Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS27274

Announcement observedARIN

Central Michigan University · CMICH

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/30/2026, 23:23:39Snapshot expired

View network topology RDAP registration

ASN: AS27274
Registration country: United States
Name: Central Michigan University
Abbreviation: CMICH
Registration date: 2/5/2003, 21:43:37
Status: Announcement observed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
141.209.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/10/2026, 00:00:00	✓	×	Historical record
35.32.0.0/16BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/10/2026, 00:00:00	✓	×	Historical record
35.33.64.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/16/2026, 16:00:00	10/10/2026, 00:00:00	✓	×	Historical record

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Central Michigan University
RIR: ARIN
Registration country: United States
Registration date: 2/5/2003, 21:43:37
Abuse contact: abuse@cmich.edu

Snapshot trend

9/30/2026, 23:23:393 v41 v61 Upstream · 0 Uncertain

9/30/2026, 23:16:580 v40 v60 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn