AS1540 Headquarters, USAISC 🇺🇸 US

Announcing 2,177 prefixes, seen at the RIS collectors.

IPv4 prefixes
2,112
8,691,968 (33,953 × /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%) 2,177 no ROA (100.0%)

Announced prefixes

2,112 in total

Prefix RPKI Peers Sample path First seen
158.13.128.0/21 v4 no ROA 44 377213356721270641540 2026-09-18
158.13.192.0/18 v4 no ROA 44 377213356721270641540 2026-09-18
158.14.75.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.76.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.77.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.78.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.79.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.80.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.81.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.82.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.83.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.84.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.85.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.86.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.87.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.88.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.89.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.108.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.110.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.112.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.114.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.116.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.118.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.120.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.122.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.124.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.126.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.128.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.130.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.132.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.134.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.136.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.138.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.140.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.142.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.144.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.146.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.148.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.150.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.152.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.154.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.156.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.158.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.160.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.162.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.164.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.166.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.168.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.170.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.172.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.174.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.176.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.178.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.180.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.182.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.184.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.186.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.206.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.208.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.210.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.212.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.214.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.216.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.218.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.220.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.222.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.224.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.226.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.228.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.230.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.232.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.234.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.236.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.238.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.240.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.242.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.14.244.0/23 v4 no ROA 44 377213356721270641540 2026-10-15
158.16.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.0.0/20 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.16.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.24.0/21 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.32.0/23 v4 no ROA 44 377213356721270641540 2026-11-05
158.16.34.0/23 v4 no ROA 44 377213356721270641540 2026-11-05
158.16.36.0/23 v4 no ROA 44 377213356721270641540 2026-11-05
158.16.38.0/24 v4 no ROA 44 377213356721270641540 2026-11-05
158.16.48.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.80.0/23 v4 no ROA 44 377213356721270641540 2026-11-10
158.16.82.0/23 v4 no ROA 44 377213356721270641540 2026-11-10
158.16.84.0/23 v4 no ROA 44 377213356721270641540 2026-11-10
158.16.86.0/23 v4 no ROA 42 377213356721270641540 2026-11-10
158.16.224.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.226.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.228.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.230.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.232.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.234.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.237.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.239.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.242.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.244.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
158.16.246.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
158.17.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
158.19.128.0/17 v4 no ROA 44 377213356721270641540 2026-09-18
158.20.20.0/24 v4 no ROA 43 377213356721270641540 2026-11-04
158.20.69.0/24 v4 no ROA 43 377213356721270641540 2026-11-04
158.20.124.0/22 v4 no ROA 43 377213356721270641540 2026-11-04
158.20.128.0/17 v4 no ROA 43 377213356721270641540 2026-11-04
158.20.252.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.132.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
160.133.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
160.134.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.0.0/17 v4 no ROA 43 377213356721270641540 2026-09-18
160.136.0.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.1.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.2.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.3.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.4.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.6.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.7.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.8.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.9.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.10.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.11.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.12.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.13.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.14.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.15.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.20.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.21.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.22.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.28.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.136.29.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.30.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.55.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.60.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.136.61.0/24 v4 no ROA 44 377213356721270641540 2026-10-23
160.136.62.0/24 v4 no ROA 44 377213356721270641540 2026-10-28
160.136.63.0/24 v4 no ROA 44 377213356721270641540 2026-10-23
160.136.91.0/24 v4 no ROA 1 6121869393356721270643671540 2026-11-10
160.138.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
160.140.112.0/22 v4 no ROA 43 377213356721270641540 2026-11-04
160.140.117.0/24 v4 no ROA 43 377213356721270641540 2026-11-04
160.140.136.0/24 v4 no ROA 1 6121869393356721270641540 2026-11-10
160.140.240.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
160.140.245.0/24 v4 no ROA 43 377213356721270641540 2026-10-15
160.140.246.0/24 v4 no ROA 44 377213356721270641540 2026-11-06
160.140.247.0/24 v4 no ROA 44 377213356721270641540 2026-10-22
160.141.211.0/24 v4 no ROA 4 5030032573356721270641540 2026-11-13
160.141.217.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.145.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
160.147.12.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.14.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.147.30.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.31.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.33.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.147.37.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.41.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.49.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.50.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.54.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.71.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.76.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.147.84.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.147.88.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.89.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.90.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.91.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.92.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.96.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.106.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.113.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.147.160.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.164.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.172.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.176.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.180.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.184.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.188.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.200.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.147.201.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.147.202.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.147.203.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.147.204.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.227.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
160.147.232.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.246.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.251.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
160.147.254.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
164.66.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
164.169.0.0/20 v4 no ROA 43 377213356721270641540 2026-09-18
164.169.32.0/20 v4 no ROA 44 377213356721270641540 2026-09-18
164.169.32.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
164.169.80.0/20 v4 no ROA 44 377213356721270643671540 2026-11-04
164.169.100.0/24 v4 no ROA 44 377213356721270641540 2026-10-22
164.169.112.0/20 v4 no ROA 44 377213356721270641540 2026-09-18
164.169.144.0/20 v4 no ROA 44 377213356721270641540 2026-09-18
164.169.160.0/20 v4 no ROA 43 377213356721270641540 2026-09-18
192.12.126.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
192.35.147.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
192.52.117.0/24 v4 no ROA 43 377213356721270641540 2026-09-18