Data as of Nov 15, 2026

203.162.4.0/23

No anonymizer space · no proxy exits in 30 days

VNPT Corp · space held by Vietnam Posts and Telecommunications Group

Announcement

this exact prefix

RPKI valid

Announced by

AS45899

Type

Residential

69% of it

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
203.162.0.0/21 since Jun 2018	AS45899	Residential	139	Vietnam Posts and Telecommunications Group via VietNam Data Communication Company
203.162.0.0/16 since Jul 2020	AS45899	Residential	4,588 24 always on	Vietnam Posts and Telecommunications Group

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
203.162.0.0/16	65,536	VNPT-VN	Vietnam Posts and Telecommunications Group	ALLOCATED PORTABLE	—	hm-changed@vnnic.vn
└ 203.162.0.0 - 203.162.8.255	2,304	VDC-NET	VietNam Data Communication Company	ALLOCATED NON-PORTABLE	—	hm-changed@vnnic.vn via VNPT-VN
└ 203.162.5.8 - 203.162.5.23	16	CINET-NET	Culture Information Network	ASSIGNED NON-PORTABLE	—	hm-changed@vnnic.vn via VDC-NET
└ 203.162.5.24/29	8	PHUONGNAM-NET	Vietnam Exhibition and Fair Centre	ASSIGNED NON-PORTABLE	—	hm-changed@vnnic.vn via VDC-NET
└ 203.162.5.40/29	8	VASC-NET	Value Added Service Company	ASSIGNED NON-PORTABLE	—	hm-changed@vnnic.vn via VDC-NET
└ 203.162.5.48/29	8	PSV-NET	unknown	ASSIGNED NON-PORTABLE	—	hm-changed@vnnic.vn via VDC-NET
└ 203.162.5.56/29	8	ZUELLIGPHARMANET-NET	unknown	ASSIGNED NON-PORTABLE	—	hm-changed@vnnic.vn via VDC-NET
└ 203.162.5.72/29	8	SWE-NET	Sweden Embassy	ASSIGNED NON-PORTABLE	—	hm-changed@vnnic.vn via VDC-NET
└ 203.162.5.80/28	16	SWE-NET	MOFA	ASSIGNED NON-PORTABLE	—	hm-changed@vnnic.vn via VDC-NET
└ 203.162.5.104 - 203.162.5.135	32	TTXVN-NET	TTXVN	ASSIGNED NON-PORTABLE	—	hm-changed@vnnic.vn via VDC-NET
└ 203.162.5.184 - 203.162.5.199	16	REFER-NET	French language Community (AUPEULF)	ASSIGNED NON-PORTABLE	—	hm-changed@vnnic.vn via VDC-NET
└ 203.162.5.200 - 203.162.5.215	16	IT-NET	National Informatic Technology Program	ASSIGNED NON-PORTABLE	—	hm-changed@vnnic.vn via VDC-NET
└ 203.162.5.216 - 203.162.5.231	16	VISTA-NET	National Center for Sciencific and Technological	ASSIGNED NON-PORTABLE	—	hm-changed@vnnic.vn via VDC-NET
└ 203.162.5.240/29	8	UNDP-NET	United Nation Development Program	ASSIGNED NON-PORTABLE	—	hm-changed@vnnic.vn via VDC-NET

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

Composition

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

Announced space

Address share

Announced space

Types across the prefix

512 addresses

Type	Addresses	Share	Ranges
Residential	352	69%	7
Business	160	31%	12

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern: Stable
First seen: Oct 2017
Current origin since: Oct 2017 · 9.1 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
203.162.0.0/21	AS45899	/24	APNIC	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS45899	APNIC	VNPT	MAINT-VN-VNPT	Aug 9, 2022
AS45899	RADB	VNPT-Net	MAINT-AS45899	Nov 13, 2023

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
203.162.4.0/24	AS45899	RADB	VNPT-Net	MAINT-AS45899	Nov 13, 2023
203.162.4.0/24	AS45899	APNIC	VNPT	MAINT-VN-VNPT	Aug 9, 2022
203.162.5.0/24	AS45899	RADB	VNPT-Net	MAINT-AS45899	Nov 13, 2023
203.162.5.0/24	AS45899	APNIC	VNPT	MAINT-VN-VNPT	Aug 9, 2022