Network
AS399989 ULTRA ONE
- Autonomous system number
- AS399989
- Registered in
- US
- Registry
- ARIN
- ASN registered
- 2021-08-25
- IPv4 prefixes announced
- 25
- IPv6 prefixes announced
- 1
- Internet exchanges
- Not listed in PeeringDB
- Data centres
- Not listed in PeeringDB
Prefix counts from the global routing table as of 2026-10-04. Not counted: 1 more prefixes this network originates that few routers see, inside address space AS3257 announces widely. Exchange and data-centre counts are what the network lists in PeeringDB. Website: ultra.one
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.
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