$ query “AS11901” --type=asn → 1 result(s)

AS11901 · COSWAN

County of Sacramento

AS11901 belongs to County of Sacramento and is a government/public-admin access provider, based in the United States since 2007. The system announces 1 024 IPv4 addresses. Most of its address space is geolocated to the United States. No IPv6 support — it's 2026, just saying.

Basic Information

Country
🇺🇸 United States
Category
Government/Public Administration
Network Role
Access Provider
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
May 29, 2007
Last Changed
July 01, 2026
Last Seen
July 25, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 / 1
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
1 024
Largest IPv4 Prefix
/22 (1 024 addresses)
Geolocated Countries
🇺🇸 United States (1 024 IPs)
Prefix Changed
April 14, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Downstream Customers
1 downstream buying transit
Degree
4 unique BGP neighbors
Reach
1 network in customer cone

Upstream Providers (3)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS6461 — MFNX (Tier-1 transit)
  • AS7018 — ATT-INTERNET4 (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (2 total)

  • 208.79.244.0/22 (1 024 addresses (/22 prefix))