AS4539 — SEL-AS
AS4539 announces 1 IPv4 prefixes covering 1,024 addresses and 0 IPv6 prefixes.
About this network
SEL-AS — Schweitzer Engineering Laboratories, the employee-owned manufacturer in Pullman, Washington that builds protective relays, automation, and control systems for electric power grids.
What it's used for
- Corporate networking for a manufacturer and its engineering organisation: about 1,024 IPv4 addresses, sized for the company itself rather than customers.
Notable
- An industrial/OT vendor running its own AS — the address space is the company's own, not sold on.
- The ASN was registered to SEL in 2009, so AS4539 is a reissued low number and carries no early-internet history for this holder.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 74.117.212.0/22
Upstream networks
- AS209 CenturyLink Communications, LLC
- AS23138 FIRST STEP INTERNET, LLC
- AS20055 Wholesail networks LLC
- AS3356 Level 3 Parent, LLC
- AS7018 AT&T Enterprises, LLC
Adjacent networks
BGP / ASN / CIDR
awaiting query
enter an AS number, IP address, or organisation name above
IPv4
resolving...
IPv6
resolving...
Search Results
IPv4 Prefixes
—
IPv6 Prefixes
—
Total Prefixes
—
Unique /24s
—
⚠ SUSPICIOUS PREFIX ANNOUNCEMENTS DETECTED