[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jun 10 21:38:58 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 10 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: 984862
Prefixes after maximum aggregation (per Origin AS): 380070
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 481839
Number of IPv4 prefixes with a valid ROA: 549327
Number of IPv4 prefixes with an invalid ROA: 185
Number of IPv4 prefixes with no ROA: 435350
Total ASes present in the Internet Routing Table: 76943
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65915
Origin ASes announcing only one prefix: 26918
Transit ASes present in the Internet Routing Table: 11028
Transit-only ASes present in the Internet Routing Table: 561
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: 1128
Number of instances of unregistered ASNs: 1162
Number of 32-bit ASNs allocated by the RIRs: 46631
Number of 32-bit ASNs visible in the Routing Table: 38343
Prefixes from 32-bit ASNs in the Routing Table: 203175
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: 445
Number of addresses announced to Internet: 3109758720
Equivalent to 185 /8s, 91 /16s and 39 /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: 322612
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258033
Total APNIC prefixes after maximum aggregation: 77114
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249530
Unique aggregates announced from the APNIC address blocks: 104081
APNIC Region origin ASes present in the Internet Routing Table: 14602
APNIC Prefixes per ASN: 17.09
APNIC Region origin ASes announcing only one prefix: 4456
APNIC Region transit ASes present in the Internet Routing Table: 1964
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: 10130
Number of APNIC addresses announced to Internet: 748314368
Equivalent to 44 /8s, 154 /16s and 95 /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: 290617
Total ARIN prefixes after maximum aggregation: 131204
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292315
Unique aggregates announced from the ARIN address blocks: 139330
ARIN Region origin ASes present in the Internet Routing Table: 19238
ARIN Prefixes per ASN: 15.19
ARIN Region origin ASes announcing only one prefix: 7037
ARIN Region transit ASes present in the Internet Routing Table: 1991
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: 5226
Number of ARIN addresses announced to Internet: 1353028352
Equivalent to 80 /8s, 165 /16s and 147 /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: 275214
Total RIPE prefixes after maximum aggregation: 134773
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273789
Unique aggregates announced from the RIPE address blocks: 175471
RIPE Region origin ASes present in the Internet Routing Table: 28945
RIPE Prefixes per ASN: 9.46
RIPE Region origin ASes announcing only one prefix: 12062
RIPE Region transit ASes present in the Internet Routing Table: 3996
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12492
Number of RIPE addresses announced to Internet: 731341312
Equivalent to 43 /8s, 151 /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: 124258
Total LACNIC prefixes after maximum aggregation: 29555
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120570
Unique aggregates announced from the LACNIC address blocks: 49030
LACNIC Region origin ASes present in the Internet Routing Table: 11259
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2665
LACNIC Region transit ASes present in the Internet Routing Table: 2506
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: 171833856
Equivalent to 10 /8s, 61 /16s and 250 /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: 35612
Total AfriNIC prefixes after maximum aggregation: 6713
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 48212
Unique aggregates announced from the AfriNIC address blocks: 13533
AfriNIC Region origin ASes present in the Internet Routing Table: 1919
AfriNIC Prefixes per ASN: 25.12
AfriNIC Region origin ASes announcing only one prefix: 698
AfriNIC Region transit ASes present in the Internet Routing Table: 377
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: 1284
Number of AfriNIC addresses announced to Internet: 105037824
Equivalent to 6 /8s, 66 /16s and 192 /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 6180 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4484 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4303 534 304 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 2881 854 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4755 2175 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 13673 40939 5239 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 3457 8746 888 COGENT-174, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3184 3854 425 GOOGLE-CLOUD-PLATFORM, US
16625 3145 1314 2264 AKAMAI-AS, US
36352 2812 230 855 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 7698 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4063 3395 127 AKAMAI-ASN1, NL
9009 3883 357 2086 M247, RO
12389 3106 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 580 TELLCOM-AS, TR
212238 2258 164 1647 CDNEXT, GB
8452 1632 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 12173 3233 586 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2550 540 363 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 1199 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 1615 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1247 553 104 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1050 520 44 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 13673 40939 5239 AMAZON-02, US
8151 12173 3233 586 UNINET, MX
9808 11077 8758 100 CHINAMOBILE-CN China Mobile Communication
12479 7698 1714 148 UNI2-AS, ES
7545 6180 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4762 316 595 CABLEONE, US
18403 4484 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4303 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 12173 11587 UNINET, MX
9808 11077 10977 CHINAMOBILE-CN China Mobile Communications Grou
12479 7698 7550 UNI2-AS, ES
7545 6180 5529 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4484 4459 FPT-AS-AP FPT Telecom Company, VN
11492 4762 4167 CABLEONE, US
9498 4303 3999 BBIL-AP BHARTI Airtel Ltd., IN
20940 4063 3936 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 /12:299
/13:584 /14:1220 /15:2168 /16:13901 /17:8263 /18:13698
/19:24594 /20:44058 /21:51757 /22:112143 /23:102621 /24:609392
/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 7698 UNI2-AS, ES
8151 6384 12173 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 2373 13673 AMAZON-02, US
30036 2247 2589 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)
----------------------------------------------
1:2369 2:1514 3:813 4:9 5:4718 6:161
7:6 8:1574 9:1 11:172 12:1350 13:451
14:2521 15:360 16:285 17:376 18:921 20:545
21:4 22:188 23:7619 24:2803 25:2 27:2787
29:19 31:3281 32:36 33:1 34:80 35:254
36:3076 37:4604 38:9211 39:909 40:172 41:4203
42:1999 43:2605 44:380 45:18541 46:5117 47:318
49:1941 50:1882 51:591 52:1568 54:321 55:1086
56:11 57:268 58:2216 59:1183 60:1172 61:2793
62:2937 63:1801 64:5469 65:2065 66:4656 67:3064
68:1157 69:3946 70:1137 71:634 72:2850 74:2801
75:1518 76:616 77:2715 78:1910 79:1716 80:2223
81:2052 82:3151 83:1449 84:1873 85:3458 86:1076
87:2142 88:1329 89:4411 90:771 91:8397 92:2727
93:2912 94:4022 95:4364 96:1465 97:311 98:1019
99:698 100:73 101:1193 102:3849 103:32204 104:5112
105:760 106:1034 107:2688 108:1243 109:4083 110:2235
111:3273 112:2131 113:1805 114:1985 115:2135 116:2057
117:2565 118:2894 119:1908 120:1997 121:1382 122:2776
123:2195 124:1585 125:2859 126:91 128:1615 129:965
130:1301 131:2009 132:782 133:449 134:1533 135:334
136:1350 137:1261 138:2837 139:1602 140:1602 141:1505
142:1897 143:1833 144:1128 145:528 146:2183 147:2115
148:2707 149:2888 150:1249 151:1962 152:2095 153:578
154:7481 155:1744 156:3015 157:1923 158:1322 159:2493
160:3594 161:1854 162:3840 163:2211 164:1857 165:1972
166:1496 167:1961 168:4006 169:794 170:5111 171:1024
172:4458 173:3316 174:926 175:1303 176:3702 177:4674
178:3708 179:2296 180:2636 181:4083 182:3444 183:2103
184:2121 185:21602 186:5161 187:4508 188:4248 189:4288
190:9576 191:1482 192:11313 193:9489 194:7807 195:5540
196:3277 197:3658 198:6118 199:8492 200:8222 201:6373
202:10274 203:10652 204:4552 205:3621 206:4512 207:3529
208:4257 209:5114 210:4611 211:2534 212:4575 213:3736
214:1031 215:48 216:6780 217:3157 218:1357 219:389
220:2081 221:1134 222:724 223:2453
End of report
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