AS21718 Northwest Natural Gas 🇺🇸 US

Announcing 5 prefixes, seen at the RIS collectors.

IPv4 prefixes
5
1,280 (5 × /24)
IPv6 prefixes
0
-
Upstreams
3
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
AS21718
Name
Northwest Natural Gas
Organisation
Northwest Natural Gas
Country
🇺🇸 US
RIR
ARIN
Allocated
2001-06-13

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 5 no ROA (100.0%)

Announced prefixes

5 in total

Prefix RPKI Peers Sample path First seen
192.122.243.0/24 v4 no ROA 41 1763970121718 2026-09-18
192.122.244.0/24 v4 no ROA 42 345496461738521718 2026-09-18
192.122.245.0/24 v4 no ROA 42 345496461738521718 2026-09-18
192.122.246.0/24 v4 no ROA 41 1763970121718 2026-09-18
192.122.247.0/24 v4 no ROA 42 345496461738521718 2026-09-18