[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jun 20 21:40:00 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Fri 20 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: 985247
Prefixes after maximum aggregation (per Origin AS): 380245
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482099
Number of IPv4 prefixes with a valid ROA: 549405
Number of IPv4 prefixes with an invalid ROA: 180
Number of IPv4 prefixes with no ROA: 435662
Total ASes present in the Internet Routing Table: 76907
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65893
Origin ASes announcing only one prefix: 26880
Transit ASes present in the Internet Routing Table: 11014
Transit-only ASes present in the Internet Routing Table: 550
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: 79
Max AS path prepend of ASN (133647) 73
Prefixes from unregistered ASNs in the Routing Table: 1288
Number of instances of unregistered ASNs: 1326
Number of 32-bit ASNs allocated by the RIRs: 46692
Number of 32-bit ASNs visible in the Routing Table: 38371
Prefixes from 32-bit ASNs in the Routing Table: 204000
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: 452
Number of addresses announced to Internet: 3104018688
Equivalent to 185 /8s, 3 /16s and 145 /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: 322621
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258864
Total APNIC prefixes after maximum aggregation: 77188
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 250252
Unique aggregates announced from the APNIC address blocks: 104443
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: 4445
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: 10144
Number of APNIC addresses announced to Internet: 747571456
Equivalent to 44 /8s, 143 /16s and 9 /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: 290591
Total ARIN prefixes after maximum aggregation: 131200
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 292494
Unique aggregates announced from the ARIN address blocks: 139378
ARIN Region origin ASes present in the Internet Routing Table: 19221
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: 5230
Number of ARIN addresses announced to Internet: 1349056512
Equivalent to 80 /8s, 104 /16s and 248 /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: 275043
Total RIPE prefixes after maximum aggregation: 134807
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273711
Unique aggregates announced from the RIPE address blocks: 175400
RIPE Region origin ASes present in the Internet Routing Table: 28901
RIPE Prefixes per ASN: 9.47
RIPE Region origin ASes announcing only one prefix: 12053
RIPE Region transit ASes present in the Internet Routing Table: 3976
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: 12495
Number of RIPE addresses announced to Internet: 730787840
Equivalent to 43 /8s, 142 /16s and 240 /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: 124134
Total LACNIC prefixes after maximum aggregation: 29578
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120661
Unique aggregates announced from the LACNIC address blocks: 48945
LACNIC Region origin ASes present in the Internet Routing Table: 11266
LACNIC Prefixes per ASN: 10.71
LACNIC Region origin ASes announcing only one prefix: 2659
LACNIC Region transit ASes present in the Internet Routing Table: 2507
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: 9215
Number of LACNIC addresses announced to Internet: 171298048
Equivalent to 10 /8s, 53 /16s and 205 /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: 35327
Total AfriNIC prefixes after maximum aggregation: 6630
AfriNIC Deaggregation factor: 5.33
Prefixes being announced from the AfriNIC address blocks: 47676
Unique aggregates announced from the AfriNIC address blocks: 13532
AfriNIC Region origin ASes present in the Internet Routing Table: 1925
AfriNIC Prefixes per ASN: 24.77
AfriNIC Region origin ASes announcing only one prefix: 696
AfriNIC Region transit ASes present in the Internet Routing Table: 379
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: 1287
Number of AfriNIC addresses announced to Internet: 105093120
Equivalent to 6 /8s, 67 /16s and 152 /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 4453 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4328 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 2888 856 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2191 811 178 CMNET-JIANGSU-AP China Mobile communicati
4755 2176 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 13625 40957 5235 AMAZON-02, US
11492 4780 317 603 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3635 1320 81 SHAW, CA
22773 3608 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 3130 1314 2260 AKAMAI-AS, US
36352 2823 230 852 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 7674 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4064 3395 126 AKAMAI-ASN1, NL
9009 3896 358 2100 M247, RO
12389 3107 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 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
8551 1414 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 12209 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 1198 371 22 Telefonica del Peru S.A.A., PE
22884 1062 70 372 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 1820 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
36914 570 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
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 13625 40957 5235 AMAZON-02, US
8151 12209 3256 574 UNINET, MX
9808 11227 8759 105 CHINAMOBILE-CN China Mobile Communication
12479 7674 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 4453 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4328 534 309 BBIL-AP BHARTI Airtel Ltd., IN
20940 4064 3395 126 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 12209 11635 UNINET, MX
9808 11227 11122 CHINAMOBILE-CN China Mobile Communications Grou
12479 7674 7526 UNI2-AS, ES
7545 6183 5533 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 4714 ALJAWWALSTC-AS, SA
18403 4453 4428 FPT-AS-AP FPT Telecom Company, VN
11492 4780 4177 CABLEONE, US
9498 4328 4019 BBIL-AP BHARTI Airtel Ltd., IN
20940 4064 3938 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 /15:2151 /16:13831 /17:8235 /18:13524
/19:24556 /20:44005 /21:51732 /22:112061 /23:102827 /24:610068
/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 6596 7674 UNI2-AS, ES
8151 6425 12209 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 2738 3608 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2345 13625 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 2:1525 3:822 4:10 5:4768 6:162
7:6 8:1571 9:1 11:172 12:1347 13:451
14:2525 15:363 16:285 17:376 18:918 20:548
21:4 22:188 23:7642 24:2876 25:2 27:2779
29:19 31:3294 32:35 33:1 34:80 35:253
36:3150 37:4571 38:9368 39:907 40:169 41:4285
42:1991 43:2610 44:383 45:18602 46:5111 47:319
49:1945 50:1884 51:591 52:1564 54:322 55:1083
56:11 57:271 58:2217 59:1185 60:1171 61:2792
62:2929 63:1799 64:5488 65:2058 66:4670 67:3081
68:1153 69:3941 70:1132 71:631 72:2876 74:2800
75:1516 76:622 77:2723 78:1905 79:1716 80:2208
81:2052 82:3180 83:1444 84:1875 85:3384 86:1088
87:2127 88:1340 89:4412 90:770 91:8365 92:2724
93:2924 94:4026 95:4395 96:1472 97:311 98:1023
99:687 100:72 101:1405 102:3874 103:32294 104:5151
105:764 106:1043 107:2686 108:1246 109:4086 110:2224
111:3283 112:2127 113:1812 114:1913 115:2161 116:2059
117:2574 118:2886 119:1904 120:2053 121:1377 122:2792
123:2199 124:1589 125:2865 126:91 128:1615 129:952
130:1300 131:2052 132:782 133:451 134:1548 135:346
136:1349 137:1256 138:2862 139:1590 140:1616 141:1503
142:1908 143:1860 144:1152 145:546 146:2182 147:2110
148:2697 149:2918 150:1258 151:1967 152:2085 153:590
154:7342 155:1753 156:2853 157:1924 158:1330 159:2497
160:3602 161:1855 162:3869 163:2228 164:1828 165:1992
166:1495 167:1979 168:3980 169:794 170:5129 171:1011
172:4471 173:3341 174:928 175:1303 176:3708 177:4725
178:3679 179:2319 180:2637 181:4078 182:3461 183:2070
184:2130 185:21457 186:5179 187:4574 188:4264 189:4315
190:9579 191:1490 192:11316 193:9474 194:7809 195:5529
196:3290 197:3246 198:6106 199:8511 200:8216 201:6389
202:10278 203:10669 204:4551 205:3618 206:4489 207:3504
208:4297 209:5123 210:4611 211:2536 212:4588 213:3750
214:1032 215:48 216:6778 217:3195 218:1355 219:389
220:2076 221:1147 222:725 223:2481
End of report
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