Network
AS104 University of Colorado at Boulder
- Autonomous system number
- AS104
- Registered in
- US
- Registry
- ARIN
- ASN registered
- 1987-04-09
- IPv4 prefixes announced
- 21
- IPv6 prefixes announced
- 4
- Internet exchanges
- 0
- Data centres
- 0
- Internet users (estimate)
- ~2,535
- Company
- University of Colorado Boulder - 9,448 employees
Prefix counts from the global routing table as of 2026-10-03. Exchange and data-centre counts are what the network lists in PeeringDB. User estimate by APNIC Labs, 2026-09-30. Company facts from Wikidata.
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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