AS2532 Library of Congress 🇺🇸 US

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes
4
67,072 (262 × /24)
IPv6 prefixes
0
-
Upstreams
4
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
AS2532
Name
Library of Congress
Organisation
Library of Congress
Country
🇺🇸 US
RIR
ARIN
Allocated
1993-02-18

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
140.147.0.0/16 v4 no ROA 43 70182532 2026-09-18
140.147.25.0/24 v4 no ROA 43 345492914264792532 2026-11-11
140.147.27.0/24 v4 no ROA 43 345492914264792532 2026-11-11
140.147.28.0/22 v4 no ROA 43 345492914264792532 2026-11-11