Autonomous system
AS3742 ROCKISLAND2
Residential ARIN
IPv4 addresses
256
1 prefixes
IPv6 prefixes
0
counted as prefixes, not addresses
Countries
1
mostly US
Flagged prefixes
0
none
Summary
Rock Island Communications
isp legacy
Rock Island Communications (ROCKISLAND2), the internet provider for San Juan
County, Washington, based in Eastsound on Orcas Island.
What it's used for
- Broadband access across the San Juan Islands — fiber and fixed-wireless service to island homes and businesses.
Notable
- An eyeball network at small scale: only a few hundred IPv4 addresses are announced from this AS.
- Rock Island is a wholly owned subsidiary of OPALCO, the local electric cooperative, and rides the co-op's fiber backbone — a utility-owned broadband model built after a 2013 undersea cable break cut the islands off.
Interesting
- Despite the low number, this AS was only registered to its current holder in 2025, so it carries no early-internet pedigree; it is a reissued number, not an original 1990s allocation.
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 | 1 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS3742- Registry name
- ROCKISLAND2
- Registrant
- Rock Island Communications
- Abuse contact
- noc@rockisland.com
- Registered
- 2025-07-22
- Last changed
- 2025-07-22
- 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