Data as of Nov 13, 2026

183.91.48.0/21

No anonymizer space · no proxy exits in 30 days

China Telecom Next Generation Carrier Network · space held by China Telecom Global Limited

Announcement

this exact prefix

RPKI valid

Announced by

AS4809

Type

Internet provider

88% of it

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
183.91.51.0/24 since Sep 2021	AS23764	Unknown	China Telecom Global Limited via Chinatelecom Next Carrying HongKong region network

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
183.91.32.0/19	8,192	CTGI-HK	China Telecom Global Limited (ORG-CTGL1-AP) · HK	ALLOCATED PORTABLE	—	guohf@chinatelecomglobal.com
└ 183.91.48.0/22	1,024	CTHKI-HK	Chinatelecom Next Carrying HongKong region network	ALLOCATED NON-PORTABLE	—	guohf@chinatelecomglobal.com
└ 183.91.52.0/22	1,024	CTHKI-HK	Chinatelecom Next Carrying HongKong region network	ALLOCATED NON-PORTABLE	—	guohf@chinatelecomglobal.com

Composition

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

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses

Type	Addresses	Share	Ranges
Internet provider	1,792	88%	2
Unknown	256	13%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern: Stable
First seen: Feb 2010
Current origin since: Feb 2010 · 17 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
183.91.48.0/21	AS4809	/21	APNIC	RPKI valid
183.91.48.0/21	AS23764	/21	APNIC	Another network

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS4809	APNIC	Chinatelecom Next Carrying Network Backbone	MAINT-CTGL-HK	Jul 14, 2014
AS4809	RADB	PACNET (proxy-registered route object)	MAINT-AS4637	Nov 13, 2023
AS23764 not the origin	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Jun 17, 2021

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
183.91.48.0/24	AS4809	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Apr 20, 2020
183.91.48.0/24	AS23764	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Jun 22, 2021
183.91.49.0/24	AS4809	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Apr 20, 2020
183.91.49.0/24	AS23764	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Jun 22, 2021
183.91.50.0/24	AS4809	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Apr 20, 2020
183.91.50.0/24	AS23764	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Jun 22, 2021
183.91.52.0/24	AS4809	RADB	China Telecom Global Limited	MAINT-CT-GNOC	Nov 13, 2023
183.91.52.0/24	AS4809	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Apr 20, 2020
183.91.52.0/24	AS23764	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Jun 22, 2021
183.91.53.0/24	AS23764	RADB	China Telecom Global Limited	MAINT-CT-GNOC	Nov 13, 2023
183.91.53.0/24	AS23764	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Jun 22, 2021
183.91.54.0/24	AS4809	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Apr 20, 2020
183.91.54.0/24	AS23764	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Jun 22, 2021
183.91.55.0/24	AS4809	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Apr 20, 2020
183.91.55.0/24	AS23764	APNIC	China Telecom Global Limited	MAINT-CTGL-HK	Jun 22, 2021