1. All IP Ranges
  2. 103.0.0.0/8
  3. 103.21.0.0/16
  4. AS38732  | 103.21.151.0/24

103.21.151.0/24

AS38732  ·  CMC Telecom Infrastructure Company

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Summary

Country Vietnam
Domain cmctelecom.vn
ASN AS38732
Parent Range 103.21.148.0/22
Registry APNIC
ID CMCTELECOM-VN

WHOIS Details

inetnum:        103.21.148.0 - 103.21.151.255
netname:        CMCTELECOM-VN
descr:          CMC Telecom Infrastructure Company
descr:          CMC Tower, Duy Tan, Cau Giay, Hanoi, Vietnam
admin-c:        HVA2-AP
tech-c:         NVH31-AP
remarks:        send spam and abuse report to inoc@cmctelecom.vn
country:        VN
mnt-by:         MAINT-VN-VNNIC
mnt-lower:      MAINT-VN-VNNIC
mnt-irt:        IRT-VNNIC-AP
status:         ALLOCATED PORTABLE
last-modified:  2023-08-31T04:58:11Z
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:  2025-11-17T23:08:34Z
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

route:          103.21.148.0/22
descr:          CMCTELECOM-VN
origin:         AS38732
mnt-by:         MAINT-VN-VNNIC
last-modified:  2022-09-16T18:13:53Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 103.21.151.0/24

Range ASN Company Num of IPs
103.21.148.0/22 AS38732 CMC Telecom Infrastructure Company 1,024

Nearby Ranges

BGP prefixes that overlap with 103.21.0.0/16

Range ASN Company Num of IPs
103.21.156.0/22 AS134141 B2B Wholesale Pty Ltd 1,024
103.21.60.0/22 AS131148 Bank Of Taiwan 1,024
103.21.216.0/22 AS9905 PT. LINKNET, 1,024
103.21.176.0/22 AS9808 China Mobile Communications Corporation 1,024
103.21.128.0/22 AS58927 M.D.G. IT Pty Ltd 1,024
103.21.48.0/22 AS58750 ThinkEx Holdings Pty Ltd 1,024
103.21.252.0/22 AS131310 PLTPRO Data Centre Sdn. Bhd. 1,024
103.21.120.0/22 AS131368 Petrovietnam oil corporation 1,024
103.21.40.0/22 AS58715 EarthTelcommunication 1,024
103.21.204.0/22 AS131746 PT. Medianusa Permana 1,024
103.21.116.0/22 AS55994 Shanghai ruisu Network Technology Co.,Ltd 1,024
103.21.140.0/22 AS4812 Shanghai Meicheng Technology Information Co.,Ltd. 1,024
103.21.140.0/22 AS4811 Shanghai Meicheng Technology Information Co.,Ltd. 1,024
103.21.84.0/22 AS45786 PT Hawk Teknologi Solusi 1,024
103.21.132.0/22 AS38835 Buroserv Australia Pty Ltd 1,024
103.21.124.0/22 AS132423 Powai 1,024
103.21.32.0/22 AS132434 Maxis Broadband Sdn Bhd 1,024
103.21.148.0/22 AS38732 CMC Telecom Infrastructure Company 1,024
103.21.0.0/22 AS38195 SUPERLOOP (AUSTRALIA) PTY LTD 1,024
103.21.200.0/22 AS38091 LG HelloVision Corp. 1,024
103.21.208.0/22 AS36352 Kaifeng Guochao E-commerce Co.Ltd. 1,024
103.21.60.0/22 AS3462 Bank Of Taiwan 1,024
103.21.184.0/22 AS132453 TRIPLE PLAY BROADBAND PRIVATE LIMITED 1,024
103.21.8.0/22 AS26658 UNIT 04, 7/F, BRIGHT WA, NO. 33 MONG KOK rd, kl, HK 1,024
103.21.152.0/22 AS24028 REDtone Marketing Sdn. Bhd. 1,024
103.21.240.0/22 AS16509 Amazon Connection Technology Services (Beijing) Co., LTD 1,024
103.21.236.0/22 AS12886 LEW TelNet GmbH 1,024
103.21.116.0/22 AS138950 Shanghai ruisu Network Technology Co.,Ltd 1,024
103.21.100.0/23 AS140807 CUU LONG INTERNATIONAL DEVELOPMENT SERVICES AND TRADING JOINT STOCK COMPANY 512
103.21.68.0/23 AS136290 COUNTRY ONLINE SERVICES 512
103.21.96.0/23 AS140807 AN ANH PHONG COMPANY LIMITED 512
103.21.222.0/23 AS149829 Dream View Cable Network 512
103.21.6.0/23 AS150069 CLOUDNET INTERNET SERVICE PVT LTD 512
103.21.70.0/23 AS150070 SPIRETEL TECHNOLOGIES PRIVATE LIMITED 512
103.21.58.0/23 AS394695 P.D.R Solutions FZC 512
103.21.28.0/23 AS54187 Eze Castle Integration, Inc. - ECINet 512
103.21.18.0/23 AS58714 19th Floor, Tower C and D, Building No. 14, DLF Cyber City, 512
103.21.80.0/24 AS6453 THALES DIS FRANCE SAS 256
103.21.233.0/24 AS131210 Yashtel 256
103.21.195.0/24 AS149967 PT Indonesia China Mobile 256
103.21.232.0/24 AS131210 Yashtel 256
103.21.12.0/24 AS9927 PhilCom Corporation 256
103.21.231.0/24 AS132468 Satsol C-Band Infrastructure and clients 256
103.21.52.0/24 AS203020 HostRoyale Technologies Pvt Ltd 256
103.21.138.0/24 AS21859 ITAOYUN LIMITED IPXO 256
103.21.230.0/24 AS132468 Satsol O3B Infrastructure and clients 256
103.21.187.0/24 AS132453 TRIPLEPLAY INTERACTIVE PVT. LTD. 256
103.21.193.0/24 AS132450 New Era IT Ltd 256
103.21.175.0/24 AS132449 ALBANY 256
103.21.208.0/24 AS36352 Kaifeng Guochao E-commerce Co.Ltd. 256

Hosted domains

There are 34 domain names hosted across 22 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
103.21.151.220 khomutxop.com 3
103.21.151.174 elcomlab.com 3
103.21.151.243 cscj.com.vn 3
103.21.151.224 geolaxy.com 3
103.21.151.21 shbfinance.vn 2
103.21.151.173 interlabs.sg 2
103.21.151.222 simlyican.com 2
103.21.151.201 nptsolutions.us 2
103.21.151.225 s2c.com.vn 1
103.21.151.183 hawkwise.vn 1
103.21.151.221 softtech.com.vn 1
103.21.151.213 1sk.vn 1
103.21.151.141 giaido.vn 1
103.21.151.133 tomotech.com.vn 1
103.21.151.227 agriseco.com.vn 1
103.21.151.199 denhung.vn 1
103.21.151.154 vdx.com.vn 1
103.21.151.162 ungthubachmai.com.vn 1
103.21.151.215 agr.vn 1
103.21.151.179 demxe.net 1

Hosted domains API

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Pingable IPs

111 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
103.21.151.116 AS38732 CMC Telecom Infrastructure Company 0.69ms from Hanoi, VN

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
73.214.104.88 AS7922 Comcast Cable Communications, LLC 13.86ms from Ashburn, US
104.231.73.216 AS10796 Charter Communications Inc 11.58ms from Columbus, US
154.125.97.88 AS8346 SONATEL-AS Autonomous System 3.37ms from Dakar, SN
52.117.176.184 AS36351 IBM Cloud 0.98ms from Dallas, US
88.244.243.184 AS9121 Turk Telekomunikasyon Anonim Sirketi 19.43ms from Istanbul, TR
81.24.237.152 AS24817 Deda Tech SRL 2.85ms from Milan, IT
177.182.130.120 AS28573 Claro NXT Telecomunicacoes Ltda 11.66ms from Rio de Janeiro, BR
118.128.148.200 AS3786 LG DACOM Corporation 2.34ms from Seoul, KR
212.105.144.248 AS14593 Space Exploration Technologies Corporation 13.82ms from Sofia, BG
39.110.186.184 AS2527 Sony Network Communications Inc. 2.88ms from Tokyo, JP
213.49.38.184 AS5432 Proximus NV 3.82ms from Brussels, BE
84.36.166.248 AS36992 ETISALAT MISR 4.99ms from Cairo, EG
207.144.184.184 AS14615 Comporium, Inc 1.27ms from Charlotte, US
107.174.206.72 AS36352 HostPapa 0.14ms from Chicago, US
97.149.247.136 AS6167 Verizon Business 15.12ms from Chicago, US
52.208.161.248 AS16509 Amazon.com, Inc. 0.12ms from Dublin, IE
90.201.140.168 AS5607 Sky UK Limited 1.84ms from Erith, GB
137.138.21.248 AS513 CERN - European Organization for Nuclear Research 1.19ms from Geneve, CH
89.115.114.136 AS12353 Vodafone Portugal 2.78ms from Lisbon, PT
86.133.5.40 AS2856 British Telecommunications PLC 4.87ms from London, GB
151.15.60.168 AS1267 WIND TRE S.P.A. 3.57ms from Rome, IT
175.239.204.56 AS4766 Korea Telecom 6.39ms from Seoul, KR
186.33.208.72 AS52361 ARSAT - Empresa Argentina de Soluciones Satelitales S.A. 1.43ms from Buenos Aires, AR
73.3.135.248 AS7922 Comcast Cable Communications, LLC 5.00ms from Denver, US
34.245.142.168 AS16509 Amazon.com, Inc. 0.41ms from Dublin, IE

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -f5 103.21.151.191
traceroute to 103.21.151.191 (103.21.151.191): 64 hops max, 52 byte packets
5 [AS45903] 101.99.0.25 265.722 ms
6 [AS38732] 103.252.2.221 268.111 ms
7 [AS38732] 115.146.120.9 286.91 ms
8 [AS38732] 103.21.151.191 264.107 ms
Measurement taken from IPinfo ProbeNet in Paris, FR
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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