AS6325 ILLINOIS-CENTURY - Illinois Century Network
🇺🇸ARINassigned
Announced Prefixes (BGP)
80total
75 IPv45 IPv6
IPv4 Addresses
Allocated (RIR)688,128
Announced (BGP)1.7M
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)1.4×10²⁹
Routing hygiene
Score 16/100 · Low riskRPKI ROA coverage
75%
5 prefixes RPKI invalid
IRR route objects
97.5%
2 prefixes registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
5
diversity 67/100
- 25% of announced prefixes (20 of 80) have no valid ROA, 5 of them RPKI invalid
Based on 80 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained
Announced Prefixes
(BGP)80|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - | |
| Valid | Other IRR | - |
1-10 of 80
1 / 8
Allocated Prefixes
(RIR)12Prefix | Country | RIR | Status |
|---|---|---|---|
| 64.107.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 64.150.0.0/17 | 🇺🇸 US | ARIN | allocated |
| 65.79.0.0/17 | 🇺🇸 US | ARIN | allocated |
| 66.99.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 66.158.0.0/17 | 🇺🇸 US | ARIN | allocated |
| 72.3.0.0/17 | 🇺🇸 US | ARIN | allocated |
| 206.166.0.0/17 | 🇺🇸 US | ARIN | allocated |
| 207.63.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 209.7.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 209.174.0.0/15 | 🇺🇸 US | ARIN | allocated |
1-10 of 12
1 / 2
All 80 announced prefixes of AS6325 →
BGP Neighbours
(seen in AS paths)Upstreams (5)
Networks AS6325 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (30)
Networks whose own prefixes AS6325 passes on: usually its customers.
- AS394534City Of Chicago10
- AS46286Cook County6
- AS397112Illinois Mathematics And Science Academy6
- AS53695Southern Illinois University At Edwardsville4
- AS19070Eastern Illinois University3
- AS33019Wheaton College3
- AS10308Northeastern Illinois University2
- AS22887Western Illinois University2
- AS32344Community High School District 992
- AS33460Waubonsee Community College2
- AS395433Township High School District 2142
- AS1416Chicago Public Schools1
- AS1702CHICAGO STATE UNIVERSITY1
- AS11417Northern Illinois University1
- AS15118Southern Illinois University School Of Medicine1
- AS15337Wm. Rainey Harper College1
- AS22272-1
- AS22666Glenbrook High School District1
- AS22978Governors State University1
- AS23427Glenbard HSD #871
- AS26255Oakton Community College1
- AS29993North Central College1
- AS32294City Of Champaign, Illinois1
- AS40710College Of Lake County1
- AS53643Manteno Community Unit School District 51
- AS394026Village Of Schaumburg1
- AS394797Millikin University1
- AS394798Chicago Park District1
- AS395847Maine Township High School District 2071
- AS402166Mannheim School District 831
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/6325Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/6325" | jq