Autonomous system
AS2015 MSEN-SYSTEM
Unclassified ARIN
IPv4 addresses
4.61K
9 prefixes
IPv6 prefixes
0
counted as prefixes, not addresses
Countries
1
mostly US
Flagged prefixes
0
none
Summary
Msen, Inc.
transit legacy
MSEN-SYSTEM is Msen, Inc., one of Michigan's oldest commercial internet
service providers, based in Ann Arbor and operating since the early 1990s.
What it's used for
- Internet access and hosting for customers in Michigan.
Notable
- A genuine early ISP: the low AS number was allocated in 1992, when Msen was among the first commercial providers to connect.
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 | 9 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS2015- Registry name
- MSEN-SYSTEM
- Registrant
- Msen, Inc.
- Abuse contact
- abuse@mail.msen.com
- Registered
- 1992-10-27
- Last changed
- 1997-09-04
- 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