AS18555 The Art Institute of Chicago 🇺🇸 US

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
4,352 (17 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS18555
Name
The Art Institute of Chicago
Organisation
The Art Institute of Chicago
Country
🇺🇸 US
RIR
ARIN
Allocated
2000-09-12

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Announced prefixes

2 in total

Prefix RPKI Peers Sample path First seen
198.40.16.0/20 v4 no ROA 41 34549646118555 2026-09-18
198.40.23.0/24 v4 no ROA 41 34549646118555 2026-09-18