Data as of Nov 13, 2026

37.143.64.0/28

No anonymizer space · no proxy exits in 30 days

SONICTEST Ltd.

Announcement

37.143.64.0/21

RPKI valid

Announced by

AS57873

Type

Business

Risk

0 / 100 · Low

Residential-proxy exits

Proxy exits

6.3% of its addresses · listed by providers

Providers

selling exits here

Proxy providers listing exits

FastProxy
LemonBright
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
37.143.64.0/21	2,048	EE-SONICTEST-20120301	SONICTEST Ltd. (ORG-SL328-RIPE) · EE	ALLOCATED PA	Mar 1, 2012	abuse@sonictest.ee
└ 37.143.64.0/28	16	EE-SONICTEST-INFRA	Sonictest backbone	ASSIGNED PA	Oct 16, 2012	abuse@sonictest.ee via EE-SONICTEST-20120301

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 37.143.64.0/21

37.143.64.0/21

Routing history

Pattern: Stable
First seen: Apr 2012
Current origin since: Apr 2012 · 15 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
37.143.64.0/21	AS57873	/21	RIPE	RPKI valid

IRR

Route objects on 37.143.64.0/21

Origin	Registry	Description	Maintainer	Modified
AS57873	RIPE	SONICTEST Ltd.	MNT-SONICTEST	Apr 13, 2012