AS19480 CHICAGO PUBLIC LIBRARY 🇺🇸 US
Announcing 2 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
512 (2 × /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
- AS19480
- Name
- CHICAGO PUBLIC LIBRARY
- Organisation
- CHICAGO PUBLIC LIBRARY
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2011-02-04
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
2 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 64.107.3.0/24 v4 | RPKI valid | 40 | 34549607919480 | 2026-09-18 |
| 66.99.5.0/24 v4 | RPKI valid | 40 | 34549607919480 | 2026-09-18 |