AS12073 Contemporary Computer Services Inc. 🇺🇸 US

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes
4
1,024 (4 × /24)
IPv6 prefixes
0
-
Upstreams
1
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
AS12073
Name
Contemporary Computer Services Inc.
Organisation
Contemporary Computer Services Inc.
Country
🇺🇸 US
RIR
ARIN
Allocated
1999-03-15

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 4 no ROA (100.0%)

Announced prefixes

4 in total

Prefix RPKI Peers Sample path First seen
216.155.240.0/24 v4 no ROA 41 3454964614688712073 2026-09-18
216.155.241.0/24 v4 no ROA 41 3454964614688712073 2026-09-24
216.155.242.0/24 v4 no ROA 41 3454964614688712073 2026-09-18
216.155.243.0/24 v4 no ROA 41 3454964614688712073 2026-09-18