$ query “AS27274” --type=asn → 1 result(s)
AS27274 — CMICH
Central Michigan University
AS27274 is an educational stub network registered to Central Michigan University, registered in the United States since 2003. The network announces a solid 139 264 IPv4 addresses, including a /16. Supports IPv6.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Education/Research
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- February 05, 2003
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 3 / 3
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 139 264
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇺🇸 US (6 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 139 264 total (0.00%)
Connectivity Summary
- Upstream Providers
- 1 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 0 downstream autonomous systems buying transit
- Degree
- 1 unique BGP neighbors (providers + customers + peers)
- Reach
- 0 — customer cone size measuring network influence
- Degree Rank
- #57 019
Upstream Providers (1)
- AS237 — MERIT-AS-14
Prefix Lists
IPv4 Prefixes (3 total)
- 35.32.0.0/16 (65 536 addresses)
- 141.209.0.0/16 (65 536 addresses)
- 35.33.64.0/19 (8 192 addresses)
IPv6 Prefixes (1 total)
- 2607:ff30::/32