[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jun 24 21:40:06 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 24 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: 986094
Prefixes after maximum aggregation (per Origin AS): 380683
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482631
Number of IPv4 prefixes with a valid ROA: 550581
Number of IPv4 prefixes with an invalid ROA: 178
Number of IPv4 prefixes with no ROA: 435335
Total ASes present in the Internet Routing Table: 76918
Prefixes per ASN: 12.82
Origin-only ASes present in the Internet Routing Table: 65904
Origin ASes announcing only one prefix: 26908
Transit ASes present in the Internet Routing Table: 11014
Transit-only ASes present in the Internet Routing Table: 548
Paths with bogon ASNs present in the IPv4 Routing Table: 324
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: 1252
Number of instances of unregistered ASNs: 1290
Number of 32-bit ASNs allocated by the RIRs: 46698
Number of 32-bit ASNs visible in the Routing Table: 38387
Prefixes from 32-bit ASNs in the Routing Table: 204463
Number of bogon 32-bit ASNs visible in the Routing Table: 108
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 455
Number of addresses announced to Internet: 3104031232
Equivalent to 185 /8s, 3 /16s and 194 /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: 322826
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 259485
Total APNIC prefixes after maximum aggregation: 77367
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 250725
Unique aggregates announced from the APNIC address blocks: 104379
APNIC Region origin ASes present in the Internet Routing Table: 14643
APNIC Prefixes per ASN: 17.12
APNIC Region origin ASes announcing only one prefix: 4467
APNIC Region transit ASes present in the Internet Routing Table: 1967
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: 10173
Number of APNIC addresses announced to Internet: 747612672
Equivalent to 44 /8s, 143 /16s and 170 /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: 290677
Total ARIN prefixes after maximum aggregation: 131203
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 292681
Unique aggregates announced from the ARIN address blocks: 139510
ARIN Region origin ASes present in the Internet Routing Table: 19227
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7030
ARIN Region transit ASes present in the Internet Routing Table: 1996
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: 5235
Number of ARIN addresses announced to Internet: 1349077504
Equivalent to 80 /8s, 105 /16s and 74 /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: 275544
Total RIPE prefixes after maximum aggregation: 135030
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274242
Unique aggregates announced from the RIPE address blocks: 175769
RIPE Region origin ASes present in the Internet Routing Table: 28884
RIPE Prefixes per ASN: 9.49
RIPE Region origin ASes announcing only one prefix: 12038
RIPE Region transit ASes present in the Internet Routing Table: 3971
Average RIPE Region AS path length visible: 5.4
Max RIPE Region AS path length visible: 41
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12478
Number of RIPE addresses announced to Internet: 730842880
Equivalent to 43 /8s, 143 /16s and 199 /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: 123821
Total LACNIC prefixes after maximum aggregation: 29604
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 120300
Unique aggregates announced from the LACNIC address blocks: 48941
LACNIC Region origin ASes present in the Internet Routing Table: 11268
LACNIC Prefixes per ASN: 10.68
LACNIC Region origin ASes announcing only one prefix: 2681
LACNIC Region transit ASes present in the Internet Routing Table: 2504
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: 9217
Number of LACNIC addresses announced to Internet: 171227904
Equivalent to 10 /8s, 52 /16s and 187 /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: 35315
Total AfriNIC prefixes after maximum aggregation: 6638
AfriNIC Deaggregation factor: 5.32
Prefixes being announced from the AfriNIC address blocks: 47690
Unique aggregates announced from the AfriNIC address blocks: 13627
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 24.80
AfriNIC Region origin ASes announcing only one prefix: 692
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: 1284
Number of AfriNIC addresses announced to Internet: 105064960
Equivalent to 6 /8s, 67 /16s and 42 /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 11370 8761 111 CHINAMOBILE-CN China Mobile Communication
7545 6155 846 653 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4392 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4332 534 308 BBIL-AP BHARTI Airtel Ltd., IN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3697 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3271 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2891 856 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2192 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 13546 40950 5199 AMAZON-02, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3635 1320 81 SHAW, CA
22773 3605 3037 208 ASN-CXA-ALL-CCI-22773-RDC, US
174 3556 8743 861 COGENT-174, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3193 3854 428 GOOGLE-CLOUD-PLATFORM, US
16625 3119 1309 2257 AKAMAI-AS, US
36352 2837 231 857 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 7676 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4060 3395 127 AKAMAI-ASN1, NL
9009 3907 359 2108 M247, RO
12389 3113 2304 891 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2401 361 581 TELLCOM-AS, TR
212238 2315 169 1697 CDNEXT, GB
8452 1635 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 12221 3256 575 UNINET, MX
10620 3504 481 1016 Telmex Colombia S.A., CO
13999 2537 537 353 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 1202 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1198 371 22 Telefonica del Peru S.A.A., PE
22884 1064 70 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1051 2487 55 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 1822 644 27 RAYA-AS, EG
24863 1622 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 568 82 3 KENET-AS, KE
15399 540 57 59 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 13546 40950 5199 AMAZON-02, US
8151 12221 3256 575 UNINET, MX
9808 11370 8761 111 CHINAMOBILE-CN China Mobile Communication
12479 7676 1713 148 UNI2-AS, ES
7545 6155 846 653 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4781 317 604 CABLEONE, US
39891 4780 291 66 ALJAWWALSTC-AS, SA
18403 4392 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4332 534 308 BBIL-AP BHARTI Airtel Ltd., IN
20940 4060 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 12221 11646 UNINET, MX
9808 11370 11259 CHINAMOBILE-CN China Mobile Communications Grou
12479 7676 7528 UNI2-AS, ES
7545 6155 5502 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4780 4714 ALJAWWALSTC-AS, SA
18403 4392 4367 FPT-AS-AP FPT Telecom Company, VN
11492 4781 4177 CABLEONE, US
9498 4332 4024 BBIL-AP BHARTI Airtel Ltd., IN
20940 4060 3933 AKAMAI-ASN1, NL
7552 3921 3895 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
/13:585 /14:1210 /15:2151 /16:13818 /17:8238 /18:13526
/19:24567 /20:44021 /21:51742 /22:112105 /23:102775 /24:610893
/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 6598 7676 UNI2-AS, ES
8151 6433 12221 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3635 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2736 3605 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2332 13546 AMAZON-02, US
30036 2259 2601 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2191 3504 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)
----------------------------------------------
1:2377 2:1515 3:819 4:10 5:4865 6:162
7:6 8:1564 9:1 11:172 12:1346 13:442
14:2528 15:363 16:285 17:379 18:918 20:551
21:4 22:188 23:7659 24:2886 25:2 27:2783
29:19 31:3284 32:35 33:1 34:80 35:254
36:3151 37:4616 38:9386 39:906 40:192 41:4274
42:1930 43:2624 44:382 45:18566 46:5119 47:318
49:1924 50:1888 51:592 52:1555 54:323 55:1101
56:11 57:272 58:2210 59:1191 60:1171 61:2792
62:2903 63:1793 64:5504 65:2058 66:4672 67:3081
68:1150 69:3950 70:1130 71:631 72:2879 74:2799
75:1517 76:606 77:2743 78:1883 79:1719 80:2206
81:2057 82:3183 83:1507 84:1872 85:3447 86:1083
87:2131 88:1342 89:4413 90:770 91:8397 92:2733
93:2943 94:4025 95:4384 96:1475 97:311 98:1024
99:682 100:72 101:1406 102:3878 103:32378 104:5159
105:764 106:970 107:2676 108:1248 109:4103 110:2235
111:3279 112:2129 113:1844 114:1990 115:2161 116:2062
117:2578 118:2915 119:1906 120:2073 121:1382 122:2791
123:2229 124:1589 125:2869 126:91 128:1614 129:952
130:1297 131:2054 132:773 133:451 134:1549 135:349
136:1347 137:1259 138:2824 139:1591 140:1617 141:1506
142:1916 143:1906 144:1161 145:548 146:2183 147:2116
148:2707 149:2930 150:1266 151:2085 152:2080 153:589
154:7338 155:1757 156:2854 157:1923 158:1327 159:2498
160:3598 161:1857 162:3873 163:2230 164:1858 165:2018
166:1504 167:1978 168:3969 169:793 170:5124 171:1011
172:4476 173:3343 174:928 175:1320 176:3707 177:4700
178:3765 179:2318 180:2637 181:4075 182:3463 183:2100
184:2126 185:21458 186:5154 187:4570 188:4264 189:4290
190:9578 191:1488 192:11344 193:9455 194:7800 195:5532
196:3318 197:3249 198:6106 199:8523 200:8203 201:6382
202:10288 203:10682 204:4555 205:3613 206:4514 207:3502
208:4291 209:5117 210:4615 211:2536 212:4568 213:3762
214:1009 215:47 216:6781 217:3197 218:1356 219:390
220:2074 221:1150 222:725 223:2497
End of report
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