Autonomous system
AS11206 FSU-AS-1
Education ARIN
Summary
Ferris State University
education university legacy
FSU-AS-1 is Ferris State University in Big Rapids, Michigan — not Florida State, despite the handle. It announces its own legacy 161.57.0.0/16 and a long list of more-specifics carved from it.
What it's used for
Campus networking: academic and administrative departments, residence halls, labs and university services. The RIS view shows 33 announced IPv4 prefixes covering 65,536 addresses, no IPv6, and a single observed BGP neighbour. One upstream and a full /16 is the signature of a university that connects through a state or regional research network rather than buying transit on the open market — a single, well-provisioned path is normal in that model.
Notable
Everything the AS announces is registered to FERRIS: the covering /16 and each of the sampled more-specifics (161.57.240.0/21, 161.57.196.0/22, 161.57.76.0/22, and so on down to individual /24s). Holder and registrant are the same institution, so there is no leased-space or third-party question to resolve.
Interesting
The deaggregation is the interesting part. Announcing the /16 alongside thirty-plus longer prefixes down to /24 is more specific-heavy than a campus strictly needs for reachability. It usually reflects internal structure being pushed into BGP — separate blocks for campuses, colleges or building groups that were originally sized and delegated internally, then advertised individually. The AS number's low value says nothing about the network's age or current shape; what matters is the current holder, and that is unambiguously the university.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Transit providers
1 upstream, 0 downstream and 1 adjacent networks observed; most-used upstreams first.
| AS | Network | Paths seen |
|---|---|---|
| AS237 | Merit Network Inc. | 1,951 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-21, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 39 prefixes · 65.54K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 39 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS11206- Registry name
- FSU-AS-1
- Registrant
- Ferris State University
- Abuse contact
- abuse@ferris.edu
- Registered
- 2006-09-13
- Last changed
- 2012-02-24
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 33 with no ROA
- ROAs
- 0 authorising AS11206
- ASPA
- no ASPA record
- IRR
- 100% registered · 33 of 33 announcements
- Route objects
- 1 naming AS11206
Reputation
Classification and threat
Education University, school or national research and education network.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,779 prefixes, as published 2026-10-22. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere