ASN AS45557 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS45557?

AS45557 is listed under Vietnam Technology and Telecommunication JSC.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS45557 Vietnam Technology and Telecommunication JSC

Vietnam Technology and Telecommunication JSC vntt.com.vn

VN 79 Routes

AS Data

AS45557

AS45557 – Vietnam Technology and Telecommunication JSC

AS Number	45557
AS Name	VNTT-AS-VN
Organization	Vietnam Technology and Telecommunication JSC
Country	VN
Website	vntt.com.vn
Number of IPv4 Routes	34
Number of IPv6 Routes	45
ASN type	BUSINESS
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS45557 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS45056 - AS46079'

as-block:       AS45056 - AS46079
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T05:48:11Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS45538 - AS45557'

as-block:       AS45538 - AS45557
descr:          VNNIC-ASBLOCK-VN
descr:          VNNIC
descr:          Vietnam Network Information Center
country:        VN
admin-c:        NTTT3-AP
tech-c:         NTTT3-AP
remarks:        Block of 20 AS numbers from 45538 - 45557
remarks:        for assignment to VNNIC members
mnt-by:         APNIC-HM
mnt-lower:      MAINT-VN-VNNIC
last-modified:  2023-04-21T06:49:57Z
source:         APNIC

person:         Nguyen Thi Thu Thuy
address:        VNNIC-VN
country:        VN
phone:          +84-2435564944
e-mail:         info@vnnic.vn
nic-hdl:        NTTT3-AP
mnt-by:         MAINT-VN-VNNIC
last-modified:  2020-05-11T07:33:48Z
source:         APNIC

% Information related to 'AS45557'

% Abuse contact for 'AS45557' is 'hm-changed@vnnic.vn'

aut-num:        AS45557
as-name:        VNTT-AS-VN
descr:          Vietnam Technology and Telecommunication JSC
descr:          No 21 VSIP II, Road 1, Vietnam Singapore II,Hoa Phu ward,Thu Dau Mot City,Binh Duong
country:        VN
import:         from AS7643 action pref=100; accept AS45557
import:         from AS7552 action pref=100; accept AS45557
import:         from AS38248 action pref=100; accept AS45557
export:         to AS7643 announce AS45557
export:         to AS7552 announce AS45557
export:         to AS38248 announce AS45557
admin-c:        DNHV1-AP
tech-c:         NNB6-AP
notify:         vudnh@vntt.com.vn
mnt-by:         MAINT-VN-VNNIC
mnt-irt:        IRT-VNNIC-AP
mnt-routes:     MAINT-VN-VNNIC
last-modified:  2017-11-19T08:53:10Z
source:         APNIC

irt:            IRT-VNNIC-AP
address:        Ha Noi, VietNam
phone:          +84-24-35564944
fax-no:         +84-24-37821462
e-mail:         hm-changed@vnnic.vn
abuse-mailbox:  hm-changed@vnnic.vn
admin-c:        NTTT1-AP
tech-c:         NTTT1-AP
auth:           # Filtered
mnt-by:         MAINT-VN-VNNIC
last-modified:  2026-04-21T02:07:47Z
source:         APNIC

person:         Duong Ngoc Hoang Vu
address:        VNTT-VN
country:        VN
phone:          +84-650-2220222
e-mail:         vudnh@vntt.com.vn
nic-hdl:        DNHV1-AP
mnt-by:         MAINT-VN-VNNIC
last-modified:  2017-11-19T08:48:06Z
source:         APNIC

person:         Nguyen Ngoc Bao
address:        VNTT-VN
country:        VN
phone:          +84-650-2220222
e-mail:         baonn@vntt.com.vn
nic-hdl:        NNB6-AP
mnt-by:         MAINT-VN-VNNIC
last-modified:  2017-11-19T08:48:20Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS45056 - AS46079",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2009-09-29",
    "source" : "APNIC"
  }, {
    "as_block" : "AS45538 - AS45557",
    "country" : "VN",
    "description" : [ "VNNIC-ASBLOCK-VN", "VNNIC", "Vietnam Network Information Center" ],
    "admin_contacts" : [ "NTTT3-AP" ],
    "tech_contacts" : [ "NTTT3-AP" ],
    "remarks" : [ "Block of 20 AS numbers from 45538 - 45557", "for assignment to VNNIC members" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "MAINT-VN-VNNIC" ],
    "date_updated" : "2023-04-21",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS45557",
    "as_name" : "VNTT-AS-VN",
    "description" : [ "Vietnam Technology and Telecommunication JSC", "No 21 VSIP II, Road 1, Vietnam Singapore II,Hoa Phu ward,Thu Dau Mot City,Binh Duong" ],
    "country" : "VN",
    "import" : [ "from AS7643 action pref=100; accept AS45557", "from AS7552 action pref=100; accept AS45557", "from AS38248 action pref=100; accept AS45557" ],
    "export" : [ "to AS7643 announce AS45557", "to AS7552 announce AS45557", "to AS38248 announce AS45557" ],
    "admin_contacts" : [ "DNHV1-AP" ],
    "tech_contacts" : [ "NNB6-AP" ],
    "notify" : [ "vudnh@vntt.com.vn" ],
    "mnt_irt" : [ "IRT-VNNIC-AP" ],
    "mnt_routes" : [ "MAINT-VN-VNNIC" ],
    "mnt_by" : [ "MAINT-VN-VNNIC" ],
    "date_updated" : "2017-11-19",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-VNNIC-AP",
    "address" : [ "Ha Noi, VietNam" ],
    "city" : "Ha Noi",
    "country" : "VIETNAM",
    "email" : [ "hm-changed@vnnic.vn" ],
    "abuse_mailbox" : [ "hm-changed@vnnic.vn" ],
    "phone" : [ "+84-24-35564944" ],
    "fax_no" : [ "+84-24-37821462" ],
    "admin_contacts" : [ "NTTT1-AP" ],
    "tech_contacts" : [ "NTTT1-AP" ],
    "mnt_by" : [ "MAINT-VN-VNNIC" ],
    "date_updated" : "2026-04-21",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "DNHV1-AP",
    "name" : "Duong Ngoc Hoang Vu",
    "address" : [ "VNTT-VN" ],
    "country" : "VN",
    "email" : [ "vudnh@vntt.com.vn" ],
    "phone" : [ "+84-650-2220222" ],
    "mnt_by" : [ "MAINT-VN-VNNIC" ],
    "date_updated" : "2017-11-19",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "NNB6-AP",
    "name" : "Nguyen Ngoc Bao",
    "address" : [ "VNTT-VN" ],
    "country" : "VN",
    "email" : [ "baonn@vntt.com.vn" ],
    "phone" : [ "+84-650-2220222" ],
    "mnt_by" : [ "MAINT-VN-VNNIC" ],
    "date_updated" : "2017-11-19",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS24482	SG.GS	SG
AS142271	EWS DS Networks Inc	PH
AS7643	Vietnam Posts and Telecommunications VNPT	VN
AS6939	Hurricane Electric LLC	US
AS138997	Eons Data Communications Limited	HK
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC	AE
AS24115	Equinix Asia Pacific Pte Ltd	SG
AS8966	Etisalat - Emirates Telecommunications Corporation	AE
AS5580	GTT Communications Netherlands B.V.	NL
AS955	LSHIY LLC	US
AS38248	VTC VN	VN
AS18403	FPT Telecom Company	VN
AS134823	Sky Digital Co., Ltd.	TW
AS9002	RETN Limited	GB
AS131351	Orient commercial joint stock bank	VN
AS32590	Valve Corporation	US
AS7552	Viettel Group	VN
AS174	Cogent Communications, LLC	US
AS45899	VNPT Corp	VN
AS7713	PT Telekomunikasi Indonesia	ID
AS24115	Equinix	SG
AS35280	F5 Networks SARL	FR
AS38008	Aperture Science Limited	HK
AS137409	GSL Networks Pty LTD	AU
AS132337	Axclusive	SG
AS49544	i3D.net B.V	NL

Upstreams

AS Number	Description	Country
AS18403	FPT Telecom Company	VN
AS9002	RETN Limited	GB
AS6939	Hurricane Electric LLC	US
AS7552	Viettel Group	VN
AS38008	Aperture Science Limited	HK
AS8966	EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC	AE
AS174	Cogent Communications, LLC	US
AS137409	GSL Networks Pty LTD	AU
AS24115	Equinix Asia Pacific Pte Ltd	SG
AS45899	VNPT Corp	VN

Downstreams

AS Number	Description	Country
AS131351	Orient commercial joint stock bank	VN

Contacts

Email Contacts

vudnh@vntt.com.vn helpdesk@apnic.net baonn@vntt.com.vn hm-changed@vnnic.vn

Abuse Contacts

hm-changed@vnnic.vn

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