1. All IP Ranges
  2. 103.0.0.0/8
  3. 103.21.0.0/16
  4. AS38732  | 103.21.148.0/24

103.21.148.0/24

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 103.21.148.0/24

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 20 domain names hosted across 15 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
103.21.148.53 tiemvacxin.vn 4
103.21.148.180 evercharge.vn 2
103.21.148.66 eduonline.edu.vn 2
103.21.148.183 zed.vn 1
103.21.148.55 nvgate.vn 1
103.21.148.30 cmcts.com.vn 1
103.21.148.84 vcbtc-elearning.com.vn 1
103.21.148.52 taktel.net 1
103.21.148.187 tecotec.edu.vn 1
103.21.148.133 thuochobophenamha.vn 1
103.21.148.150 appprintco.net 1
103.21.148.182 mkdc.vn 1
103.21.148.57 alovip.vn 1
103.21.148.42 tvplay.vn 1
103.21.148.50 gameshowviet.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.
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Pingable IPs

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

IP Address ASN Details
103.21.148.42 AS38732 CMC Telecom Infrastructure Company 0.77ms 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
86.121.144.120 AS8708 DIGI ROMANIA S.A. 0.79ms from Bucharest, RO
152.110.240.184 AS20011 Dimension Data 2.67ms from Cape Town, ZA
212.211.154.104 AS12399 q.beyond AG 0.42ms from Frankfurt am Main, DE
170.118.146.72 AS393330 Circana LLC 5.38ms from Frankfurt am Main, DE
182.108.24.72 AS4134 CHINANET-BACKBONE 1.05ms from Nanchang, CN
60.38.94.24 AS4713 NTT DOCOMO BUSINESS,Inc. 15.00ms from Osaka, JP
119.163.102.232 AS4837 CHINA UNICOM China169 Backbone 7.07ms from Qingdao, CN
24.11.91.40 AS7922 Comcast Cable Communications, LLC 5.73ms from Salt Lake City, US
179.82.124.56 AS26599 TELEFÔNICA BRASIL S.A 7.58ms from São Paulo, BR
111.248.130.232 AS3462 Data Communication Business Group 0.54ms from Taipei, TW
212.186.148.40 AS8412 T-Mobile Austria GmbH 4.08ms from Vienna, AT
97.148.148.248 AS6167 Verizon Business 17.97ms from Atlanta, US
172.71.12.136 AS13335 Cloudflare, Inc. 9.09ms from Baku, AZ
71.70.224.216 AS11426 Charter Communications Inc 12.01ms from Charlotte, US
64.92.63.152 AS6300 Fidium 7.13ms from Dallas, US
168.235.211.152 AS13428 Surf Air Wireless, LLC 1.62ms from Detroit, US
217.254.60.40 AS3320 Deutsche Telekom AG 5.46ms from Frankfurt am Main, DE
185.123.240.88 AS204139 NEXT GLOBAL SERVICES L.P. 0.61ms from London, GB
86.7.31.152 AS5089 Virgin Media Limited 5.68ms from London, GB
34.120.147.120 AS396982 Google LLC 0.07ms from Melbourne, AU
176.193.230.72 AS12714 PJSC MegaFon 2.14ms from Moscow, RU
188.65.238.40 AS38984 M9 COM LTD 0.69ms from Moscow, RU
133.165.211.232 AS17534 NSK Co.,Ltd. 5.84ms from Osaka, JP
180.11.29.216 AS4713 NTT DOCOMO BUSINESS,Inc. 2.47ms from Osaka, JP
139.99.24.184 AS16276 OVH SAS 0.10ms from Singapore, SG

Traceroute

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

$
traceroute -a -n -q1 103.21.148.194
traceroute to 103.21.148.194 (103.21.148.194): 64 hops max, 52 byte packets
1 [AS15169] 72.14.236.39 112.761 ms
2 *
3 [AS45903] 183.91.0.2 151.716 ms
4 [AS38732] 103.252.2.223 149.179 ms
5 *
6 [AS38732] 103.21.148.194 134.211 ms
Measurement taken from IPinfo ProbeNet in Delhi, IN
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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