[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jun 21 21:40:09 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Sat 21 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: 985142
Prefixes after maximum aggregation (per Origin AS): 380231
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482247
Number of IPv4 prefixes with a valid ROA: 549367
Number of IPv4 prefixes with an invalid ROA: 179
Number of IPv4 prefixes with no ROA: 435596
Total ASes present in the Internet Routing Table: 76899
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65889
Origin ASes announcing only one prefix: 26875
Transit ASes present in the Internet Routing Table: 11010
Transit-only ASes present in the Internet Routing Table: 552
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: 46694
Number of 32-bit ASNs visible in the Routing Table: 38365
Prefixes from 32-bit ASNs in the Routing Table: 203890
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: 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: 322582
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258856
Total APNIC prefixes after maximum aggregation: 77178
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 250277
Unique aggregates announced from the APNIC address blocks: 104417
APNIC Region origin ASes present in the Internet Routing Table: 14617
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: 1959
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: 10145
Number of APNIC addresses announced to Internet: 747591680
Equivalent to 44 /8s, 143 /16s and 88 /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: 131188
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292574
Unique aggregates announced from the ARIN address blocks: 139435
ARIN Region origin ASes present in the Internet Routing Table: 19220
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7025
ARIN Region transit ASes present in the Internet Routing Table: 2000
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: 5228
Number of ARIN addresses announced to Internet: 1349100544
Equivalent to 80 /8s, 105 /16s and 164 /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: 274973
Total RIPE prefixes after maximum aggregation: 134811
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273626
Unique aggregates announced from the RIPE address blocks: 175463
RIPE Region origin ASes present in the Internet Routing Table: 28898
RIPE Prefixes per ASN: 9.47
RIPE Region origin ASes announcing only one prefix: 12048
RIPE Region transit ASes present in the Internet Routing Table: 3977
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12491
Number of RIPE addresses announced to Internet: 730727424
Equivalent to 43 /8s, 142 /16s and 4 /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: 124088
Total LACNIC prefixes after maximum aggregation: 29568
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120607
Unique aggregates announced from the LACNIC address blocks: 48956
LACNIC Region origin ASes present in the Internet Routing Table: 11262
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2656
LACNIC Region transit ASes present in the Internet Routing Table: 2503
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: 9213
Number of LACNIC addresses announced to Internet: 171295232
Equivalent to 10 /8s, 53 /16s and 194 /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: 35291
Total AfriNIC prefixes after maximum aggregation: 6647
AfriNIC Deaggregation factor: 5.31
Prefixes being announced from the AfriNIC address blocks: 47607
Unique aggregates announced from the AfriNIC address blocks: 13576
AfriNIC Region origin ASes present in the Internet Routing Table: 1925
AfriNIC Prefixes per ASN: 24.73
AfriNIC Region origin ASes announcing only one prefix: 696
AfriNIC Region transit ASes present in the Internet Routing Table: 381
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: 1288
Number of AfriNIC addresses announced to Internet: 104946176
Equivalent to 6 /8s, 65 /16s and 90 /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 4433 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4330 534 309 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 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 2889 856 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2191 811 178 CMNET-JIANGSU-AP China Mobile communicati
4755 2175 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 13633 40955 5226 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 209 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 2401 361 576 TELLCOM-AS, TR
212238 2312 169 1694 CDNEXT, GB
8452 1633 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
62240 1413 94 737 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 12216 3256 574 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 1208 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 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 1107 1100 18 MOBINIL, EG
36935 1078 523 47 Vodafone-, EG
20011 568 154 212 INTERNET-SOLUTIONS, ZA
36914 563 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 13633 40955 5226 AMAZON-02, US
8151 12216 3256 574 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 4433 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4330 534 309 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 12216 11642 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 4433 4408 FPT-AS-AP FPT Telecom Company, VN
11492 4780 4177 CABLEONE, US
9498 4330 4021 BBIL-AP BHARTI Airtel Ltd., IN
20940 4062 3935 AKAMAI-ASN1, NL
7552 3919 3893 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 /15:2150 /16:13830 /17:8236 /18:13525
/19:24557 /20:43986 /21:51722 /22:112069 /23:102790 /24:610020
/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 6430 12216 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 2737 3607 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2348 13633 AMAZON-02, US
30036 2258 2600 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 2:1469 3:827 4:10 5:4754 6:162
7:6 8:1570 9:1 11:172 12:1347 13:448
14:2525 15:363 16:285 17:376 18:920 20:549
21:4 22:188 23:7642 24:2877 25:2 27:2780
29:19 31:3282 32:35 33:1 34:80 35:254
36:3151 37:4563 38:9353 39:906 40:174 41:4260
42:1980 43:2609 44:383 45:18563 46:5111 47:319
49:1945 50:1885 51:591 52:1564 54:324 55:1082
56:11 57:270 58:2216 59:1185 60:1171 61:2790
62:2922 63:1799 64:5492 65:2062 66:4674 67:3083
68:1141 69:3944 70:1130 71:631 72:2878 74:2803
75:1516 76:622 77:2733 78:1879 79:1712 80:2208
81:2052 82:3178 83:1444 84:1874 85:3450 86:1095
87:2124 88:1340 89:4402 90:770 91:8391 92:2725
93:2932 94:4030 95:4370 96:1472 97:311 98:1023
99:687 100:72 101:1406 102:3871 103:32271 104:5149
105:764 106:1042 107:2685 108:1245 109:4087 110:2224
111:3283 112:2125 113:1814 114:1989 115:2160 116:2059
117:2574 118:2880 119:1904 120:2053 121:1378 122:2792
123:2198 124:1589 125:2866 126:91 128:1613 129:952
130:1299 131:2051 132:782 133:451 134:1551 135:349
136:1349 137:1258 138:2848 139:1590 140:1616 141:1501
142:1916 143:1873 144:1153 145:545 146:2184 147:2115
148:2690 149:2933 150:1261 151:1978 152:2081 153:586
154:7344 155:1755 156:2828 157:1917 158:1328 159:2496
160:3605 161:1855 162:3868 163:2230 164:1820 165:2000
166:1496 167:1977 168:3978 169:790 170:5118 171:1009
172:4472 173:3341 174:928 175:1301 176:3709 177:4723
178:3741 179:2318 180:2635 181:4079 182:3463 183:2078
184:2129 185:21432 186:5173 187:4597 188:4257 189:4314
190:9581 191:1488 192:11323 193:9480 194:7797 195:5536
196:3296 197:3244 198:6110 199:8498 200:8217 201:6382
202:10278 203:10678 204:4554 205:3621 206:4483 207:3501
208:4297 209:5124 210:4614 211:2537 212:4585 213:3755
214:1023 215:48 216:6779 217:3191 218:1355 219:389
220:2076 221:1147 222:725 223:2479
End of report
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