[REN-BGP-stats-all] IPv4 R&E Routing Table Report - USP (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jul 14 21:40:14 UTC 2025
IPv4 R&E Routing Table Report 21:35 GMT Mon 14 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: 987029
Prefixes after maximum aggregation (per Origin AS): 382830
Deaggregation factor: 2.58
Unique aggregates announced (without unneeded subnets): 485960
Number of IPv4 prefixes with a valid ROA: 554428
Number of IPv4 prefixes with an invalid ROA: 176
Number of IPv4 prefixes with no ROA: 432425
Total ASes present in the Internet Routing Table: 77030
Prefixes per ASN: 12.81
Origin-only ASes present in the Internet Routing Table: 65973
Origin ASes announcing only one prefix: 26910
Transit ASes present in the Internet Routing Table: 11057
Transit-only ASes present in the Internet Routing Table: 560
Paths with bogon ASNs present in the IPv4 Routing Table: 328
Average AS path length visible in the Internet Routing Table: 5.3
Max AS path length visible: 53
Max AS path prepend of ASN ( 7438) 33
Prefixes from unregistered ASNs in the Routing Table: 1251
Number of instances of unregistered ASNs: 1287
Number of 32-bit ASNs allocated by the RIRs: 46830
Number of 32-bit ASNs visible in the Routing Table: 38553
Prefixes from 32-bit ASNs in the Routing Table: 205220
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: 472
Number of addresses announced to Internet: 3106136832
Equivalent to 185 /8s, 35 /16s and 227 /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: 322543
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 261084
Total APNIC prefixes after maximum aggregation: 77737
APNIC Deaggregation factor: 3.36
Prefixes being announced from the APNIC address blocks: 252049
Unique aggregates announced from the APNIC address blocks: 104874
APNIC Region origin ASes present in the Internet Routing Table: 14702
APNIC Prefixes per ASN: 17.14
APNIC Region origin ASes announcing only one prefix: 4491
APNIC Region transit ASes present in the Internet Routing Table: 1980
Average APNIC Region AS path length visible: 5.2
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10236
Number of APNIC addresses announced to Internet: 749074432
Equivalent to 44 /8s, 165 /16s and 248 /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: 290681
Total ARIN prefixes after maximum aggregation: 131892
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 292672
Unique aggregates announced from the ARIN address blocks: 140725
ARIN Region origin ASes present in the Internet Routing Table: 19220
ARIN Prefixes per ASN: 15.23
ARIN Region origin ASes announcing only one prefix: 7033
ARIN Region transit ASes present in the Internet Routing Table: 1993
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: 5252
Number of ARIN addresses announced to Internet: 1349478144
Equivalent to 80 /8s, 111 /16s and 103 /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: 276448
Total RIPE prefixes after maximum aggregation: 135859
RIPE Deaggregation factor: 2.03
Prefixes being announced from the RIPE address blocks: 275333
Unique aggregates announced from the RIPE address blocks: 177032
RIPE Region origin ASes present in the Internet Routing Table: 28928
RIPE Prefixes per ASN: 9.52
RIPE Region origin ASes announcing only one prefix: 12031
RIPE Region transit ASes present in the Internet Routing Table: 3989
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: 12544
Number of RIPE addresses announced to Internet: 731491840
Equivalent to 43 /8s, 153 /16s and 174 /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: 124292
Total LACNIC prefixes after maximum aggregation: 29768
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 120620
Unique aggregates announced from the LACNIC address blocks: 49097
LACNIC Region origin ASes present in the Internet Routing Table: 11273
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2660
LACNIC Region transit ASes present in the Internet Routing Table: 2528
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: 9232
Number of LACNIC addresses announced to Internet: 171128576
Equivalent to 10 /8s, 51 /16s and 55 /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: 33273
Total AfriNIC prefixes after maximum aggregation: 6728
AfriNIC Deaggregation factor: 4.95
Prefixes being announced from the AfriNIC address blocks: 45882
Unique aggregates announced from the AfriNIC address blocks: 13813
AfriNIC Region origin ASes present in the Internet Routing Table: 1923
AfriNIC Prefixes per ASN: 23.86
AfriNIC Region origin ASes announcing only one prefix: 695
AfriNIC Region transit ASes present in the Internet Routing Table: 378
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: 1289
Number of AfriNIC addresses announced to Internet: 104704512
Equivalent to 6 /8s, 61 /16s and 170 /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 11781 8762 116 CHINAMOBILE-CN China Mobile Communication
7545 6145 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4499 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4375 535 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3926 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3718 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3280 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 13692 40961 5268 AMAZON-02, US
11492 4788 317 606 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
22773 3609 3037 209 ASN-CXA-ALL-CCI-22773-RDC, US
174 3466 8769 848 COGENT-174, US
749 3225 54767 2476 DNIC-AS-00749, US
396982 3194 3854 431 GOOGLE-CLOUD-PLATFORM, US
16625 3083 1302 2231 AKAMAI-AS, US
4155 2861 217 1726 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 7647 1713 150 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4081 3395 127 AKAMAI-ASN1, NL
9009 3779 359 2108 M247, RO
12389 3117 2317 873 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2402 361 582 TELLCOM-AS, TR
212238 2332 165 1702 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1580 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 12297 3255 574 UNINET, MX
10620 3513 481 1023 Telmex Colombia S.A., CO
13999 2530 538 352 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1368 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
11664 1190 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1050 70 387 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 1675 633 33 RAYA-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36903 1249 554 96 MT-MPLS, MA
36992 1203 1477 336 ETISALAT-MISR, EG
36935 826 520 40 Vodafone-, EG
37069 702 1112 11 MOBINIL, EG
24863 659 389 22 LINKdotNET-AS, EG
36914 569 82 3 KENET-AS, KE
20011 568 154 212 INTERNET-SOLUTIONS, ZA
15399 531 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 13692 40961 5268 AMAZON-02, US
8151 12297 3255 574 UNINET, MX
9808 11781 8762 116 CHINAMOBILE-CN China Mobile Communication
12479 7647 1713 150 UNI2-AS, ES
7545 6145 840 622 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4788 317 606 CABLEONE, US
18403 4499 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4375 535 311 BBIL-AP BHARTI Airtel Ltd., IN
20940 4081 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 12297 11723 UNINET, MX
9808 11781 11665 CHINAMOBILE-CN China Mobile Communications Grou
12479 7647 7497 UNI2-AS, ES
7545 6145 5523 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4499 4474 FPT-AS-AP FPT Telecom Company, VN
11492 4788 4182 CABLEONE, US
9498 4375 4064 BBIL-AP BHARTI Airtel Ltd., IN
20940 4081 3954 AKAMAI-ASN1, NL
7552 3926 3899 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: 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
23.142.24.0/24 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 /15:2140 /16:13757 /17:8224 /18:13490
/19:24481 /20:43628 /21:51675 /22:111340 /23:102739 /24:613302
/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 6581 7647 UNI2-AS, ES
8151 6521 12297 UNINET, MX
11492 3582 4788 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2739 3609 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2347 13692 AMAZON-02, US
30036 2272 2614 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2200 3513 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)
----------------------------------------------
1:2397 2:1528 3:854 4:10 5:4738 6:163
7:6 8:1554 9:1 11:172 12:1337 13:460
14:2554 15:366 16:285 17:377 18:897 20:556
21:4 22:188 23:7760 24:2730 25:2 27:2814
29:19 31:3324 32:35 33:1 34:80 35:256
36:3526 37:4574 38:9383 39:908 40:253 41:4125
42:1987 43:2676 44:374 45:18512 46:5118 47:335
49:1886 50:1946 51:591 52:1554 54:324 55:1108
56:11 57:273 58:2188 59:1208 60:1176 61:2789
62:2946 63:1796 64:5530 65:2050 66:4728 67:3105
68:1124 69:3893 70:1107 71:631 72:2873 74:2788
75:1509 76:608 77:2762 78:1919 79:1715 80:2196
81:2073 82:3176 83:1437 84:1886 85:3463 86:1083
87:2140 88:1346 89:4414 90:773 91:8411 92:2752
93:2948 94:4074 95:4430 96:1470 97:310 98:999
99:700 100:72 101:1181 102:3892 103:32261 104:5269
105:739 106:975 107:2660 108:1258 109:4156 110:2231
111:3286 112:2220 113:1841 114:1953 115:2252 116:2067
117:2602 118:2987 119:1919 120:2118 121:1331 122:2785
123:2250 124:1632 125:2893 126:91 128:1616 129:965
130:1297 131:2023 132:771 133:450 134:1583 135:350
136:1433 137:1270 138:2833 139:1590 140:1637 141:1522
142:1912 143:1957 144:1185 145:560 146:2180 147:2101
148:2700 149:2944 150:1232 151:2225 152:2080 153:592
154:7546 155:1833 156:3025 157:1936 158:1341 159:2511
160:3625 161:1858 162:3890 163:2242 164:1865 165:2088
166:1513 167:2018 168:3980 169:780 170:5111 171:1007
172:4436 173:3386 174:927 175:1328 176:3719 177:4717
178:3945 179:2308 180:2608 181:4104 182:3498 183:2141
184:2102 185:21561 186:5199 187:4614 188:4262 189:4326
190:9561 191:1479 192:11338 193:9463 194:7762 195:5573
196:3280 197:3140 198:6120 199:8573 200:8213 201:6378
202:10363 203:10647 204:4588 205:3621 206:4530 207:3529
208:4291 209:5107 210:4618 211:2590 212:4554 213:3804
214:1025 215:46 216:6779 217:3187 218:1363 219:393
220:2141 221:1187 222:713 223:2609
End of report
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