[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jul 24 21:41:15 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Thu 24 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: 989886
Prefixes after maximum aggregation (per Origin AS): 383267
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 487107
Number of IPv4 prefixes with a valid ROA: 556922
Number of IPv4 prefixes with an invalid ROA: 170
Number of IPv4 prefixes with no ROA: 432794
Total ASes present in the Internet Routing Table: 77089
Prefixes per ASN: 12.84
Origin-only ASes present in the Internet Routing Table: 66031
Origin ASes announcing only one prefix: 26953
Transit ASes present in the Internet Routing Table: 11058
Transit-only ASes present in the Internet Routing Table: 559
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 53
Max AS path prepend of ASN ( 37447) 34
Prefixes from unregistered ASNs in the Routing Table: 1265
Number of instances of unregistered ASNs: 1303
Number of 32-bit ASNs allocated by the RIRs: 46895
Number of 32-bit ASNs visible in the Routing Table: 38616
Prefixes from 32-bit ASNs in the Routing Table: 205809
Number of bogon 32-bit ASNs visible in the Routing Table: 109
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 462
Number of addresses announced to Internet: 3107049984
Equivalent to 185 /8s, 49 /16s and 210 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 322962
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 262097
Total APNIC prefixes after maximum aggregation: 77858
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 253183
Unique aggregates announced from the APNIC address blocks: 104970
APNIC Region origin ASes present in the Internet Routing Table: 14708
APNIC Prefixes per ASN: 17.21
APNIC Region origin ASes announcing only one prefix: 4501
APNIC Region transit ASes present in the Internet Routing Table: 1983
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10248
Number of APNIC addresses announced to Internet: 749103616
Equivalent to 44 /8s, 166 /16s and 106 /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: 291002
Total ARIN prefixes after maximum aggregation: 132015
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292758
Unique aggregates announced from the ARIN address blocks: 141342
ARIN Region origin ASes present in the Internet Routing Table: 19244
ARIN Prefixes per ASN: 15.21
ARIN Region origin ASes announcing only one prefix: 7040
ARIN Region transit ASes present in the Internet Routing Table: 1992
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: 5262
Number of ARIN addresses announced to Internet: 1349286912
Equivalent to 80 /8s, 108 /16s and 124 /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: 276504
Total RIPE prefixes after maximum aggregation: 136058
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275447
Unique aggregates announced from the RIPE address blocks: 177408
RIPE Region origin ASes present in the Internet Routing Table: 28947
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12054
RIPE Region transit ASes present in the Internet Routing Table: 3992
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12574
Number of RIPE addresses announced to Internet: 732153088
Equivalent to 43 /8s, 163 /16s and 197 /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: 124423
Total LACNIC prefixes after maximum aggregation: 29720
LACNIC Deaggregation factor: 4.19
Prefixes being announced from the LACNIC address blocks: 120731
Unique aggregates announced from the LACNIC address blocks: 49105
LACNIC Region origin ASes present in the Internet Routing Table: 11263
LACNIC Prefixes per ASN: 10.72
LACNIC Region origin ASes announcing only one prefix: 2657
LACNIC Region transit ASes present in the Internet Routing Table: 2516
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 37
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9231
Number of LACNIC addresses announced to Internet: 171142144
Equivalent to 10 /8s, 51 /16s and 108 /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: 34595
Total AfriNIC prefixes after maximum aggregation: 6770
AfriNIC Deaggregation factor: 5.11
Prefixes being announced from the AfriNIC address blocks: 47304
Unique aggregates announced from the AfriNIC address blocks: 13895
AfriNIC Region origin ASes present in the Internet Routing Table: 1935
AfriNIC Prefixes per ASN: 24.45
AfriNIC Region origin ASes announcing only one prefix: 701
AfriNIC Region transit ASes present in the Internet Routing Table: 382
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: 1301
Number of AfriNIC addresses announced to Internet: 105106176
Equivalent to 6 /8s, 67 /16s and 203 /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 12041 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6139 840 620 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4504 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3918 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3696 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3279 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2910 863 511 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2814 811 177 CMNET-JIANGSU-AP China Mobile communicati
4755 2177 429 189 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 13675 40975 5281 AMAZON-02, US
11492 4819 319 605 CABLEONE, US
7155 3855 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3464 8771 862 COGENT-174, US
22773 3341 3031 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3222 54766 2473 DNIC-AS-00749, US
396982 3198 3856 434 GOOGLE-CLOUD-PLATFORM, US
16625 3063 1297 2223 AKAMAI-AS, US
4155 2862 217 1732 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 7595 1712 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4038 3395 127 AKAMAI-ASN1, NL
9009 3815 362 2131 M247, RO
12389 3117 2315 870 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2404 361 584 TELLCOM-AS, TR
212238 2320 164 1688 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1588 1852 14 TE-AS TE-AS, EG
203020 1517 183 662 HOSTROYALE, IN
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 12306 3259 575 UNINET, MX
10620 3486 474 1026 Telmex Colombia S.A., CO
13999 2525 511 349 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1370 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1348 787 206 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1205 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1197 371 22 Telefonica del Peru S.A.A., PE
22884 1069 71 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1017 372 160 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 1729 660 28 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1313 1489 356 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
24863 1221 389 20 LINKdotNET-AS, EG
37069 1086 1112 11 MOBINIL, EG
36935 832 520 43 Vodafone-, EG
36914 582 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 532 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 13675 40975 5281 AMAZON-02, US
8151 12306 3259 575 UNINET, MX
9808 12041 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7595 1712 148 UNI2-AS, ES
7545 6139 840 620 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4819 319 605 CABLEONE, US
39891 4798 293 63 ALJAWWALSTC-AS, SA
18403 4504 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4464 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 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
9808 12041 11925 CHINAMOBILE-CN China Mobile Communications Grou
8151 12306 11731 UNINET, MX
12479 7595 7447 UNI2-AS, ES
7545 6139 5519 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4504 4479 FPT-AS-AP FPT Telecom Company, VN
11492 4819 4214 CABLEONE, US
9498 4464 4153 BBIL-AP BHARTI Airtel Ltd., IN
20940 4038 3911 AKAMAI-ASN1, NL
7552 3918 3891 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
398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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: 21859 ZEN-ECN, 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
23.147.224.0/24 Origin: 27392 639-DATACENTERS, US
23.147.224.0/24 Transit: 3356 LEVEL3, 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 /12:298
/13:582 /14:1210 /15:2150 /16:13792 /17:8227 /18:13515
/19:24558 /20:43935 /21:51715 /22:111881 /23:102859 /24:615000
/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 6543 7595 UNI2-AS, ES
8151 6526 12306 UNINET, MX
11492 3611 4819 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2814 3855 VIASAT-SP-BACKBONE, US
22773 2493 3341 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2358 13675 AMAZON-02, US
30036 2283 2624 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2197 3486 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)
----------------------------------------------
1:2407 2:1520 3:855 4:10 5:4759 6:163
7:6 8:1554 9:1 11:172 12:1341 13:463
14:2571 15:366 16:286 17:375 18:897 20:558
21:4 22:188 23:7763 24:2725 25:2 27:2808
29:19 31:3350 32:35 33:1 34:80 35:257
36:3813 37:4561 38:9478 39:940 40:248 41:4240
42:1996 43:2693 44:378 45:18564 46:5098 47:336
49:1891 50:2011 51:591 52:1549 54:323 55:1110
56:11 57:275 58:2175 59:1293 60:1171 61:2796
62:2978 63:1796 64:5535 65:2162 66:4731 67:3106
68:1070 69:3886 70:1038 71:629 72:2851 74:2803
75:1508 76:606 77:2763 78:1921 79:1687 80:2202
81:2044 82:3185 83:1438 84:1894 85:3472 86:1090
87:2134 88:1343 89:4384 90:777 91:8404 92:2709
93:2952 94:4073 95:4418 96:1472 97:310 98:954
99:695 100:71 101:1189 102:3897 103:32228 104:5208
105:797 106:971 107:2654 108:1266 109:4182 110:2231
111:3336 112:2285 113:1842 114:1964 115:2256 116:2066
117:2622 118:2986 119:1909 120:2158 121:1335 122:2795
123:2244 124:1654 125:2871 126:91 128:1625 129:968
130:1301 131:2037 132:775 133:450 134:1590 135:351
136:1462 137:1266 138:2827 139:1587 140:1634 141:1514
142:1913 143:1946 144:1173 145:566 146:2182 147:2095
148:2713 149:2941 150:1271 151:2222 152:2071 153:590
154:7533 155:1849 156:3083 157:1945 158:1349 159:2519
160:3596 161:1900 162:3854 163:2250 164:1867 165:2378
166:1525 167:2019 168:3971 169:788 170:5116 171:999
172:4239 173:3395 174:917 175:1325 176:3732 177:4689
178:3927 179:2293 180:2582 181:4125 182:3533 183:2188
184:2081 185:21575 186:5223 187:4646 188:4264 189:4352
190:9564 191:1495 192:11358 193:9473 194:7752 195:5576
196:3284 197:3194 198:6129 199:8609 200:8213 201:6390
202:10395 203:10678 204:4647 205:3588 206:4528 207:3553
208:4298 209:5125 210:4661 211:2599 212:4553 213:3821
214:1022 215:48 216:6756 217:3227 218:1373 219:395
220:2145 221:1198 222:743 223:2708
End of report
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