Autonomous system
AS9 CMU-ROUTER
Unclassified ARIN
IPv4 addresses
134K
9 prefixes
IPv6 prefixes
16
counted as prefixes, not addresses
Countries
1
mostly US
Flagged prefixes
1
see address space
Summary
Carnegie Mellon University
education university research legacy
One of the oldest allocations on the internet (CMU-ROUTER), serving Carnegie
Mellon University in Pittsburgh, Pennsylvania.
What it's used for
- Campus, research, and administrative networking for the university.
Notable
- A single-digit AS number reflects how early CMU connected, handed out sequentially in the internet's first years.
Interesting
- CMU has deep roots in computing and networking research, including the early Andrew system and a long line of internet-related work.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Address space
Summary
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 25 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS9- Registry name
- CMU-ROUTER
- Registrant
- Carnegie Mellon University
- Abuse contact
- abuse@andrew.cmu.edu
- Registered
- 1984-04-17
- Last changed
- 2012-04-02
- Status
- active
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
No IC3 indicators Nothing from the FBI IC3 feed.
Threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere