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Data as of Nov 9, 2026

139.28.100.0/22

No anonymizer space · no proxy exits in 30 days

CSL (DualCom) Limited

Announcement

this exact prefix

RPKI valid

Announced by

Type

Mobile

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
139.28.100.0/24 since May 2019	AS205394	Mobile	CSL (DualCom) Limited
139.28.101.0/24 since Jun 2019	AS205394	Mobile	CSL (DualCom) Limited
139.28.103.0/24 since Sep 2025	AS205394	Mobile	CSL (DualCom) Limited

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS205394

GB

Name: CSL (DualCom) Limited
Type: Internet provider
Registered: Sep 6, 2017
Domain: csl-group.com
Website: www.csl-group.com
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
139.28.100.0/22	AS205394	/22	RIPE	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS205394	RIPE		MNT-UK-WEBWAYONE-1 UK-CSLDUALCOM-1-MNT	May 10, 2019

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
139.28.100.0/23	AS205394	RIPE		MNT-UK-WEBWAYONE-1 UK-CSLDUALCOM-1-MNT	May 10, 2019
139.28.102.0/23	AS205394	RIPE		MNT-UK-WEBWAYONE-1 UK-CSLDUALCOM-1-MNT	May 10, 2019
139.28.102.0/24	AS205394	RIPE		MNT-UK-WEBWAYONE-1 UK-CSLDUALCOM-1-MNT	May 10, 2019