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
103.21.236.0/22 AS12886 LEW TelNet GmbH 1,024
103.21.132.0/22 AS38835 Buroserv Australia Pty Ltd 1,024
103.21.156.0/22 AS134141 B2B Wholesale Pty Ltd 1,024
103.21.48.0/22 AS58750 ThinkEx Holdings Pty Ltd 1,024
103.21.128.0/22 AS58927 M.D.G. IT Pty Ltd 1,024
103.21.60.0/22 AS131148 Bank Of Taiwan 1,024
103.21.176.0/22 AS9808 China Mobile Communications Corporation 1,024
103.21.216.0/22 AS9905 PT. LINKNET, 1,024
103.21.184.0/22 AS132453 TRIPLE PLAY BROADBAND PRIVATE LIMITED 1,024
103.21.200.0/22 AS38091 LG HelloVision Corp. 1,024
103.21.0.0/22 AS38195 SUPERLOOP (AUSTRALIA) PTY LTD 1,024
103.21.148.0/22 AS38732 CMC Telecom Infrastructure Company 1,024
103.21.204.0/22 AS131746 PT. Medianusa Permana 1,024
103.21.116.0/22 AS138950 Shanghai ruisu Network Technology Co.,Ltd 1,024
103.21.252.0/22 AS131310 PLTPRO Data Centre Sdn. Bhd. 1,024
103.21.124.0/22 AS132423 Powai 1,024
103.21.84.0/22 AS45786 PT Hawk Teknologi Solusi 1,024
103.21.240.0/22 AS16509 Amazon Connection Technology Services (Beijing) Co., LTD 1,024
103.21.32.0/22 AS132434 Maxis Broadband Sdn Bhd 1,024
103.21.44.0/22 AS132435 A-6-3A, Block A, No. 2, Jalan PJU 1A/7A, 1,024
103.21.140.0/22 AS4811 Shanghai Meicheng Technology Information Co.,Ltd. 1,024
103.21.140.0/22 AS4812 Shanghai Meicheng Technology Information Co.,Ltd. 1,024
103.21.152.0/22 AS24028 REDtone Marketing Sdn. Bhd. 1,024
103.21.116.0/22 AS55994 Shanghai ruisu Network Technology Co.,Ltd 1,024
103.21.8.0/22 AS26658 UNIT 04, 7/F, BRIGHT WA, NO. 33 MONG KOK rd, kl, HK 1,024
103.21.40.0/22 AS58715 EarthTelcommunication 1,024
103.21.60.0/22 AS3462 Bank Of Taiwan 1,024
103.21.208.0/22 AS36352 Kaifeng Guochao E-commerce Co.Ltd. 1,024
103.21.120.0/22 AS131368 Petrovietnam oil corporation 1,024
103.21.58.0/23 AS394695 P.D.R Solutions FZC 512
103.21.68.0/23 AS136290 COUNTRY ONLINE SERVICES 512
103.21.70.0/23 AS150070 SPIRETEL TECHNOLOGIES PRIVATE LIMITED 512
103.21.28.0/23 AS54187 Eze Castle Integration, Inc. - ECINet 512
103.21.64.0/23 AS150982 Dinas Komunikasi, Informatika dan Persandian Kabupaten Kampar 512
103.21.100.0/23 AS140807 CUU LONG INTERNATIONAL DEVELOPMENT SERVICES AND TRADING JOINT STOCK COMPANY 512
103.21.96.0/23 AS140807 AN ANH PHONG COMPANY LIMITED 512
103.21.222.0/23 AS149829 Dream View Cable Network 512
103.21.18.0/23 AS58714 19th Floor, Tower C and D, Building No. 14, DLF Cyber City, 512
103.21.6.0/23 AS150069 CLOUDNET INTERNET SERVICE PVT LTD 512
103.21.92.0/24 AS45295 PT. Cipta Informatika Cemerlang 256
103.21.93.0/24 AS45295 PT. Cipta Informatika Cemerlang 256
103.21.94.0/24 AS45295 PT. Cipta Informatika Cemerlang 256
103.21.95.0/24 AS45295 PT. Cipta Informatika Cemerlang 256
103.21.180.0/24 AS45352 ONEBIRD (M) SDN. BHD. 256
103.21.181.0/24 AS45352 ONEBIRD (M) SDN. BHD. 256
103.21.182.0/24 AS45352 ONEBIRD (M) SDN. BHD. 256
103.21.183.0/24 AS45352 ONEBIRD (M) SDN. BHD. 256
103.21.84.0/24 AS45786 PT Hawk Teknologi Solusi 256
103.21.85.0/24 AS45786 PT. Hawk Teknologi Solusi 256
103.21.86.0/24 AS45786 PT. Hawk Teknologi Solusi 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
103.21.151.174 eliman.org 3
103.21.151.224 nhanvien13.com 3
103.21.151.243 cscj.com.vn 3
103.21.151.220 mutnamphuong.com 3
103.21.151.21 shbfinance.vn 2
103.21.151.173 geostella.net 2
103.21.151.201 colearn.vn 2
103.21.151.222 simlyican.com 2
103.21.151.162 ungthubachmai.com.vn 1
103.21.151.179 demxe.net 1
103.21.151.167 haancorp.com 1
103.21.151.199 denhung.vn 1
103.21.151.183 hawkwise.vn 1
103.21.151.215 agr.vn 1
103.21.151.133 tomotech.com.vn 1
103.21.151.218 s2c.info 1
103.21.151.225 s2c.com.vn 1
103.21.151.213 1sk.vn 1
103.21.151.221 softtech.com.vn 1
103.21.151.154 vdx.com.vn 1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity
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Pingable IPs

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

IP Address ASN Details
103.21.151.102 AS38732 CMC Telecom Infrastructure Company 1.10ms 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
152.54.9.104 AS81 MCNC 7.42ms from Ashburn, US
74.139.57.104 AS10796 Charter Communications Inc 18.31ms from Cleveland, US
118.219.173.24 AS9318 SK Broadband Co Ltd 3.48ms from Incheon, KR
1.249.48.216 AS9318 SK Broadband Co Ltd 5.61ms from Incheon, KR
2.120.232.40 AS5607 Sky UK Limited 4.04ms from London, GB
107.201.247.104 AS7018 AT&T Enterprises, LLC 3.19ms from Los Angeles, US
145.223.106.200 AS47583 Hostinger International Limited 0.61ms from Phoenix, US
143.106.37.8 AS53187 UNIVERSIDADE ESTADUAL DE CAMPINAS 2.51ms from Sao Paulo, BR
70.178.29.232 AS22773 Cox Communications Inc. 8.60ms from Tulsa, US
134.112.82.216 AS8075 Microsoft Corporation 0.22ms from Warsaw, PL
177.222.242.8 AS28198 SEMPRE TELECOMUNICACOES LTDA 5.04ms from Belo Horizonte, BR
52.40.162.40 AS16509 Amazon.com, Inc. 0.14ms from Boardman, US
181.234.143.56 AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC 8.63ms from Bogota, CO
49.177.57.136 AS4804 Microplex PTY LTD 2.07ms from Brisbane, AU
189.176.156.88 AS8151 UNINET 14.34ms from Cancún, MX
183.67.65.104 AS4134 CHINANET-BACKBONE 5.39ms from Chongqing, CN
34.0.128.72 AS15169 Google LLC 0.29ms from Dallas, US
47.219.221.72 AS19108 Optimum 9.57ms from Dallas, US
115.212.135.152 AS4134 CHINANET-BACKBONE 9.81ms from Hangzhou, CN
31.34.24.120 AS5410 Bouygues Telecom SA 7.30ms from Marseille, FR
189.153.28.184 AS8151 UNINET 1.97ms from Monterrey, MX
173.70.165.56 AS701 Verizon Business 1.61ms from New York City, US
79.221.18.56 AS3320 Deutsche Telekom AG 3.31ms from Nuernberg, DE
44.200.208.232 AS14618 Amazon.com, Inc. 0.21ms from Reston, US
212.35.18.24 AS41872 Flashcable Network 5.38ms from Zuerich, CH

Traceroute

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

$
traceroute -a -n -q1 103.21.151.146
traceroute to 103.21.151.146 (103.21.151.146): 64 hops max, 52 byte packets
1 [AS15169] 72.14.236.39 173.689 ms
2 *
3 [AS45903] 183.91.0.2 203.509 ms
4 [AS38732] 103.252.2.223 220.268 ms
5 *
Measurement taken from IPinfo ProbeNet in Dallas, US
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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