Data as of Nov 9, 2026

185.31.144.0/22

No anonymizer space · no proxy exits in 30 days

atom86 BV · space held by Defion Security Netherlands B.V.

Announcement

this exact prefix

RPKI valid

Announced by

Type

Business

50% of it

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
185.31.144.0/22	1,024	NL-COMPUTEST-20130724	Defion Security Netherlands B.V. (ORG-CSB4-RIPE) · NL	ALLOCATED PA	Jul 24, 2013	abuse@computest.nl
└ 185.31.144.0/24	256	COMPUTEST-1	Computest Services B.V.	ASSIGNED PA	Jul 24, 2013	abuse@computest.nl via NL-COMPUTEST-20130724
└ 185.31.145.0 - 185.31.146.255	512	COMPUTEST-1	Computest Services B.V.	ASSIGNED PA	Jul 24, 2013	abuse@computest.nl via NL-COMPUTEST-20130724
└ 185.31.147.0/24	256	COMPUTEST-1	Computest Services B.V.	ASSIGNED PA	Jul 24, 2013	abuse@computest.nl via NL-COMPUTEST-20130724

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

The types across the prefix's announced space, by addresses.

Announced space

Announced space

1,024 addresses

Type	Addresses	Share	Ranges
Business	512	50%	2
Unknown	512	50%	1

Origin network

RPKI

ROA prefix	ASN	Max len	Anchor	Verdict
185.31.144.0/22	AS8455	/22	RIPE	RPKI valid

IRR

Origin	Registry	Description	Maintainer	Modified
AS8455	RIPE	Computest	ATOM86-MNT COMPUTEST-MNT NEXTPERTISE-MNT	Aug 2, 2017