252.0/24 Transit: 6939 HURRICANE, US
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, 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 /15:2149 /16:13770 /17:8225 /18:13502
/19:24513 /20:43614 /21:51698 /22:111364 /23:102741 /24:614075
/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 6542 7600 UNI2-AS, ES
8151 6526 12306 UNINET, MX
11492 3606 4812 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2342 13693 AMAZON-02, US
30036 2270 2611 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)
----------------------------------------------
1:2406 2:1526 3:856 4:10 5:4763 6:163
7:6 8:1554 9:1 11:172 12:1336 13:458
14:2557 15:365 16:286 17:383 18:896 20:558
21:4 22:188 23:7732 24:2725 25:2 27:2823
29:19 31:3339 32:35 33:1 34:80 35:257
36:3629 37:4567 38:9426 39:911 40:253 41:4147
42:1987 43:2677 44:371 45:18564 46:5102 47:336
49:1869 50:1949 51:591 52:1553 54:327 55:1113
56:11 57:274 58:2176 59:1277 60:1174 61:2791
62:2947 63:1799 64:5533 65:2163 66:4717 67:3105
68:1085 69:3901 70:1043 71:631 72:2849 74:2793
75:1507 76:608 77:2759 78:1916 79:1692 80:2201
81:2050 82:3187 83:1433 84:1887 85:3467 86:1086
87:2133 88:1348 89:4414 90:778 91:8412 92:2702
93:2953 94:4067 95:4421 96:1467 97:310 98:955
99:696 100:71 101:1182 102:3876 103:32230 104:5212
105:768 106:970 107:2639 108:1180 109:4173 110:2231
111:3308 112:2235 113:1841 114:1955 115:2254 116:2064
117:2582 118:2987 119:1890 120:2144 121:1332 122:2791
123:2241 124:1644 125:2877 126:91 128:1619 129:968
130:1304 131:2046 132:774 133:450 134:1642 135:350
136:1452 137:1265 138:2823 139:1584 140:1636 141:1516
142:1906 143:1994 144:1182 145:562 146:2171 147:2102
148:2710 149:2936 150:1228 151:2233 152:2072 153:591
154:7546 155:1848 156:3076 157:1953 158:1345 159:2514
160:3634 161:1894 162:3863 163:2254 164:1868 165:2331
166:1521 167:2024 168:3993 169:788 170:5136 171:1006
172:4237 173:3391 174:918 175:1324 176:3722 177:4724
178:3928 179:2311 180:2602 181:4129 182:3508 183:2152
184:2082 185:21600 186:5231 187:4662 188:4266 189:4326
190:9559 191:1504 192:11348 193:9475 194:7773 195:5581
196:3283 197:3157 198:6121 199:8595 200:8226 201:6383
202:10384 203:10666 204:4649 205:3608 206:4531 207:3550
208:4287 209:5136 210:4596 211:2590 212:4555 213:3817
214:1025 215:46 216:6723 217:3217 218:1365 219:393
220:2142 221:1192 222:742 223:2674
End of report
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