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
138.50.67.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
138.50.68.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
138.50.70.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
138.50.72.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
138.50.73.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
138.50.74.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
138.50.75.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
138.50.96.0/24 v4 no ROA 43 377213356721270651540 2026-10-21
138.50.97.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
138.50.98.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
138.50.104.0/23 v4 no ROA 44 377213356721270651540 2026-10-21
138.50.106.0/23 v4 no ROA 44 377213356721270651540 2026-10-20
138.50.108.0/23 v4 no ROA 44 377213356721270651540 2026-10-20
138.50.110.0/24 v4 no ROA 44 377213356721270651540 2026-10-21
138.50.111.0/24 v4 no ROA 44 377213356721270651540 2026-10-20
138.50.112.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
139.139.0.0/20 v4 no ROA 44 377213356721270651540 2026-10-20
139.139.16.0/20 v4 no ROA 44 377213356721270651540 2026-10-20
139.139.32.0/19 v4 no ROA 43 377213356721270651540 2026-10-20
139.139.64.0/19 v4 no ROA 44 377213356721270651540 2026-10-20
139.139.96.0/20 v4 no ROA 44 377213356721270651540 2026-10-20
139.139.128.0/24 v4 no ROA 43 377213356721270651540 2026-10-21
139.139.130.0/24 v4 no ROA 43 377213356721270651540 2026-10-21
139.139.132.0/24 v4 no ROA 44 377213356721270651540 2026-10-21
139.139.138.0/23 v4 no ROA 43 377213356721270651540 2026-10-21
139.139.160.0/20 v4 no ROA 44 377213356721270651540 2026-10-20
139.139.176.0/20 v4 no ROA 44 377213356721270651540 2026-10-20
139.139.192.0/20 v4 no ROA 44 377213356721270651540 2026-10-20
139.139.208.0/20 v4 no ROA 44 377213356721270651540 2026-10-20
139.139.224.0/19 v4 no ROA 44 377213356721270651540 2026-10-20
139.139.243.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
139.161.0.0/16 v4 no ROA 43 377213356721270641540 2026-09-18
139.161.7.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
139.231.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
139.232.0.0/16 v4 no ROA 43 377213356721270641540 2026-09-18
140.16.138.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
140.139.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
140.153.38.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
140.153.43.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
140.153.70.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
140.153.105.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
140.153.163.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
140.153.179.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
140.153.234.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
140.155.0.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.2.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.4.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.10.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.12.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.14.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.16.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.18.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.19.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.20.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.21.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.22.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.23.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.24.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.25.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.26.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.31.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.34.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.36.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.38.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.40.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.42.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.44.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.46.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.51.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.54.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.55.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.64.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.66.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.72.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.73.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.82.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.84.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.86.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.87.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.88.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.89.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.90.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.96.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.98.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.100.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.108.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.110.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.111.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.112.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.113.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.144.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.146.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.154.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.156.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.158.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.160.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.161.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.162.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.163.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.164.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.165.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.166.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.192.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.194.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.207.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.214.0/24 v4 no ROA 43 377213356721270651540 2026-10-20
140.155.224.0/23 v4 no ROA 43 377213356721270651540 2026-10-20
140.183.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
140.187.0.0/16 v4 no ROA 43 377213356721270641540 2026-10-15
140.187.200.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
140.196.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-23
140.202.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
141.107.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
141.107.40.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.68.192.0/21 v4 no ROA 44 377213356721270641540 2026-09-18
143.68.193.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.68.194.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.68.195.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.68.196.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
143.68.199.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.68.200.0/21 v4 no ROA 43 377213356721270641540 2026-09-18
143.68.201.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.68.202.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.68.203.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.68.204.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
143.68.207.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.68.208.0/21 v4 no ROA 44 377213356721270651540 2026-09-18
143.68.209.0/24 v4 no ROA 44 377213356721270653671540 2026-09-18
143.68.210.0/24 v4 no ROA 44 377213356721270653671540 2026-09-18
143.68.211.0/24 v4 no ROA 44 377213356721270653671540 2026-09-18
143.68.212.0/23 v4 no ROA 44 377213356721270653671540 2026-09-18
143.68.224.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
143.68.236.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
143.68.238.0/23 v4 no ROA 44 377213356721270651540 2026-09-18
143.69.64.0/20 v4 no ROA 43 377213356721270641540 2026-09-18
143.69.83.0/24 v4 no ROA 44 377213356721270641540 2026-10-07
143.69.96.0/23 v4 no ROA 43 377213356721270641540 2026-09-18
143.70.76.0/24 v4 no ROA 2 6121869393356721270641540 2026-11-10
143.70.199.0/24 v4 no ROA 44 377213356721270641540 2026-10-05
143.71.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
143.72.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
143.73.16.0/23 v4 no ROA 42 506283356721270641540 2026-11-03
143.73.37.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
143.73.126.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
143.74.36.0/23 v4 no ROA 44 377213356721270641540 2026-11-05
143.74.250.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.74.252.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
143.76.12.0/24 v4 no ROA 2 6121869393356721270641540 2026-11-10
143.78.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
143.79.0.0/16 v4 no ROA 44 377213356721270641540 2026-09-18
143.79.24.0/23 v4 no ROA 44 377213356721270641540 2026-09-18
143.79.232.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.80.24.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.2.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.84.5.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.84.8.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.18.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.84.24.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.84.25.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.84.29.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.38.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.84.43.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.44.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.45.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.46.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.48.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.62.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.64.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.68.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.72.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.74.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.77.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
143.84.78.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
143.84.79.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.84.96.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.99.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.84.101.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.84.103.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.84.105.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.106.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.107.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.135.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.161.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.162.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.163.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.165.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.167.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.168.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
143.84.169.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.170.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
143.84.171.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.172.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.174.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.176.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.196.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.84.198.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.202.0/24 v4 no ROA 44 377213356721270641540 2026-10-15
143.84.217.0/24 v4 no ROA 43 377213356721270641540 2026-09-18
143.84.229.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
143.84.237.0/24 v4 no ROA 44 377213356721270641540 2026-09-18
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