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Data as of Nov 7, 2026

66.211.16.0/24

No anonymizer space · no proxy exits in 30 days

Columbia Power and Water Systems

Announcement

RPKI valid

Announced by

Type

Residential

Risk

0 / 100 · Low

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
66.211.16.0/20 since Oct 2006	AS30264	Residential	49 8 always on	Columbia Power and Water Systems

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Announced by

Covering announcement 66.211.16.0/22

Prefix: 66.211.16.0/22
Announced by: AS30264 Columbia Power and Water Systems
Type: Residential
Proxy exits: 12
Always-on exits: 2
RPKI: RPKI valid
Netname: CPWS-66-211-16-0-20
Registrant: Columbia Power and Water Systems
RIR: ARIN

Origin network

AS30264

US

Name: Columbia Power and Water Systems
Type: Internet provider
Registered: Aug 22, 2003
Domain: cpws.com
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
66.211.16.0/20	AS30264	/24	ARIN	RPKI valid

IRR

Route objects on 66.211.16.0/22

Origin	Registry	Description	Maintainer	Modified
AS30264	ARIN	Columbia Power and Water Systems	MNT-CPWS	Aug 19, 2026