Autonomous system
AS6479 MCHENRY
Residential ARIN
IPv4 addresses
16.38K
1 prefixes
IPv6 prefixes
1
counted as prefixes, not addresses
Countries
1
mostly US
Flagged prefixes
0
none
Summary
McHenryCom Company (MC.net)
isp legacy
McHenryCom Company, trading as MC.net — an independent internet service
provider based in Cary, Illinois, serving the north-west Chicago suburbs.
What it's used for
- Residential and small-business internet access across McHenry, Lake, DuPage, Cook, and Kane counties in Illinois, plus web hosting and IT services.
- It announces
209.172.128.0/18(assigned to McHenryCom by ARIN in 1997) and an IPv6 /32. Reverse DNS across the space resolves undermc.net, including network gateways, which is the giveaway that this is a real access network rather than parked space.
Notable
- A genuinely small regional ISP holding a four-digit AS number: the ARIN record dates to April 1996, in the sequential run of assignments made across the mid-6400s.
- Independent ISPs of this vintage are increasingly rare in the US; most were bought out by cable and telco incumbents.
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 | 2 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS6479- Registry name
- MCHENRY
- Registrant
- McHenryCom Company
- Abuse contact
- domains@mc.net
- Registered
- 1996-04-26
- Last changed
- 1999-10-14
- Status
- active
Reputation
Classification and threat
Residential Fixed-line consumer ISP. Addresses here are homes.
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