Data as of Nov 11, 2026

5.172.47.0/29

No anonymizer space · no proxy exits in 30 days

Fundaments B.V.

Announcement

5.172.40.0/21

RPKI valid

Announced by

AS20559

Type

Hosting

Risk

50 / 100 · Medium

Residential-proxy exits

Proxy exits

13% of its addresses · listed by providers

Providers

selling exits here

Proxy providers listing exits

711Proxy
Ake.net
B2Proxy
BirdProxies
BottingTools
EZProxies
FlashProxy
FloppyData
IPFly
IPPeak
Kookey
MoMoProxy
Novada
ProxyWing
PuraRoute
RainProxy
Thordata
ThunderProxy

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
5.172.40.0/21	2,048	NL-FUNDAMENTS-20120730	Fundaments B.V. (ORG-FB55-RIPE) · NL	ALLOCATED PA	Dec 17, 2019	Abuse@fundaments.nl
└ 5.172.47.0/29	8	Fundaments-NDIX-Reinten-200mbps-WAN	unknown	ASSIGNED PA	Feb 23, 2021	Abuse@fundaments.nl via NL-FUNDAMENTS-20120730

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

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced 5.172.40.0/21

5.172.40.0/21

Routing history

Pattern: Stable
First seen: Aug 2012
Current origin since: Jun 2016 · 10 yr
Origin networks: 2
Last change of origin: Jun 2016

Recorded history

History

Handoffs: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
5.172.40.0/21	AS20559	/24	RIPE	RPKI valid

IRR

Route objects on 5.172.40.0/21

Origin	Registry	Description	Maintainer	Modified
AS20559	RIPE	Oxilion B.V. fourth netblock	FUNDAMENTS-MNT	Mar 7, 2016