Network
AS27321 ISC F-ROOT OAK1
- Autonomous system number
- AS27321
- Registered in
- US
- Registry
- ARIN
- ASN registered
- 2003-02-12
- IPv4 prefixes announced
- 8
- IPv6 prefixes announced
- 1
- Internet exchanges
- 3
- Data centres
- 1
Prefix counts from the global routing table as of 2026-10-04. Exchange and data-centre counts are what the network lists in PeeringDB. Website: www.isc.org
Upstreams and peers, traceroute paths through it, where it hands off to its transit providers, routing history and alerts - free with an account, and queryable from Claude, ChatGPT and other AI agents through the BGPScout MCP server.
Open the full network page