[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jul 5 21:40:01 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 05 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: 987856
Prefixes after maximum aggregation (per Origin AS): 381919
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 485166
Number of IPv4 prefixes with a valid ROA: 553955
Number of IPv4 prefixes with an invalid ROA: 180
Number of IPv4 prefixes with no ROA: 433721
Total ASes present in the Internet Routing Table: 76964
Prefixes per ASN: 12.84
Origin-only ASes present in the Internet Routing Table: 65942
Origin ASes announcing only one prefix: 26889
Transit ASes present in the Internet Routing Table: 11022
Transit-only ASes present in the Internet Routing Table: 558
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: 79
Max AS path prepend of ASN (133647) 73
Prefixes from unregistered ASNs in the Routing Table: 1232
Number of instances of unregistered ASNs: 1268
Number of 32-bit ASNs allocated by the RIRs: 46774
Number of 32-bit ASNs visible in the Routing Table: 38464
Prefixes from 32-bit ASNs in the Routing Table: 204614
Number of bogon 32-bit ASNs visible in the Routing Table: 104
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 454
Number of addresses announced to Internet: 3103864576
Equivalent to 185 /8s, 1 /16s and 55 /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: 322967
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260069
Total APNIC prefixes after maximum aggregation: 77305
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 251044
Unique aggregates announced from the APNIC address blocks: 104566
APNIC Region origin ASes present in the Internet Routing Table: 14660
APNIC Prefixes per ASN: 17.12
APNIC Region origin ASes announcing only one prefix: 4473
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: 79
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10195
Number of APNIC addresses announced to Internet: 747685120
Equivalent to 44 /8s, 144 /16s and 197 /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: 291062
Total ARIN prefixes after maximum aggregation: 131743
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292581
Unique aggregates announced from the ARIN address blocks: 140418
ARIN Region origin ASes present in the Internet Routing Table: 19228
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7032
ARIN Region transit ASes present in the Internet Routing Table: 1987
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: 5240
Number of ARIN addresses announced to Internet: 1348592640
Equivalent to 80 /8s, 97 /16s and 228 /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: 275949
Total RIPE prefixes after maximum aggregation: 135680
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 274849
Unique aggregates announced from the RIPE address blocks: 176794
RIPE Region origin ASes present in the Internet Routing Table: 28901
RIPE Prefixes per ASN: 9.51
RIPE Region origin ASes announcing only one prefix: 12016
RIPE Region transit ASes present in the Internet Routing Table: 3984
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: 12511
Number of RIPE addresses announced to Internet: 730978304
Equivalent to 43 /8s, 145 /16s and 216 /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: 124132
Total LACNIC prefixes after maximum aggregation: 29709
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 120549
Unique aggregates announced from the LACNIC address blocks: 49071
LACNIC Region origin ASes present in the Internet Routing Table: 11279
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2674
LACNIC Region transit ASes present in the Internet Routing Table: 2520
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9233
Number of LACNIC addresses announced to Internet: 171190784
Equivalent to 10 /8s, 52 /16s and 42 /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: 35412
Total AfriNIC prefixes after maximum aggregation: 6667
AfriNIC Deaggregation factor: 5.31
Prefixes being announced from the AfriNIC address blocks: 48378
Unique aggregates announced from the AfriNIC address blocks: 13913
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 25.18
AfriNIC Region origin ASes announcing only one prefix: 694
AfriNIC Region transit ASes present in the Internet Routing Table: 380
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: 1285
Number of AfriNIC addresses announced to Internet: 105165312
Equivalent to 6 /8s, 68 /16s and 178 /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 11563 8759 114 CHINAMOBILE-CN China Mobile Communication
7545 6147 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4420 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4353 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3924 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3697 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3277 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2899 862 526 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2425 811 178 CMNET-JIANGSU-AP China Mobile communicati
4755 2179 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 13586 40951 5235 AMAZON-02, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3600 3036 207 ASN-CXA-ALL-CCI-22773-RDC, US
174 3467 8767 861 COGENT-174, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3193 3854 430 GOOGLE-CLOUD-PLATFORM, US
16625 3115 1308 2251 AKAMAI-AS, US
4155 2837 215 1725 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 7655 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4076 3395 127 AKAMAI-ASN1, NL
9009 3775 351 2105 M247, RO
12389 3119 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2403 361 583 TELLCOM-AS, TR
212238 2353 168 1721 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1589 1852 14 TE-AS TE-AS, EG
8551 1423 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 12273 3259 573 UNINET, MX
10620 3508 481 1019 Telmex Colombia S.A., CO
13999 2538 538 356 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1368 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
11664 1188 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1063 70 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1023 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 1823 660 28 RAYA-AS, EG
24863 1621 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 1092 1100 18 MOBINIL, EG
36935 1063 520 44 Vodafone-, EG
36914 575 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 531 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 13586 40951 5235 AMAZON-02, US
8151 12273 3259 573 UNINET, MX
9808 11563 8759 114 CHINAMOBILE-CN China Mobile Communication
12479 7655 1713 148 UNI2-AS, ES
7545 6147 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4781 317 604 CABLEONE, US
18403 4420 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4353 535 312 BBIL-AP BHARTI Airtel Ltd., IN
20940 4076 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 12273 11700 UNINET, MX
9808 11563 11449 CHINAMOBILE-CN China Mobile Communications Grou
12479 7655 7507 UNI2-AS, ES
7545 6147 5524 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4420 4395 FPT-AS-AP FPT Telecom Company, VN
11492 4781 4177 CABLEONE, US
9498 4353 4041 BBIL-AP BHARTI Airtel Ltd., IN
20940 4076 3949 AKAMAI-ASN1, NL
7552 3924 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
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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, 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 /12:298
/13:585 /14:1210 /15:2152 /16:13769 /17:8212 /18:13506
/19:24537 /20:43986 /21:51858 /22:112111 /23:102871 /24:612597
/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 6578 7655 UNI2-AS, ES
8151 6480 12273 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3637 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2732 3600 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2346 13586 AMAZON-02, US
30036 2267 2609 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2195 3508 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)
----------------------------------------------
1:2384 2:1537 3:826 4:10 5:4759 6:162
7:6 8:1572 9:1 11:172 12:1345 13:450
14:2543 15:364 16:285 17:381 18:894 20:555
21:4 22:188 23:7741 24:2729 25:2 27:2789
29:19 31:3298 32:35 33:1 34:80 35:255
36:3272 37:4559 38:9381 39:907 40:232 41:4292
42:1929 43:2657 44:375 45:18603 46:5131 47:326
49:1817 50:1893 51:592 52:1554 54:321 55:1101
56:11 57:272 58:2186 59:1188 60:1173 61:2788
62:2900 63:1799 64:5528 65:2064 66:4720 67:3092
68:1122 69:3959 70:1114 71:626 72:2873 74:2792
75:1515 76:607 77:2776 78:1907 79:1729 80:2199
81:2072 82:3183 83:1448 84:1876 85:3468 86:1084
87:2124 88:1345 89:4402 90:776 91:8394 92:2750
93:2942 94:4027 95:4397 96:1488 97:311 98:1000
99:692 100:72 101:1406 102:3887 103:32247 104:5221
105:824 106:977 107:2662 108:1261 109:4138 110:2234
111:3225 112:2184 113:1844 114:1960 115:2200 116:2060
117:2593 118:2987 119:1907 120:2100 121:1327 122:2794
123:2222 124:1614 125:2872 126:91 128:1615 129:959
130:1295 131:2049 132:778 133:450 134:1565 135:349
136:1384 137:1261 138:2810 139:1593 140:1629 141:1508
142:1898 143:1957 144:1160 145:557 146:2176 147:2103
148:2707 149:2936 150:1260 151:2187 152:2087 153:590
154:7706 155:1773 156:3167 157:1929 158:1341 159:2506
160:3614 161:1860 162:3875 163:2228 164:1859 165:2044
166:1509 167:2001 168:3966 169:781 170:5116 171:1008
172:4453 173:3361 174:928 175:1325 176:3702 177:4702
178:3904 179:2312 180:2598 181:4085 182:3490 183:2104
184:2128 185:21571 186:5185 187:4591 188:4268 189:4329
190:9563 191:1457 192:11318 193:9486 194:7765 195:5562
196:3314 197:3250 198:6106 199:8536 200:8206 201:6387
202:10347 203:10664 204:4573 205:3620 206:4480 207:3543
208:4277 209:5104 210:4616 211:2549 212:4583 213:3811
214:1012 215:46 216:6784 217:3200 218:1362 219:391
220:2132 221:1153 222:714 223:2547
End of report
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