[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jun 6 21:39:08 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Fri 06 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: 984903
Prefixes after maximum aggregation (per Origin AS): 379783
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482040
Number of IPv4 prefixes with a valid ROA: 548885
Number of IPv4 prefixes with an invalid ROA: 189
Number of IPv4 prefixes with no ROA: 435829
Total ASes present in the Internet Routing Table: 76940
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65922
Origin ASes announcing only one prefix: 26945
Transit ASes present in the Internet Routing Table: 11018
Transit-only ASes present in the Internet Routing Table: 547
Paths with bogon ASNs present in the IPv4 Routing Table: 312
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 38
Max AS path prepend of ASN ( 40933) 31
Prefixes from unregistered ASNs in the Routing Table: 1153
Number of instances of unregistered ASNs: 1187
Number of 32-bit ASNs allocated by the RIRs: 46606
Number of 32-bit ASNs visible in the Routing Table: 38334
Prefixes from 32-bit ASNs in the Routing Table: 202940
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: 446
Number of addresses announced to Internet: 3109129472
Equivalent to 185 /8s, 81 /16s and 141 /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: 322555
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258099
Total APNIC prefixes after maximum aggregation: 77096
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 249624
Unique aggregates announced from the APNIC address blocks: 104286
APNIC Region origin ASes present in the Internet Routing Table: 14610
APNIC Prefixes per ASN: 17.09
APNIC Region origin ASes announcing only one prefix: 4459
APNIC Region transit ASes present in the Internet Routing Table: 1965
Average APNIC Region AS path length visible: 5.3
Max APNIC Region AS path length visible: 38
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10133
Number of APNIC addresses announced to Internet: 747877632
Equivalent to 44 /8s, 147 /16s and 181 /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: 290805
Total ARIN prefixes after maximum aggregation: 131078
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292518
Unique aggregates announced from the ARIN address blocks: 139470
ARIN Region origin ASes present in the Internet Routing Table: 19248
ARIN Prefixes per ASN: 15.20
ARIN Region origin ASes announcing only one prefix: 7053
ARIN Region transit ASes present in the Internet Routing Table: 1989
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: 5229
Number of ARIN addresses announced to Internet: 1352722176
Equivalent to 80 /8s, 160 /16s and 231 /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: 275166
Total RIPE prefixes after maximum aggregation: 134653
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 273674
Unique aggregates announced from the RIPE address blocks: 175328
RIPE Region origin ASes present in the Internet Routing Table: 28933
RIPE Prefixes per ASN: 9.46
RIPE Region origin ASes announcing only one prefix: 12057
RIPE Region transit ASes present in the Internet Routing Table: 3980
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: 12475
Number of RIPE addresses announced to Internet: 731319296
Equivalent to 43 /8s, 151 /16s and 12 /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: 124149
Total LACNIC prefixes after maximum aggregation: 29530
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120524
Unique aggregates announced from the LACNIC address blocks: 48984
LACNIC Region origin ASes present in the Internet Routing Table: 11267
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2683
LACNIC Region transit ASes present in the Internet Routing Table: 2511
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: 9218
Number of LACNIC addresses announced to Internet: 171932160
Equivalent to 10 /8s, 63 /16s and 122 /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: 35531
Total AfriNIC prefixes after maximum aggregation: 6699
AfriNIC Deaggregation factor: 5.30
Prefixes being announced from the AfriNIC address blocks: 48116
Unique aggregates announced from the AfriNIC address blocks: 13577
AfriNIC Region origin ASes present in the Internet Routing Table: 1915
AfriNIC Prefixes per ASN: 25.13
AfriNIC Region origin ASes announcing only one prefix: 693
AfriNIC Region transit ASes present in the Internet Routing Table: 376
Average AfriNIC Region AS path length visible: 6.0
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1279
Number of AfriNIC addresses announced to Internet: 105074688
Equivalent to 6 /8s, 67 /16s and 80 /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 11065 8756 97 CHINAMOBILE-CN China Mobile Communication
7545 6181 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4446 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4303 534 304 BBIL-AP BHARTI Airtel Ltd., IN
7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3267 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2878 854 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4755 2173 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 13639 40827 5206 AMAZON-02, US
11492 4760 316 593 CABLEONE, US
7155 3863 286 85 VIASAT-SP-BACKBONE, US
6327 3631 1320 81 SHAW, CA
22773 3607 3037 211 ASN-CXA-ALL-CCI-22773-RDC, US
174 3437 8746 891 COGENT-174, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3182 3853 424 GOOGLE-CLOUD-PLATFORM, US
16625 3140 1313 2263 AKAMAI-AS, US
36352 2814 230 856 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 7685 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4051 3395 127 AKAMAI-ASN1, NL
9009 3912 359 2088 M247, RO
12389 3110 2306 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2391 360 580 TELLCOM-AS, TR
212238 2240 163 1644 CDNEXT, GB
8452 1635 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 12178 3255 582 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2548 540 363 Mega Cable, S.A. de C.V., MX
11830 1991 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 1195 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 1780 644 27 RAYA-AS, EG
24863 1634 389 17 LINKdotNET-AS, EG
29571 1614 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 551 82 3 KENET-AS, KE
15399 522 55 48 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 13639 40827 5206 AMAZON-02, US
8151 12178 3255 582 UNINET, MX
9808 11065 8756 97 CHINAMOBILE-CN China Mobile Communication
12479 7685 1714 148 UNI2-AS, ES
7545 6181 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4760 316 593 CABLEONE, US
18403 4446 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4303 534 304 BBIL-AP BHARTI Airtel Ltd., IN
20940 4051 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 12178 11596 UNINET, MX
9808 11065 10968 CHINAMOBILE-CN China Mobile Communications Grou
12479 7685 7537 UNI2-AS, ES
7545 6181 5530 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4446 4421 FPT-AS-AP FPT Telecom Company, VN
11492 4760 4167 CABLEONE, US
9498 4303 3999 BBIL-AP BHARTI Airtel Ltd., IN
20940 4051 3924 AKAMAI-ASN1, NL
7552 3923 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
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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
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
/13:583 /14:1221 /15:2163 /16:13894 /17:8263 /18:13707
/19:24614 /20:44042 /21:51749 /22:112111 /23:102592 /24:609501
/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 6604 7685 UNI2-AS, ES
8151 6379 12178 UNINET, MX
11492 3557 4760 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3631 SHAW, CA
7155 2822 3863 VIASAT-SP-BACKBONE, US
22773 2735 3607 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2391 13639 AMAZON-02, US
30036 2245 2587 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 2:1517 3:807 4:9 5:4718 6:162
7:6 8:1572 9:1 11:172 12:1355 13:438
14:2520 15:361 16:285 17:376 18:919 20:544
21:4 22:188 23:7607 24:2808 25:2 27:2787
29:19 31:3279 32:36 33:1 34:80 35:254
36:3056 37:4599 38:9155 39:909 40:172 41:4198
42:1967 43:2603 44:379 45:18546 46:5130 47:318
49:1935 50:1886 51:591 52:1570 54:322 55:1093
56:11 57:263 58:2212 59:1227 60:1171 61:2793
62:2937 63:1802 64:5469 65:2071 66:4653 67:3062
68:1157 69:3949 70:1138 71:636 72:2860 74:2800
75:1518 76:616 77:2716 78:1910 79:1707 80:2213
81:2056 82:3134 83:1447 84:1872 85:3449 86:1077
87:2143 88:1329 89:4396 90:770 91:8387 92:2711
93:2920 94:4046 95:4363 96:1462 97:311 98:1020
99:695 100:73 101:1405 102:3852 103:32219 104:5099
105:760 106:1035 107:2679 108:1250 109:4076 110:2239
111:3272 112:2136 113:1806 114:1980 115:2141 116:2055
117:2569 118:2895 119:1907 120:1974 121:1383 122:2769
123:2193 124:1585 125:2861 126:91 128:1609 129:964
130:1307 131:1995 132:780 133:449 134:1548 135:334
136:1351 137:1266 138:2886 139:1601 140:1599 141:1502
142:1903 143:1825 144:1126 145:527 146:2187 147:2117
148:2717 149:2894 150:1246 151:1944 152:2085 153:587
154:7466 155:1731 156:3024 157:1916 158:1319 159:2490
160:3606 161:1850 162:3812 163:2196 164:1843 165:2219
166:1492 167:1943 168:4006 169:797 170:5126 171:1013
172:4452 173:3317 174:925 175:1300 176:3705 177:4686
178:3705 179:2295 180:2627 181:4081 182:3446 183:2089
184:2118 185:21606 186:5147 187:4509 188:4242 189:4291
190:9588 191:1482 192:11310 193:9479 194:7803 195:5535
196:3270 197:3652 198:6115 199:8520 200:8214 201:6352
202:10282 203:10655 204:4546 205:3610 206:4496 207:3501
208:4254 209:5117 210:4610 211:2531 212:4577 213:3738
214:1033 215:48 216:6780 217:3148 218:1356 219:379
220:2082 221:1125 222:723 223:2443
End of report
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