[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jul 15 21:40:07 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Tue 15 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: 986183
Prefixes after maximum aggregation (per Origin AS): 382904
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 486329
Number of IPv4 prefixes with a valid ROA: 554571
Number of IPv4 prefixes with an invalid ROA: 176
Number of IPv4 prefixes with no ROA: 431436
Total ASes present in the Internet Routing Table: 77017
Prefixes per ASN: 12.80
Origin-only ASes present in the Internet Routing Table: 65957
Origin ASes announcing only one prefix: 26906
Transit ASes present in the Internet Routing Table: 11060
Transit-only ASes present in the Internet Routing Table: 567
Paths with bogon ASNs present in the IPv4 Routing Table: 320
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 53
Max AS path prepend of ASN ( 7438) 33
Prefixes from unregistered ASNs in the Routing Table: 1246
Number of instances of unregistered ASNs: 1282
Number of 32-bit ASNs allocated by the RIRs: 46832
Number of 32-bit ASNs visible in the Routing Table: 38546
Prefixes from 32-bit ASNs in the Routing Table: 205168
Number of bogon 32-bit ASNs visible in the Routing Table: 105
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 475
Number of addresses announced to Internet: 3105966848
Equivalent to 185 /8s, 33 /16s and 75 /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: 322195
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260899
Total APNIC prefixes after maximum aggregation: 77775
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 251939
Unique aggregates announced from the APNIC address blocks: 105139
APNIC Region origin ASes present in the Internet Routing Table: 14699
APNIC Prefixes per ASN: 17.14
APNIC Region origin ASes announcing only one prefix: 4494
APNIC Region transit ASes present in the Internet Routing Table: 1981
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: 10238
Number of APNIC addresses announced to Internet: 748994048
Equivalent to 44 /8s, 164 /16s and 190 /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: 290309
Total ARIN prefixes after maximum aggregation: 131929
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292288
Unique aggregates announced from the ARIN address blocks: 140799
ARIN Region origin ASes present in the Internet Routing Table: 19206
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 7026
ARIN Region transit ASes present in the Internet Routing Table: 1991
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: 5249
Number of ARIN addresses announced to Internet: 1349485056
Equivalent to 80 /8s, 111 /16s and 130 /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: 276417
Total RIPE prefixes after maximum aggregation: 135871
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275283
Unique aggregates announced from the RIPE address blocks: 176968
RIPE Region origin ASes present in the Internet Routing Table: 28938
RIPE Prefixes per ASN: 9.51
RIPE Region origin ASes announcing only one prefix: 12046
RIPE Region transit ASes present in the Internet Routing Table: 3987
Average RIPE Region AS path length visible: 5.5
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12550
Number of RIPE addresses announced to Internet: 731525888
Equivalent to 43 /8s, 154 /16s and 51 /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: 124047
Total LACNIC prefixes after maximum aggregation: 29751
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 120383
Unique aggregates announced from the LACNIC address blocks: 49146
LACNIC Region origin ASes present in the Internet Routing Table: 11264
LACNIC Prefixes per ASN: 10.69
LACNIC Region origin ASes announcing only one prefix: 2650
LACNIC Region transit ASes present in the Internet Routing Table: 2535
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: 9225
Number of LACNIC addresses announced to Internet: 171007744
Equivalent to 10 /8s, 49 /16s and 95 /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: 33265
Total AfriNIC prefixes after maximum aggregation: 6735
AfriNIC Deaggregation factor: 4.94
Prefixes being announced from the AfriNIC address blocks: 45814
Unique aggregates announced from the AfriNIC address blocks: 13853
AfriNIC Region origin ASes present in the Internet Routing Table: 1919
AfriNIC Prefixes per ASN: 23.87
AfriNIC Region origin ASes announcing only one prefix: 690
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: 33
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1284
Number of AfriNIC addresses announced to Internet: 104694272
Equivalent to 6 /8s, 61 /16s and 130 /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 11817 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6145 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4453 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4392 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3913 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3700 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3278 1868 100 VNPT-AS-VN VNPT Corp, VN
24560 2902 862 519 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2649 811 177 CMNET-JIANGSU-AP China Mobile communicati
4755 2185 434 193 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 13662 40961 5272 AMAZON-02, US
11492 4789 317 607 CABLEONE, US
7155 3856 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
174 3473 8770 855 COGENT-174, US
22773 3342 3032 166 ASN-CXA-ALL-CCI-22773-RDC, US
749 3225 54767 2476 DNIC-AS-00749, US
396982 3194 3854 430 GOOGLE-CLOUD-PLATFORM, US
16625 3065 1298 2228 AKAMAI-AS, US
4155 2858 217 1729 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 7637 1713 150 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4071 3395 127 AKAMAI-ASN1, NL
9009 3771 358 2094 M247, RO
12389 3117 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 582 TELLCOM-AS, TR
212238 2325 165 1695 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1558 1852 14 TE-AS TE-AS, EG
203020 1475 164 648 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 12303 3255 573 UNINET, MX
10620 3512 481 1022 Telmex Colombia S.A., CO
13999 2525 511 349 Mega Cable, S.A. de C.V., MX
11830 1984 369 64 Instituto Costarricense de Electricidad y
28573 1368 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 786 204 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1196 371 22 Telefonica del Peru S.A.A., PE
11664 1192 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1065 71 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1022 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 1685 633 33 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36992 1205 1477 332 ETISALAT-MISR, EG
36935 822 520 43 Vodafone-, EG
37069 702 1112 11 MOBINIL, EG
24863 656 389 22 LINKdotNET-AS, EG
20011 568 154 212 INTERNET-SOLUTIONS, ZA
36914 565 82 3 KENET-AS, KE
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 13662 40961 5272 AMAZON-02, US
8151 12303 3255 573 UNINET, MX
9808 11817 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7637 1713 150 UNI2-AS, ES
7545 6145 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4789 317 607 CABLEONE, US
18403 4453 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4392 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4071 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 12303 11730 UNINET, MX
9808 11817 11701 CHINAMOBILE-CN China Mobile Communications Grou
12479 7637 7487 UNI2-AS, ES
7545 6145 5523 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4453 4428 FPT-AS-AP FPT Telecom Company, VN
11492 4789 4182 CABLEONE, US
9498 4392 4081 BBIL-AP BHARTI Airtel Ltd., IN
20940 4071 3944 AKAMAI-ASN1, NL
7552 3913 3886 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 /14:1209 /15:2139 /16:13755 /17:8220 /18:13490
/19:24470 /20:43568 /21:51628 /22:111169 /23:102673 /24:612818
/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 6572 7637 UNI2-AS, ES
8151 6528 12303 UNINET, MX
11492 3583 4789 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2815 3856 VIASAT-SP-BACKBONE, US
22773 2494 3342 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2337 13662 AMAZON-02, US
30036 2268 2609 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2199 3512 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)
----------------------------------------------
1:2396 2:1528 3:852 4:10 5:4736 6:163
7:6 8:1555 9:1 11:172 12:1339 13:458
14:2554 15:366 16:286 17:383 18:894 20:556
21:4 22:188 23:7730 24:2724 25:2 27:2816
29:19 31:3334 32:35 33:1 34:80 35:256
36:3527 37:4568 38:9379 39:909 40:253 41:4145
42:1950 43:2677 44:372 45:18482 46:5097 47:337
49:1885 50:1944 51:591 52:1552 54:324 55:1109
56:11 57:272 58:2188 59:1227 60:1174 61:2789
62:2943 63:1797 64:5529 65:2049 66:4720 67:3100
68:1086 69:3896 70:1044 71:631 72:2851 74:2790
75:1507 76:607 77:2764 78:1919 79:1708 80:2200
81:2075 82:3179 83:1438 84:1889 85:3465 86:1083
87:2140 88:1347 89:4420 90:776 91:8414 92:2751
93:2947 94:4075 95:4437 96:1470 97:309 98:955
99:700 100:72 101:1179 102:3895 103:32256 104:5279
105:742 106:968 107:2633 108:1254 109:4159 110:2231
111:3286 112:2217 113:1837 114:1956 115:2250 116:2065
117:2575 118:2987 119:1904 120:2119 121:1331 122:2787
123:2242 124:1635 125:2876 126:91 128:1614 129:964
130:1296 131:2040 132:775 133:450 134:1580 135:350
136:1432 137:1270 138:2757 139:1585 140:1636 141:1522
142:1908 143:1984 144:1186 145:559 146:2179 147:2101
148:2702 149:2935 150:1231 151:2222 152:2080 153:592
154:7518 155:1834 156:3028 157:1938 158:1341 159:2509
160:3624 161:1862 162:3863 163:2238 164:1867 165:2104
166:1518 167:2020 168:3985 169:782 170:5118 171:1003
172:4432 173:3382 174:917 175:1320 176:3719 177:4717
178:3944 179:2304 180:2613 181:4083 182:3500 183:2138
184:2086 185:21564 186:5202 187:4630 188:4257 189:4326
190:9551 191:1479 192:11336 193:9467 194:7773 195:5580
196:3280 197:3133 198:6112 199:8566 200:8232 201:6352
202:10377 203:10633 204:4587 205:3617 206:4530 207:3530
208:4286 209:5119 210:4622 211:2590 212:4550 213:3809
214:1021 215:46 216:6746 217:3188 218:1364 219:393
220:2138 221:1187 222:712 223:2633
End of report
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