Data as of Nov 4, 2026

154.57.159.0/24

No anonymizer space · no proxy exits in 30 days

Planisys Corp · space held by Cogent Communications, LLC

Announcement

this exact prefix

RPKI valid

Announced by

Type

Business

Risk

30 / 100 · Medium

Recently moved

Recent change

New origin May 2026

from AS52438 Planisys S.A.

Announcements

Less specific

Prefix	Origin	Type	Proxy exits	RPKI
154.48.0.0/12 since May 2005	AS174	Internet provider	12,748 2,411 always on

Origin network

RPKI

ROA prefix	ASN	Max len	Anchor	Verdict
154.57.159.0/24	AS52438	/24	ARIN	Another network
154.57.159.0/24	AS402020	/24	ARIN	RPKI valid

IRR

Origin	Registry	Description	Maintainer	Modified
AS52438 not the origin	RADB	Assigned by Cogent in AMS	MAINT-AS52438	Nov 13, 2023
AS52438 not the origin	ARIN	Route Registered for Cogent Communications Customer - Planisys Corp	MNT-COGC	May 8, 2026
AS402020	RADB	Planisys Corp	MAINT-AS402020	May 8, 2026
AS402020	ARIN	Route Registered for Cogent Communications Customer - Planisys Corp	MNT-COGC	May 8, 2026