203.171.16.0/23

AS45903  ·  CMC Telecom Infrastructure Company

Need more data or want to access it via API or data downloads? Sign up to get free access

Sign up for free ›

Summary

Country Vietnam
Domain cmctelecom.vn
ASN AS45903
Registry APNIC
ID CMCTELECOM-VN

WHOIS Details

inetnum:        203.171.16.0 - 203.171.31.255
netname:        CMCTELECOM-VN
country:        VN
descr:          CMC Telecom Infrastructure Company
descr:          CMC Tower,Duy Tan, Dich Vong Hau, Cau Giay, Ha Noi
admin-c:        HVA2-AP
tech-c:         NVH31-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-VN-VNNIC
mnt-irt:        IRT-VNNIC-AP
last-modified:  2023-08-31T05:01:31Z
source:         APNIC

irt:            IRT-VNNIC-AP
address:        Ha Noi, VietNam
phone:          +84-24-35564944
fax-no:         +84-24-37821462
e-mail:         [email protected]
abuse-mailbox:  [email protected]
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:         [email protected]
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:         [email protected]
nic-hdl:        NVH31-AP
mnt-by:         MAINT-VN-VNNIC
last-modified:  2022-08-28T04:27:35Z
source:         APNIC

route:          203.171.16.0/20
descr:          CMCTELECOM-VN
origin:         AS45903
mnt-by:         MAINT-VN-VNNIC
last-modified:  2022-09-16T17:39:37Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.171.0.0/16

Range ASN Company Num of IPs
203.171.128.0/19 AS2687 Asia Pacific Operations 8,192
203.171.32.0/19 AS18400 Xtreme Networks Limited, 8,192
203.171.160.0/19 AS17839 LG HelloVision Corp. 8,192
203.171.160.0/19 AS38091 LG HelloVision Corp. 8,192
203.171.192.0/20 AS133612 VODAFONE AUSTRALIA PTY LIMITED 4,096
203.171.8.0/21 AS9997 Suzuka Cable Co.,Ltd 2,048
203.171.212.0/22 AS10010 Hands,Inc. 1,024
203.171.248.0/22 AS16509 Amazon.com, Inc. 1,024
203.171.216.0/23 AS9341 PT Indonesia Comnets Plus 512
203.171.172.0/24 AS17839 HVBucheon 256
203.171.252.0/24 AS38235 Angkor Data Communication 256
203.171.253.0/24 AS38235 Angkor Data Communication 256
203.171.254.0/24 AS38235 Angkor Data Communication 256
203.171.255.0/24 AS38235 Angkor Data Communication 256
203.171.4.0/24 AS38605 Corporate Internet Presence 256
203.171.221.0/24 AS45298 PT. INTERLINK TECHNOLOGY 256
203.171.209.0/24 AS45573 HSBC EDPI Pvt Ltd. 256
203.171.220.0/24 AS45583 35 Grafton Street 256
203.171.223.0/24 AS4771 Auckland Grammar School 256
203.171.216.0/24 AS9341 PT Indonesia Comnets Plus 256
203.171.217.0/24 AS9341 PT Indonesia Comnets Plus 256
203.171.173.0/24 AS17839 HVEunpyeong 256
203.171.5.0/24 AS17756 Star Track Express Pty Limited 256

Hosted domains

There are 4 domain names hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
203.171.16.251 hawee-pt.com 4

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

Pingable IPs

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

IP Address ASN Details
203.171.17.237 AS45903 CMC Telecom Infrastructure Company 1.02ms from Hanoi, VN
203.171.16.237 AS45903 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
102.42.222.247 AS8452 TE-AS 6.09ms from Cairo, EG
47.214.163.39 AS19108 Optimum 18.18ms from Chicago, US
50.51.48.199 AS5650 Frontier Communications of America, Inc. 9.88ms from Chicago, US
18.221.204.55 AS16509 Amazon.com, Inc. 0.12ms from Columbus, US
131.246.33.23 AS199578 Rheinland-Pfaelzische Technische Universitaet Kaiserslautern-Landau 4.84ms from Frankfurt am Main, DE
36.249.185.23 AS4837 CHINA UNICOM China169 Backbone 7.37ms from Fuzhou, CN
136.37.36.199 AS16591 Google Fiber Inc. 0.61ms from Kansas City, US
99.45.8.71 AS7018 AT&T Enterprises, LLC 1.56ms from Los Angeles, US
71.187.31.119 AS701 Verizon Business 1.94ms from New York City, US
114.157.15.7 AS4713 NTT DOCOMO BUSINESS,Inc. 5.09ms from Osaka, JP
210.22.72.39 AS17621 China Unicom Shanghai network 2.39ms from Shanghai, CN
123.192.98.55 AS38841 kbro CO. Ltd. 7.07ms from Taipei, TW
41.35.101.151 AS8452 TE-AS 7.48ms from Cairo, EG
99.6.226.167 AS7018 AT&T Enterprises, LLC 2.05ms from Dallas, US
109.250.215.39 AS8881 1&1 Versatel GmbH 2.63ms from Duesseldorf, DE
113.175.122.183 AS45899 VNPT Corp 2.87ms from Hanoi, VN
176.224.177.231 AS35819 Etihad Etisalat, a joint stock company 4.13ms from Jeddah, SA
176.112.217.23 AS199274 Serveroid, LLC 1.48ms from Moscow, RU
119.245.41.103 AS2514 NTT PC Communications, Inc. 4.67ms from Osaka, JP
114.189.221.119 AS4713 NTT DOCOMO BUSINESS,Inc. 6.61ms from Osaka, JP
131.153.52.7 AS20454 SECURED SERVERS LLC 0.43ms from Phoenix, US
201.153.149.55 AS8151 UNINET 12.06ms from Santiago de Queretaro, MX
195.230.59.119 AS8447 A1 Telekom Austria AG 0.95ms from Vienna, AT
108.48.119.103 AS701 Verizon Business 2.54ms from Ashburn, US
59.110.42.167 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 1.99ms from Beijing, CN

Traceroute

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

$
traceroute -a -n -q1 -f2 203.171.16.109
traceroute to 203.171.16.109 (203.171.16.109): 64 hops max, 52 byte packets
3 *
4 [AS18403] 113.22.1.58 1.768 ms
Measurement taken from IPinfo ProbeNet in Hanoi, VN
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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

IPinfo for all your IP geolocation needs

Our IP tools

Explore all tools
What is my IP

What is my IP

Test our data accuracy by viewing insights from your IP address.

See your IP address
Map IPs

Map IPs

Paste up to 500,000 IPs to see where they're located on a map.

Try Map IPs
Summarize IPs

Summarize IPs

Use our data visualization tool to create a visual overview of multiple IPs.

Try Summarize IPs