ASN Lookup Tool

CMC Telecom Infrastructure Company cmctelecom.vn VN VN 695 Routes

AS Data

AS45903

AS45903CMC Telecom Infrastructure Company

AS Number 45903
AS Name CMCTELECOM-VN
Organization CMC Telecom Infrastructure Company
Country VN
Website cmctelecom.vn
Number of IPv4 Routes 555
Number of IPv6 Routes 140
ASN type ISP
Registry APNIC
Date Allocated N/A

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IP Ranges

Route # IPs
113.20.126.90/32 1
113.20.122.161/32 1
101.99.44.0/23 512
202.134.23.0/24 256
2402:5300:501::/48 ~1×10²⁴
2402:5300:906::/48 ~1×10²⁴
183.91.24.0/22 1024
2402:5300:4012::/48 ~1×10²⁴
203.205.21.34/32 1
45.122.252.0/24 256
203.171.21.196/32 1
203.205.31.1/32 1
103.63.111.73/32 1
2402:5300:412::/48 ~1×10²⁴
203.171.20.219/32 1
101.99.8.10/32 1
2402:5300:4506::/48 ~1×10²⁴
183.91.8.0/21 2048
203.205.48.0/21 2048
42.96.47.163/32 1
101.99.7.0/24 256
113.20.116.0/22 1024
203.205.5.0/24 256
101.99.26.23/32 1
103.63.111.113/32 1
183.91.10.0/24 256
101.99.6.0/23 512
2402:5300:60a::/48 ~1×10²⁴
2402:5300:2100::/44 ~19×10²⁴
42.96.40.98/32 1
101.99.15.0/24 256
202.134.17.0/24 256
45.122.240.0/24 256
113.20.127.0/24 256
101.99.5.90/32 1
101.99.39.0/24 256
101.99.21.0/24 256
203.205.16.0/22 1024
113.20.126.0/24 256
101.99.26.10/32 1
183.91.28.0/23 512
183.91.22.136/32 1
101.99.57.96/32 1
42.96.39.0/24 256
202.134.18.0/24 256
42.96.50.0/24 256
2402:5300:609::/48 ~1×10²⁴
144.48.24.0/24 256
2402:5300:4507::/48 ~1×10²⁴
45.122.241.0/24 256
101.99.35.4/32 1
2402:5300:700::/44 ~19×10²⁴
113.20.103.0/24 256
2402:5300::/48 ~1×10²⁴
2402:5300:4013::/48 ~1×10²⁴
42.96.38.0/24 256
101.99.26.11/32 1
103.63.112.0/22 1024
202.134.22.212/32 1
2402:5300:4300::/44 ~19×10²⁴

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:        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 'AS45894 - AS45903'

as-block:       AS45894 - AS45903
descr:          VNNIC-ASBLOCK-VN
descr:          VNNIC
descr:          Vietnam Network Information Center
country:        VN
admin-c:        NTTT3-AP
tech-c:         NTTT3-AP
remarks:        Block of 10 AS numbers from 45894 - 45903
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 'AS45903'

% Abuse contact for 'AS45903' is 'hm-changed@vnnic.vn'

aut-num:        AS45903
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 AS45903
import:         from AS7552 action pref=100; accept AS45903
import:         from AS24086 action pref=100; accept AS45903
export:         to AS7643 announce AS45903
export:         to AS7552 announce AS45903
export:         to AS24086 announce AS45903
admin-c:        HVA2-AP
tech-c:         NVH31-AP
mnt-by:         MAINT-VN-VNNIC
mnt-irt:        IRT-VNNIC-AP
mnt-routes:     MAINT-VN-VNNIC
last-modified:  2025-05-16T04:03:58Z
abuse-c:        CTAC1-AP
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

Peers

AS Number Description Country
AS149099 HUNG THINH GROUP CORPORATION VN
AS131128 Onepay Online Service and Commercial Joint Stock Company VN
AS5511 Orange S.A. FR
AS51907 Kanton Zug CH
AS58057 Securebit AG CH
AS2500 WIDE Project JP
AS38880 Micron21 Datacentre Pty Ltd AU
AS198150 SIACOM JSC GE
AS149100 SMARTMIND SECURITIES JOINT STOCK COMPANY VN
AS60144 3W Infra B.V. NL
AS23899 Vietnam Internet network information center VNNIC VN
AS3303 Swisscom Schweiz AG CH
AS131360 NATIONAL PAYMENT CORPORATION OF VIET NAM VN
AS139341 ACEVILLE PTE.LTD. SG
AS50673 Serverius Holding B.V. NL
AS55306 Vietnam bank for Agriculture anh Rural Development VN
AS206735 Novelcomm LP GR
AS703 Verizon Business US
AS13237 euNetworks GmbH DE
AS32590 Valve Corporation US
AS7768 TEKNET VERI MERKEZI HIZMETLERI A.S. TR
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS45553 BAO VIET HOLDINGS INFORMATION TECHNOLOGY CENTER BRANCH VN
AS131129 Hochiminh Stock Exchange VN
AS559 SWITCH CH
AS8758 Iway AG CH
AS63516 Transhybrid Internet Xchange ID
AS131364 Military commercial join stock bank VN
AS1828 Unitas Global US
AS211358 Patrizio Palumbo IT
AS152968 LPBank Insurance Joint Stock Corporation VN
AS264479 Turbozone Internet BR
AS396986 Bytedance Inc. US
AS12741 Netia SA PL
AS63927 RISE ASIA TECHNOLOGY LIMITED PH
AS153013 GTSC VIETNAM TECHNOLOGY SERVICES AND COMMERCIAL JOINT STOCK COMPANY VN
AS209823 Enki Multimedia EURL FR
AS14630 Invesco Group Services, Inc. US
AS55685 PT Jala Lintas Media ID
AS135607 Infinivan Inc. PH
AS133210 EN Technologies Pte Ltd SG
AS151326 DCConnect Communication Pte. Ltd. SG
AS24940 Hetzner Online GmbH DE
AS37100 SEACOM Limited MU
AS199938 Netzwerge GmbH DE
AS152940 TTC TELECOM SERVICE TRADING INVESTMENT COMPANY LIMITED VN
AS43440 Digitale Suisse AG CH
AS18403 FPT Telecom Company VN
AS215859 Hetzner Online GmbH DE
AS131354 Prudential Vietnam Assurance Private limited VN
AS52075 Wifirst S.A.S. FR
AS263444 Open X Tecnologia Ltda BR
AS4766 Korea Telecom KR
AS7552 Viettel Group VN
AS63743 VietNam payment solution joint stock company VN
AS19551 Incapsula Inc US
AS35710 weber.digital GmbH DE
AS45899 VNPT Corp VN
AS41327 Fiber Telecom S.p.A. IT
AS62255 BiMajLink d.o.o. SI

Upstreams

AS Number Description Country
AS12552 GlobalConnect AB SE
AS5511 Orange S.A. FR
AS20326 TeraSwitch Networks Inc. US
AS39249 Netassist International EOOD BG
AS9505 Chunghwa Telecom Co., Ltd. TW
AS31133 PJSC MegaFon RU
AS37468 Angola Cables AO
AS3303 Swisscom Schweiz AG CH
AS50673 Serverius Holding B.V. NL
AS24173 Netnam Company VN
AS12859 BIT BV NL
AS58453 China Mobile International Limited HK
AS703 Verizon Business US
AS14840 BR.Digital Telecom BR
AS9583 Sify Limited IN
AS20766 Association Gitoyen FR
AS8758 Iway AG CH
AS9930 TT DOTCOM SDN BHD MY
AS8447 A1 Telekom Austria AG AT
AS35625 Eurofiber France SAS FR
AS1836 green.ch AG CH
AS15412 Global Cloud Xchange GB
AS8298 IPng Networks GmbH CH
AS138997 Eons Data Communications Limited HK
AS7713 Telekomunikasi Indonesia PT ID
AS34177 Celeste SAS FR
AS205103 Telegraph42 Management GmbH DE
AS34019 Hivane Association FR
AS6777 Amsterdam Internet Exchange B.V. NL
AS3491 PCCW Global HK Limited HK
AS15958 CETIN Ltd. Belgrade RS
AS6206 Netrouting B.V. NL
AS37100 SEACOM Limited MU
AS39120 Convergenze S.p.A. IT
AS9002 RETN Limited GB
AS4766 Korea Telecom KR
AS6057 Administracion Nacional de Telecomunicaciones UY
AS7473 Singapore Telecommunications SINGTEL Internet Exchange SG
AS41327 Fiber Telecom S.p.A. IT
AS45899 VNPT Corp VN
AS29691 Nine Internet Solutions AG CH
AS29208 Quantcom, a.s. CZ
AS35280 F5 Networks SARL FR
AS20562 Broadband Hosting B.V. NL
AS3356 Level 3 Parent, LLC US
AS3204 xTom OU EE
AS12577 MMC GmbH AT
AS7195 EDGEUNO S.A.S CO
AS64049 Reliance Jio Infocomm Pte Ltd Singapore SG
AS39351 31173 Services AB SE
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS8359 MTS PJSC RU
AS8966 EMIRATES TELECOMMUNICATIONS GROUP COMPANY ETISALAT GROUP PJSC AE
AS22356 Durand do Brasil Ltda BR
AS17557 Pakistan Telecommunication Company Limited PK
AS20764 CJSC RASCOM RU
AS15802 Emirates Integrated Telecommunications Company PJSC AE
AS47147 ANEXIA Internetdienstleistungs GmbH AT
AS6797 GlobalConnect AB SE

Downstreams

AS Number Description Country
AS149099 HUNG THINH GROUP CORPORATION VN
AS38733 CMC Telecom Infrastructure Company VN
AS56159 Sai Gon Join stock commercial Bank VN
AS131128 Onepay Online Service and Commercial Joint Stock Company VN
AS135942 Adsota Corporation VN
AS63749 Luxoft VietNam Company LTD VN
AS131353 NhanHoa Software company VN
AS149100 SMARTMIND SECURITIES JOINT STOCK COMPANY VN
AS131410 Vietnam Cable Television Corporation Joint Stock Company VN
AS63731 TIEN PHAT TECHNOLOGY CORPORATION VN

Contacts

Legacy Routes

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Frequently Asked Questions

ASN AS45903 is an Autonomous System Number used to identify a network for BGP internet routing.
AS45903 is listed under CMC Telecom Infrastructure Company.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.