ASN AS56141 is an Autonomous System Number used to identify a network for BGP internet routing.

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.

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AS56141 Da Nang Center for Digital Transformation and Strategic Technology

Q: Who manages ASN AS56141?

AS56141 is listed under Da Nang Center for Digital Transformation and Strategic Technology.

Da Nang Center for Digital Transformation and Strategic Technology bmz-digital.global

VN 15 Routes

AS Data

AS56141

AS56141 – Da Nang Center for Digital Transformation and Strategic Technology

AS Number	56141
AS Name	DDS-VN
Organization	Da Nang Center for Digital Transformation and Strategic Technology
Country	VN
Website	bmz-digital.global
Number of IPv4 Routes	14
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	APNIC
Date Allocated	2015-12-30

ASN Intelligence API for production workflows

Use ASN data for AS56141 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.101.78.0/23	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	512
49.156.52.0/22	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	1024
103.101.76.0/23	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	512
49.156.53.0/24	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	256
103.101.79.0/24	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	256
49.156.52.0/23	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	512
103.101.77.0/24	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	256
49.156.54.0/23	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	512
103.101.76.0/22	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	1024
49.156.55.0/24	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	256
49.156.52.0/24	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	256
2001:df2:9b00::/48	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	~1×10²⁴
103.101.78.0/24	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	256
49.156.54.0/24	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	256
103.101.76.0/24	AS56141	Da Nang Center for Digital Transformation and Strategic Technology	Danang ICT Infrastructure Development Center	256

Raw Whois Response

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

% Information related to 'AS55296 - AS56319'

as-block:       AS55296 - AS56319
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:  2009-09-03T01:15:30Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC

% Information related to 'AS56141 - AS56160'

as-block:       AS56141 - AS56160
descr:          VNNIC-ASBLOCK-AP
descr:          VNNIC
descr:          Vietnam Network Information Center
country:        VN
admin-c:        NTTT3-AP
tech-c:         NTTT3-AP
remarks:        Block of 20 AS numbers from 56141 - 56160
remarks:        for assignment to VNNIC members
mnt-by:         APNIC-HM
mnt-lower:      MAINT-VN-VNNIC
last-modified:  2023-04-21T06:49:58Z
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 'AS56141'

% Abuse contact for 'AS56141' is 'hm-changed@vnnic.vn'

aut-num:        AS56141
as-name:        DDS-VN
descr:          Da Nang Center for Digital Transformation and Strategic Technology
descr:          2 Quang Trung Street, Hai Chau Ward, Da Nang City, Vietnam
country:        VN
import:         from AS7643 action pref=10; accept ANY
import:         from AS45903 action pref=10; accept ANY
export:         to AS7643 announce AS56141
export:         to AS45903 announce AS56141
admin-c:        TQH35-AP
tech-c:         PHH7-AP
mnt-by:         MAINT-VN-VNNIC
mnt-routes:     MAINT-VN-VNNIC
mnt-irt:        IRT-VNNIC-AP
last-modified:  2026-10-20T04:20:12Z
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:         Pham Hoang Hoai
address:        DDS-VN
country:        VN
phone:          +84-917025459
e-mail:         hoaiph@danang.gov.vn
nic-hdl:        PHH7-AP
mnt-by:         MAINT-VN-VNNIC
last-modified:  2025-12-24T10:04:37Z
source:         APNIC

person:         Tran Quoc Huy
address:        DDS-VN
country:        VN
phone:          +84-963798999
e-mail:         huytq@danang.gov.vn
nic-hdl:        TQH35-AP
mnt-by:         MAINT-VN-VNNIC
last-modified:  2025-12-24T10:04:10Z
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" : "AS55296 - AS56319",
    "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" : "2009-09-03",
    "source" : "APNIC"
  }, {
    "as_block" : "AS56141 - AS56160",
    "country" : "VN",
    "description" : [ "VNNIC-ASBLOCK-AP", "VNNIC", "Vietnam Network Information Center" ],
    "admin_contacts" : [ "NTTT3-AP" ],
    "tech_contacts" : [ "NTTT3-AP" ],
    "remarks" : [ "Block of 20 AS numbers from 56141 - 56160", "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" : "AS56141",
    "as_name" : "DDS-VN",
    "description" : [ "Da Nang Center for Digital Transformation and Strategic Technology", "2 Quang Trung Street, Hai Chau Ward, Da Nang City, Vietnam" ],
    "country" : "VN",
    "import" : [ "from AS7643 action pref=10; accept ANY", "from AS45903 action pref=10; accept ANY" ],
    "export" : [ "to AS7643 announce AS56141", "to AS45903 announce AS56141" ],
    "admin_contacts" : [ "TQH35-AP" ],
    "tech_contacts" : [ "PHH7-AP" ],
    "mnt_irt" : [ "IRT-VNNIC-AP" ],
    "mnt_routes" : [ "MAINT-VN-VNNIC" ],
    "mnt_by" : [ "MAINT-VN-VNNIC" ],
    "date_updated" : "2026-10-20",
    "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" : "TQH35-AP",
    "name" : "Tran Quoc Huy",
    "address" : [ "DDS-VN" ],
    "country" : "VN",
    "email" : [ "huytq@danang.gov.vn" ],
    "phone" : [ "+84-963798999" ],
    "mnt_by" : [ "MAINT-VN-VNNIC" ],
    "date_updated" : "2025-12-24",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "PHH7-AP",
    "name" : "Pham Hoang Hoai",
    "address" : [ "DDS-VN" ],
    "country" : "VN",
    "email" : [ "hoaiph@danang.gov.vn" ],
    "phone" : [ "+84-917025459" ],
    "mnt_by" : [ "MAINT-VN-VNNIC" ],
    "date_updated" : "2025-12-24",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS45903	CMC Telecom Infrastructure Company	VN
AS18403	FPT Telecom Company	VN
AS131429	MOBIFONE Corporation	VN
AS7643	Vietnam Posts and Telecommunications VNPT	VN
AS56156	Vietnam Internet Network Information Center	VN
AS7552	Viettel Group	VN