AS55057 CHI-ILAG - Office of the Illinois Attorney General
🇺🇸ARINassignedASPA Published
Announced Prefixes (BGP)
2total
2 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)512
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Routing hygiene
Score 10/100 · Low riskRPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
- Only one upstream seen in the AS paths of its routes
Based on 2 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Announced Prefixes
(BGP)2|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | - | 2026-10-24 | |
| Valid | - | 2026-10-24 |
All 2 announced prefixes of AS55057 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS55057 hands its own prefixes to: transit providers, or peers at an exchange.
- AS174Cogent Communications2
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/55057Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/55057" | jq