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Data as of Nov 7, 2026

123.31.28.0/22

No anonymizer space · no proxy exits in 30 days

Vietnam Posts and Telecommunications Group

Announcement

this exact prefix

RPKI valid

Announced by

Type

Residential

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
123.31.28.0/24 since Jul 2022	AS135905	Residential	Vietnam Posts and Telecommunications Group
123.31.29.0/24 since Nov 2017	AS135905	Residential	Vietnam Posts and Telecommunications Group
123.31.30.0/24 since Jul 2022	AS135905	Residential	Vietnam Posts and Telecommunications Group
123.31.31.0/24 since Jul 2022	AS135905	Residential	Vietnam Posts and Telecommunications Group

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS135905

VN

Name: Vietnam Posts and Telecommunications Group
Type: Internet provider
Registered: Nov 15, 2016
Domain: vnpt.com.vn
Spamhaus ASN-DROP: not listed
VPN servers: 2

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
123.31.28.0/22	AS135905	/24	APNIC	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS135905	APNIC	VNPT	MAINT-VN-VNPT	Dec 7, 2022

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
123.31.28.0/23	AS135905	APNIC	VNPT	MAINT-VN-VNPT	Dec 7, 2022
123.31.30.0/23	AS135905	APNIC	VNPT	MAINT-VN-VNPT	Dec 7, 2022