AS4539 Schweitzer Engineering Laboratories, Inc. 🇺🇸 US

Announcing 2 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
1,280 (5 × /24)
IPv6 prefixes
0
-
Upstreams
5
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS4539
Name
Schweitzer Engineering Laboratories, Inc.
Organisation
Schweitzer Engineering Laboratories, Inc.
Country
🇺🇸 US
RIR
ARIN
Allocated
2009-09-17

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 2 no ROA (100.0%)

Announced prefixes

2 in total

Prefix RPKI Peers Sample path First seen
74.117.212.0/22 v4 no ROA 47 354933564539 2026-09-18
74.117.213.0/24 v4 no ROA 43 70184539 2026-09-18