AS1540 Headquarters, USAISC 🇺🇸 US

Announcing 2,183 prefixes, seen at the RIS collectors.

IPv4 prefixes
2,119
8,701,440 (33,990 × /24)
IPv6 prefixes
64
64 × /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%) 2,183 no ROA (100.0%)

Announced prefixes

2,183 in total

Prefix RPKI Peers Sample path First seen
6.16.48.0/24 v4 no ROA 43 377213356721270651540 2026-10-27
6.16.51.0/24 v4 no ROA 43 377213356721270641540 2026-10-15
6.16.52.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.66.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.67.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.68.0/24 v4 no ROA 43 377213356721270641540 2026-10-15
6.16.69.0/24 v4 no ROA 43 377213356721270641540 2026-10-15
6.16.70.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.71.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.72.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.73.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.76.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
6.16.77.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
6.16.78.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
6.16.79.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
6.16.80.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.81.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.90.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.91.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.92.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.93.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.94.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.95.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.96.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.97.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.100.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.101.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.102.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.103.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.104.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.105.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.106.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.107.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.108.0/24 v4 no ROA 42 377213356721270641540 2026-11-04
6.16.109.0/24 v4 no ROA 42 377213356721270641540 2026-11-04
6.16.112.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.113.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.16.115.0/24 v4 no ROA 43 377213356721270651540 2026-10-27
6.17.80.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.17.88.0/21 v4 no ROA 43 377213356721270641540 2026-09-18
6.41.0.0/16 v4 no ROA 43 377213356721270641540 2026-09-29
6.42.56.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.58.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.60.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.64.0/18 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.128.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.130.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.132.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.134.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.136.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.138.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.140.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.142.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.144.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.146.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.148.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.150.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.152.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.154.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.156.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.158.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.160.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.162.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.164.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.166.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.168.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.170.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.172.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.174.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.176.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.178.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.180.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.182.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.184.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.186.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.188.0/23 v4 no ROA 43 377213356721270641540 2026-10-22
6.42.192.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.196.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.200.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.204.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.208.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.212.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.216.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.220.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.224.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.228.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.232.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.243.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.244.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.245.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.246.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.42.247.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.44.0.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.4.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.8.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.12.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.16.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.20.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.24.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.28.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.32.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.36.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.40.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.44.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.48.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.52.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.56.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.60.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.64.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.68.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.72.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.76.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.80.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.84.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.88.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.92.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.96.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.100.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.104.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.108.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.112.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.116.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.120.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.124.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.128.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.132.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.136.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.140.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.144.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.148.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.152.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.156.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.160.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.164.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.168.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.172.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.176.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.180.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.184.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.188.0/22 v4 no ROA 43 377213356721270641540 2026-10-15
6.44.197.0/24 v4 no ROA 43 377213356721270641540 2026-10-15
6.45.32.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.45.36.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.45.40.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.45.44.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.48.64.0/20 v4 no ROA 43 377213356721270641540 2026-09-18
6.50.40.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.64.128.0/23 v4 no ROA 43 377213356721270641540 2026-10-15
6.64.138.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.64.146.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.64.150.0/24 v4 no ROA 42 377213356721270641540 2026-11-04
6.64.151.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.64.152.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.64.157.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.64.159.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.64.162.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.64.163.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.64.166.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.4.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.6.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.8.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.16.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.20.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.26.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.27.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.34.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.35.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.36.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.40.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.44.0/22 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.48.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.50.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.51.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.58.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.59.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.130.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.132.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.134.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.136.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.138.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.140.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.142.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.144.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.146.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.148.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.150.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.152.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.154.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.156.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.158.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.160.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.162.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.164.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.166.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.168.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.170.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.172.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.174.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.176.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
6.65.178.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
1234567…11Next