Data as of Nov 3, 2026

43.243.72.0/22

No anonymizer space · no proxy exits in 30 days

CTG Server Limited · space held by FE Studio Limited

Announcement

this exact prefix

RPKI valid

Announced by

AS152194

Type

Hosting

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder
43.243.72.0/24 since Apr 2024	AS152194	Hosting	FE Studio Limited
43.243.73.0/24 since Apr 2024	AS152194	Hosting	FE Studio Limited
43.243.74.0/24 since Apr 2024	AS152194	Hosting	FE Studio Limited
43.243.75.0/24 since Apr 2024	AS152194	Hosting	FE Studio Limited

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
43.243.72.0/22	1,024	FES-HK	FE Studio Limited (ORG-FSL4-AP) · HK	ALLOCATED PORTABLE	—	[email protected]
└ 43.243.72.0/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.72.32/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.72.64/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.72.96/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.72.128/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.72.160/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.72.192/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.72.224/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.73.0/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.73.32/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.73.64/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.73.96/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.73.128/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.73.160/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.73.192/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.73.224/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.74.0/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.74.32/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.74.64/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.74.96/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.74.128/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.74.160/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.74.192/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.74.224/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.75.0/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.75.32/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.75.64/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.75.96/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.75.128/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.75.160/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.75.192/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]
└ 43.243.75.224/27	32	SUN-HK	Sun Network (Hong Kong) Limited	ALLOCATED NON-PORTABLE	—	[email protected]

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS152194

Name: CTG Server Limited
Type: Hosting
Registered: Dec 22, 2023
Domain: ctgserver.net
Industry: Computer and Information Technology
Spamhaus ASN-DROP: listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
43.243.72.0/22	AS13335	/24	APNIC	Another network
43.243.72.0/22	AS152194	/22	APNIC	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS13335 not the origin	APNIC	FE Studio Limited	MAINT-FES-HK	Mar 11, 2026
AS152194	RADB	Proxy-registered route object	MAINT-AS38197	Apr 1, 2024
AS152194	APNIC	FE Studio Limited	MAINT-FES-HK	Dec 15, 2025

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
43.243.72.0/23	AS13335	APNIC	FE Studio Limited	MAINT-FES-HK	Mar 11, 2026
43.243.74.0/23	AS13335	APNIC	FE Studio Limited	MAINT-FES-HK	Mar 11, 2026

43.243.72.0/22

Announcements

Announcements inside

Registrations in this block

Network & registry

AS152194

Who has announced this prefix

Routing history

History

Route origin authorizations

Route objects on the exact prefix

Route objects inside

Registration for this announcement

Abuse contact