AS1540 Headquarters, USAISC 🇺🇸 US

Announcing 2,172 prefixes, seen at the RIS collectors.

IPv4 prefixes
2,107
8,689,152 (33,942 × /24)
IPv6 prefixes
65
65 × /48
Upstreams
2
transit providers observed
Peers
1
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it

Registry and operator data

AS number
AS1540
Name
Headquarters, USAISC
Organisation
Headquarters, USAISC
Country
🇺🇸 US
RIR
ARIN
Allocated
2004-05-12

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 2,172 no ROA (100.0%)

Announced prefixes

2,107 in total

Prefix RPKI Peers Sample path First seen
147.104.249.0/24 v4 no ROA 44 377213356721270641540 2026-11-01
147.130.128.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.130.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.132.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.134.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.136.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.138.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.140.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.142.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.144.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.146.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.148.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.150.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.152.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.154.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.156.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.158.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.160.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.162.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.164.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.166.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.168.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.170.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.172.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.174.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.176.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.178.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.180.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.182.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.184.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.186.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.188.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.190.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.192.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.194.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.196.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.198.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.200.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.202.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.204.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.130.206.0/23 v4 no ROA 43 377213356721270641540 2026-11-04
147.164.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
147.165.0.0/16 v4 no ROA 43 377213356721270641540 2026-11-04
147.166.0.0/16 v4 no ROA 43 377213356721270641540 2026-10-15
147.169.0.0/16 v4 no ROA 44 377213356721270641540 2026-11-04
147.169.67.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
147.198.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
147.198.251.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
147.216.7.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
147.216.8.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
147.216.9.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
147.217.0.0/18 v4 no ROA 42 377213356721270641540 2026-10-22
147.217.64.0/18 v4 no ROA 43 377213356721270641540 2026-10-15
147.217.128.0/17 v4 no ROA 43 377213356721270641540 2026-10-15
147.221.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
147.238.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
147.238.1.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
147.239.0.0/16 v4 no ROA 43 377213356721270641540 2026-10-15
147.240.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
147.248.64.0/19 v4 no ROA 44 377213356721270651540 2026-10-20
147.248.128.0/20 v4 no ROA 43 377213356721270651540 2026-10-20
147.248.128.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
147.248.144.0/20 v4 no ROA 44 377213356721270651540 2026-10-20
147.248.160.0/20 v4 no ROA 44 377213356721270651540 2026-10-20
147.248.160.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
150.113.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
150.113.125.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
150.133.56.0/22 v4 no ROA 44 377213356721270641540 2026-09-18
150.149.32.0/22 v4 no ROA 44 377213356721270641540 2026-09-18
150.149.36.0/22 v4 no ROA 44 377213356721270641540 2026-09-18
150.149.56.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
150.149.96.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
150.149.128.0/19 v4 no ROA 43 377213356721270641540 2026-09-18
150.152.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
150.177.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
150.180.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
150.180.252.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
150.180.254.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
150.192.0.0/16 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.1.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
150.192.8.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.32.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.33.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.34.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.35.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.36.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.37.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.44.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.49.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.50.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.54.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.60.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.62.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.70.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.72.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.92.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.96.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.99.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.100.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.101.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.107.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.112.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.114.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.116.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.118.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.120.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.122.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.124.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.126.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.130.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.220.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.230.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
150.192.240.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
150.193.0.0/16 v4 no ROA 43 377213356721270641540 2026-09-18
150.196.47.0/24 v4 no ROA 44 377213356721270641540 2026-11-10
150.196.151.0/24 v4 no ROA 44 377213356721270641540 2026-10-20
150.196.224.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
150.196.225.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
150.196.226.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
150.196.227.0/24 v4 no ROA 44 377213356721270641540 2026-10-24
150.196.232.0/22 v4 no ROA 43 377213356721270641540 2026-11-04
150.226.0.0/16 v4 no ROA 44 377213356721270641540 2026-11-04
153.103.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
155.8.0.0/16 v4 no ROA 42 377213356721270641540 2026-10-22
155.8.193.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
155.9.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
155.19.0.0/21 v4 no ROA 43 377213356721270641540 2026-09-18
155.19.4.0/22 v4 no ROA 44 377213356721270641540 2026-10-15
155.19.35.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
155.19.44.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
155.19.46.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
155.19.47.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
155.19.144.0/21 v4 no ROA 43 377213356721270641540 2026-09-18
155.19.154.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
155.19.160.0/19 v4 no ROA 44 377213356721270641540 2026-09-18
155.20.67.0/24 v4 no ROA 43 377213356721270641540 2026-11-04
155.20.79.0/24 v4 no ROA 43 377213356721270641540 2026-11-04
155.20.136.0/22 v4 no ROA 43 377213356721270641540 2026-10-09
155.20.182.0/23 v4 no ROA 42 377213356721270641540 2026-10-22
155.20.246.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
155.20.249.0/24 v4 no ROA 44 377213356721270641540 2026-09-29
155.21.16.0/22 v4 no ROA 44 377213356721270641540 2026-10-15
155.21.32.0/20 v4 no ROA 43 377213356721270641540 2026-10-31
155.21.130.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
155.21.152.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
155.21.164.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
155.21.168.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
155.21.170.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
155.21.172.0/23 v4 no ROA 42 377213356721270641540 2026-09-18
155.21.174.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
155.21.178.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
155.21.186.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
155.21.187.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
155.21.188.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
155.22.0.0/18 v4 no ROA 43 377213356721270641540 2026-09-18
155.22.64.0/19 v4 no ROA 43 377213356721270641540 2026-09-18
155.22.96.0/20 v4 no ROA 43 377213356721270641540 2026-09-18
155.22.112.0/21 v4 no ROA 43 377213356721270641540 2026-09-18
155.22.120.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
155.22.125.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
155.22.126.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
155.22.160.0/21 v4 no ROA 44 377213356721270641540 2026-10-15
155.25.0.0/16 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.1.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.2.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.3.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.11.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.12.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.13.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.25.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.28.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.37.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.52.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.53.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.54.0/23 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.77.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.80.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.82.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.88.0/23 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.100.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.112.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.113.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.129.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.155.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.156.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.158.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.184.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.185.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.186.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.187.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.188.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.190.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.193.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.195.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.198.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.202.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
155.25.208.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.209.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.221.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
155.25.222.0/24 v4 no ROA 43 377213356721270651540 2026-10-20