$ query “AS4004” --type=asn → 1 result(s)
AS4004 · COGENT-4000
Cogent Communications LLC
This autonomous system is not currently announcing any prefixes. Last seen: April 12, 2026.
AS4004 is operated by Cogent Communications LLC and serves as a residential access provider, established in the United States in 1994. Not currently announcing prefixes.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- November 04, 1994
- Last Changed
- October 03, 2026
- Last Seen
- April 12, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs