Data as of Nov 4, 2026

123.30.0.0/21

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

71% of it

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Holder
123.30.0.0/23 since Jul 2017	AS45899	Residential	Vietnam Posts and Telecommunications Group
123.30.2.0/23 since Jul 2017	AS45899	Residential	Vietnam Posts and Telecommunications Group
123.30.4.0/23 since Jul 2017	AS45899	Residential	Vietnam Posts and Telecommunications Group
123.30.6.0/23 since Jul 2017	AS45899	Residential	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
123.16.0.0/12	1,048,576	VNPT-VN	Vietnam Posts and Telecommunications Group	ALLOCATED PORTABLE	—	[email protected]
└ 123.30.1.160/28	16	CKASEAN-NET	Cty CK Asean	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.1.192/28	16	LIENDOANHVKX-NET	Cong ty lien doanh VKX	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.1.208/28	16	DHNONGNGHIEP1-NET	Truong Dai hoc Nong nghiep1	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.1.240/28	16	TTTHONGTINDIDONGKV1-NET	Trung TAM Thong TIN di Dong KV1(VMS1)	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.16/29	8	DHLUATHANOI-NET	Dai hoc luat Ha Noi	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.24/29	8	CUCCONGNGHETINHOCNGANHANG-NET	Cuc cong nghe tin hoc Ngan hang	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.32/29	8	VPDDXENERSYSTEMINCHANOI-NET	VPDD Xener System Inc TAI HA NOI	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.40/29	8	CNTTNAISCORP-NET	Cong TY CP Dich VU CNTT Naiscorp	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.48/29	8	CPCKVANGVIETNAM-NET	Cong ty co phan chung khoan Vang Viet Nam	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.56/29	8	CPVANGPHOWALL-NET	Cong ty CP Vang pho Wall	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.64/29	8	CPCKDAITAYDUONG-NET	Cty CP Chung khoan Dai Tay Duong	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.80/29	8	TNHHTOAVIETNAM-NET	Cong ty TNHH TOA Viet Nam	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.96/29	8	COPHANCHUNGKHOANANPHAT-NET	Cong ty Co phan chung khoan An Phat	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.104/29	8	CKNGANHANGDONGA-NET	Cong ty chung khoan ngan hang Dong A	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.112/29	8	TNHHCKNGANHANGTMCPNHAHANOI-NET	Cong ty TNHH chung khoan ngan hang TMCP nha Ha Noi	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.128/29	8	TNHHHOEV-NET	Cong ty TNHH HOEV	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.136/29	8	CPCKQUOCGIA-NET	Cong ty co phan chung khoan Quoc Gia	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.144/29	8	CHUNGKHOANNGANHANGDAUTUPHATTRIEN-NET	Cong ty TNHH chung khoan ngan hang dau tu va phat trien Viet Nam	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.160/29	8	TNHHSOFTLAB-NET	VPDD Younglimwon Softlab TAI HA NOI	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.168/30	4	TTCONGNGHEQUOCTE-NET	Trung TAM Cong Nghe Quoc TE HA NOI	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.200/29	8	THONGTANAP-NET	Hang thong tan AP (My)	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.208/29	8	VPDDTDK-NET	VPDD TDK Singapre tai HN	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.216/29	8	VPDDMERCKSHARPDOHME-NET	VPDD MERCK SHARP & DOHME (ASIA) tai Ha Noi	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.224/29	8	CPVANGPHOWALL-NET	Cong ty CP Vang pho Wall	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.232/29	8	MARUBENICORPORATION-NET	Van Phong DAI Dien Marubeni Corporation TAI HA NOI	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.240/29	8	TRUYENHINHCAPSTV-NET	Cong ty Co phan Truyen hinh Cap STV	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.3.248/29	8	BO-CONG-THUONG-NET	Bo Cong Thuong	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.0/30	4	LIENDOANHVKX-NET	Cong ty lien doanh VKX	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.4/30	4	LIENDOANHVKX-NET	Cong ty lien doanh VKX	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.12/30	4	QualcommInternational-NET	Qualcomm International, Inc.	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.16/30	4	TNHHSOFTLAB-NET	VPDD Younglimwon Softlab TAI HA NOI	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.20/30	4	TTCONGNGHEQUOCTE-NET	Trung TAM Cong Nghe Quoc TE HA NOI	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.24/30	4	VIENTHONGCMC-NET	Cty Co phan dich vu vien thong CMC	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.32/30	4	NETNAM-NET	Netnam Company	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.36/30	4	THONGTANAP-NET	Hang thong tan AP (My)	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.40/30	4	VIBBANK-NET	Ngan hang Quoc te VIB Bank	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.44/30	4	CNTTNAISCORP-NET	Cong TY CP Dich VU CNTT Naiscorp	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.48/30	4	VIENCHIENLUOCTHONGTIN-NET	Vien chien luoc Thong tin va Truyen thong	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.52/30	4	TTTHONGTINDIDONGKV5-NET	Trung tam Thong tin di dong Khu vuc 5- VMS5	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.56/30	4	VPDDTDK-NET	VPDD TDK Singapre tai HN	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.60/30	4	TTTHONGTINDIDONGKV1-NET	Trung TAM Thong TIN di Dong KV1(VMS1)	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.64/30	4	VIENTHONGCMC-NET	Cty Co phan dich vu vien thong CMC	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.68/30	4	VPDDMERCKSHARPDOHME-NET	VPDD MERCK SHARP & DOHME (ASIA) tai Ha Noi	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.72/30	4	VPBOLAODONGTHUONGBINH-NET	Van phong Bo Lao dong Thuong binh xa hoi	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.76/30	4	CPVANGPHOWALL-NET	Cong ty CP Vang pho Wall	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.80/30	4	MARUBENICORPORATION-NET	Van Phong DAI Dien Marubeni Corporation TAI HA NOI	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.84/30	4	DAISUQUANBALAN-NET	Dai su quan Cong Hoa Ba Lan tai Ha Noi	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.88/30	4	HOPTACPHATTRIENTHONGTINMANG-NET	Cong ty TNHH HOP TAC PHAT TRIEN THONG TIN MANG	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.92/30	4	TRUYENHINHCAPSTV-NET	Cong ty Co phan Truyen hinh Cap STV	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.100/30	4	TNHH-ENKEI-VN-NET	Cong TY TNHH Enkei Viet NAM	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.104/30	4	BO-CONG-THUONG-NET	Bo Cong Thuong	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.108/30	4	DIDONGVMS-NET	Cong ty thong tin di dong VMS	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.116/30	4	ERICSSONVIETNAM-NET	Cong TY TNHH Ericsson Viet NAM	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.132/30	4	TNHHKinhNoi-NET	Khach hang VDC1 lap dat tai Khu cong nghi?p Hoa Xa, Thanh pho Nam Dinh	ALLOCATED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.136/30	4	YAMAHAMOTORVN-NET	Khach hang VDC1 lap dat tai Lo 50-54 va 59-68 KCN Noi bai	ALLOCATED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.140/30	4	harveynash-net	Khach hang VDC1 lap dat tai 239 Xuan Thuy, Cau Giay, HN	ALLOCATED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.144/30	4	ERICSSONVIETNAM-NET	Khach hang VDC1 lap dat tai Tang 14 Toa nha Viet Tower	ALLOCATED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.5.148/30	4	CPCKVINCOM-NET	Khach hang VDC1 lap dat tai tang 11- thap B Vincom	ALLOCATED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.6.0/27	32	CNTTNAISCORP-NET	Cong TY CP Dich VU CNTT Naiscorp	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.6.64/27	32	ONEPAY-NET	Cong ty co phan thuong mai va dich vu truc tuyen ONEPAY	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.6.96/28	16	DAISUQUANBALAN-NET	Dai su quan Cong Hoa Ba Lan tai Ha Noi	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.6.112/28	16	ERICSSONVIETNAM-NET	Cong TY TNHH Ericsson Viet NAM	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.6.128/27	32	DICHVUVIENTHONGVINAPHONE-NET	Cong ty dich vu vien thong	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.7.16/28	16	VIENTHONGCMC-NET	Cty Co phan dich vu vien thong CMC	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.7.32/28	16	VPBOLAODONGTHUONGBINH-NET	Van phong Bo Lao dong Thuong binh xa hoi	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.7.48/28	16	HOPTACPHATTRIENTHONGTINMANG-NET	Cong ty TNHH HOP TAC PHAT TRIEN THONG TIN MANG	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.7.64/28	16	TNHH-ENKEI-VN-NET	Cong TY TNHH Enkei Viet NAM	ASSIGNED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.7.128/28	16	harveynash-net	Khach hang VDC1 lap dat tai 239 Xuan Thuy, Cau Giay, HN	ALLOCATED NON-PORTABLE	—	[email protected] via VNPT-VN
└ 123.30.7.144/28	16	CPCKVINCOM-NET	Khach hang VDC1 lap dat tai tang 11- thap B Vincom	ALLOCATED NON-PORTABLE	—	[email protected] via VNPT-VN

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

2,048 addresses

Type	Addresses	Share	Ranges
Residential	1,456	71%	20
Business	592	29%	69

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS45899

Name: VNPT Corp
Type: Internet provider
Registered: Aug 28, 2009
Domain: vnpt.vn
Website: www.vnpt.vn
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed
VPN servers: 6

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
123.30.0.0/18	AS45899	/24	APNIC	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS45899	APNIC	VNPT	MAINT-VN-VNPT	Jul 29, 2022
AS45899	NTTCOM	VNPT Net	MAINT-VNPT	Aug 26, 2016
AS45899	RADB	VNPT-Net	MAINT-AS45899	Nov 13, 2023

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
123.30.0.0/22	AS45899	RADB	VNPT Net	MAINT-AS45899	Nov 13, 2023
123.30.0.0/22	AS45899	APNIC	VNPT	MAINT-VN-VNPT	Jul 29, 2022
123.30.4.0/22	AS45899	RADB	VNPT Net	MAINT-AS45899	Nov 13, 2023
123.30.4.0/22	AS45899	APNIC	VNPT	MAINT-VN-VNPT	Jul 29, 2022

123.30.0.0/21

Announcements

Announcements inside

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS45899

Who has announced this prefix

Routing history

Route origin authorizations

Route objects on the exact prefix

Route objects inside

Registration for this announcement

Abuse contact