Data as of Nov 3, 2026
Autonomous system
AS3742
Rock Island Communications
Announces 256 addresses in 1 prefixes. None of it is anonymizer space.
Type
Internet provider
US
Announced prefixes
| Prefix | Type | RPKI |
|---|---|---|
| 23.128.136.0/24 since Sep 2025 | Residential |
Network & history
Profile
- Registered
- Jul 22, 2025
- Domain
- semaphore.com
- Website
- www.semaphore.com
- Industry
- Internet Service Provider (ISP)
Routing patterns
How its announcements have moved
Arrivals