ASN AS38732 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS38732?

AS38732 is listed under CMC Telecom Infrastructure Company.

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?

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AS38732 CMC Telecom Infrastructure Company

CMC Telecom Infrastructure Company cmctelecom.vn

VN 51 Routes

AS Data

AS38732

AS38732 – CMC Telecom Infrastructure Company

AS Number	38732
AS Name	CMCTELECOM-VN
Organization	CMC Telecom Infrastructure Company
Country	VN
Website	cmctelecom.vn
Number of IPv4 Routes	39
Number of IPv6 Routes	12
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS38732 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 'AS37888 - AS38911'

as-block:       AS37888 - AS38911
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:  2009-09-29T06:04:16Z
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 'AS38725 - AS38739'

as-block:       AS38725 - AS38739
descr:          VNNIC-ASBLOCK-VN
descr:          VNNIC
descr:          Vietnam Network Information Center
country:        VN
admin-c:        NTTT3-AP
tech-c:         NTTT3-AP
remarks:        Block of 15 AS numbers from 38725 - 38739
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 'AS38732'

% Abuse contact for 'AS38732' is 'hm-changed@vnnic.vn'

aut-num:        AS38732
as-name:        CMCTELECOM-VN
descr:          CMC Telecom Infrastructure Company
descr:          CMC Tower, Duy Tan, Dich Vong Hau, Yen Hoa, Cau Giay, Hanoi, Vietnam
country:        VN
import:         from AS7643 action pref=100; accept ANY
import:         from AS24086 action pref=100; accept ANY
export:         to AS7643 announce AS38732
export:         to AS24086 announce AS38732
admin-c:        HVA2-AP
tech-c:         NVH31-AP
mnt-by:         MAINT-VN-VNNIC
mnt-routes:     MAINT-VN-VNNIC
mnt-irt:        IRT-VNNIC-AP
last-modified:  2025-05-16T04:03:32Z
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:         Hoang Viet Anh
address:        CMCTELECOM-VN
country:        VN
phone:          +84-366235766
e-mail:         anh.hv@cmctelecom.vn
nic-hdl:        HVA2-AP
mnt-by:         MAINT-VN-VNNIC
last-modified:  2023-08-31T04:22:33Z
source:         APNIC

person:         Nguyen Van Hieu
address:        CMCTELECOM-VN
country:        VN
phone:          +84-968189689
e-mail:         hieu.nv@cmctelecom.vn
nic-hdl:        NVH31-AP
mnt-by:         MAINT-VN-VNNIC
last-modified:  2022-08-28T04:27:35Z
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" : "AS37888 - AS38911",
    "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" : "AS38725 - AS38739",
    "country" : "VN",
    "description" : [ "VNNIC-ASBLOCK-VN", "VNNIC", "Vietnam Network Information Center" ],
    "admin_contacts" : [ "NTTT3-AP" ],
    "tech_contacts" : [ "NTTT3-AP" ],
    "remarks" : [ "Block of 15 AS numbers from 38725 - 38739", "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" : "AS38732",
    "as_name" : "CMCTELECOM-VN",
    "description" : [ "CMC Telecom Infrastructure Company", "CMC Tower, Duy Tan, Dich Vong Hau, Yen Hoa, Cau Giay, Hanoi, Vietnam" ],
    "country" : "VN",
    "import" : [ "from AS7643 action pref=100; accept ANY", "from AS24086 action pref=100; accept ANY" ],
    "export" : [ "to AS7643 announce AS38732", "to AS24086 announce AS38732" ],
    "admin_contacts" : [ "HVA2-AP" ],
    "tech_contacts" : [ "NVH31-AP" ],
    "mnt_irt" : [ "IRT-VNNIC-AP" ],
    "mnt_routes" : [ "MAINT-VN-VNNIC" ],
    "mnt_by" : [ "MAINT-VN-VNNIC" ],
    "date_updated" : "2025-05-16",
    "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" : "HVA2-AP",
    "name" : "Hoang Viet Anh",
    "address" : [ "CMCTELECOM-VN" ],
    "country" : "VN",
    "email" : [ "anh.hv@cmctelecom.vn" ],
    "phone" : [ "+84-366235766" ],
    "mnt_by" : [ "MAINT-VN-VNNIC" ],
    "date_updated" : "2023-08-31",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "NVH31-AP",
    "name" : "Nguyen Van Hieu",
    "address" : [ "CMCTELECOM-VN" ],
    "country" : "VN",
    "email" : [ "hieu.nv@cmctelecom.vn" ],
    "phone" : [ "+84-968189689" ],
    "mnt_by" : [ "MAINT-VN-VNNIC" ],
    "date_updated" : "2022-08-28",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS140829	APNIC ASN block	VN
AS152992	ONLINE DATA COMPANY LIMITED	VN
AS149120	BLUE TECHNOLOGY AND INVESTMENT COMPANY LIMITED	VN
AS7643	Vietnam Posts and Telecommunications VNPT	VN
AS151863	PSG JOINT STOCK COMPANY	VN
AS131414	Long Van Soft Solution JSC	VN
AS131353	NhanHoa Software company	VN
AS45903	CMC Telecom Infrastructure Company	VN
AS140829	Vietnam Internet Network Information Center VNNIC	VN
AS131386	Long Van System Solution JSC	VN
AS153500	1School Education Technology and Solutions Company Limited	VN
AS154247	MCO HA NOI TECHNOLOGY COMPANY LIMITED	VN
AS151873	TOTHOST SOLUTIONS AND TECHNOLOGIES COMPANY LIMITED	VN
AS135981	VisualViet Company Limited	VN
AS153016	VN Change Digital Ltd.	VN
AS135967	Bach Kim Network solutions Join stock company	VN
AS24086	Viettel Corporation	VN
AS153683	VIETNAM V2 INFORMATION SECURE JOINT STOCK COMPANY	VN
AS133047	P9 TECHNOLOGY COMPANY LIMITED	VN
AS153651	QPPF Company Limited	VN
AS140814	Floor 5, 255 Tran Dang Ninh, Dich Vong, Cau Giay District, Ha Noi City	VN

Upstreams

AS Number	Description	Country
AS45903	CMC Telecom Infrastructure Company	VN

Downstreams

AS Number	Description	Country
AS152992	ONLINE DATA COMPANY LIMITED	VN
AS149120	BLUE TECHNOLOGY AND INVESTMENT COMPANY LIMITED	VN
AS151863	PSG JOINT STOCK COMPANY	VN
AS131353	NhanHoa Software company	VN
AS140829	Vietnam Internet Network Information Center VNNIC	VN
AS131386	Long Van System Solution JSC	VN
AS153500	1School Education Technology and Solutions Company Limited	VN
AS154247	MCO HA NOI TECHNOLOGY COMPANY LIMITED	VN
AS151873	TOTHOST SOLUTIONS AND TECHNOLOGIES COMPANY LIMITED	VN
AS135981	VisualViet Company Limited	VN
AS153016	VN Change Digital Ltd.	VN
AS135967	Bach Kim Network solutions Join stock company	VN
AS153683	VIETNAM V2 INFORMATION SECURE JOINT STOCK COMPANY	VN
AS133047	P9 TECHNOLOGY COMPANY LIMITED	VN
AS153651	QPPF Company Limited	VN
AS140814	Floor 5, 255 Tran Dang Ninh, Dich Vong, Cau Giay District, Ha Noi City	VN

Contacts

Email Contacts

hieu.nv@cmctelecom.vn helpdesk@apnic.net anh.hv@cmctelecom.vn hm-changed@vnnic.vn

Abuse Contacts

hm-changed@vnnic.vn

Legacy Routes

203.205.8.0/21 203.205.0.0/21

ASN Lookup Tool

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