203.205.48.0/24

AS45903 · CMC Telecom Infrastructure Company

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Summary

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

WHOIS Details

inetnum:        203.205.0.0 - 203.205.63.255
netname:        CMCTELECOM-VN
descr:          CMC Telecom Infrastructure Company
descr:          CMC Tower,Cluster Handicraft Production andSmall Industry, Cau Giay, Hanoi, Vietnam
country:        VN
admin-c:        HVA2-AP
tech-c:         NVH31-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-VN-VNNIC
mnt-irt:        IRT-VNNIC-AP
last-modified:  2023-08-31T05:01:55Z
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:          203.205.0.0/18
descr:          CMCTELECOM-VN
origin:         AS45903
mnt-by:         MAINT-VN-VNNIC
last-modified:  2022-09-19T02:33:28Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.205.0.0/16

Range	ASN	Company	Num of IPs
203.205.64.0/19	AS58519	CHINANET Guangdong province network	8,192
203.205.96.0/20	AS18092	Kyushu Tele Communications Company	4,096
203.205.112.0/20	AS2914	NTT Ltd Japan Corporation	4,096

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
203.205.48.22	AS45903 CMC Telecom Infrastructure Company	`10.17ms` 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
167.88.116.104	AS3842 InMotion Hosting, Inc.	`0.27ms` from Atlanta, US
175.22.107.56	AS4837 CHINA UNICOM China169 Backbone	`3.15ms` from Changchun, CN
91.3.73.88	AS3320 Deutsche Telekom AG	`7.35ms` from Frankfurt am Main, DE
20.91.210.184	AS8075 Microsoft Corporation	`0.19ms` from Gaevle, SE
178.151.201.200	AS13188 CONTENT DELIVERY NETWORK LTD	`8.02ms` from Kyiv, UA
46.175.161.88	AS56404 Little Enterprise Independent Television Company "Norma-4" LTD	`9.97ms` from Kyiv, UA
154.31.192.8	AS8796 FASTNET DATA INC	`0.31ms` from Los Angeles, US
194.140.183.248	AS6739 VODAFONE ONO, S.A.	`12.16ms` from Madrid, ES
216.134.201.104	AS13649 Flexential Colorado Corp.	`6.44ms` from Miami, US
82.60.110.8	AS3269 Telecom Italia S.p.A.	`6.86ms` from Milan, IT
183.77.98.152	AS4685 Asahi Net	`4.68ms` from Osaka, JP
201.61.93.120	AS27699 TELEFÔNICA BRASIL S.A	`1.05ms` from Osasco, BR
59.6.12.8	AS4766 Korea Telecom	`1.43ms` from Seoul, KR
147.192.110.216	AS2527 Sony Network Communications Inc.	`1.99ms` from Tokyo, JP
173.35.155.232	AS812 Rogers Communications Canada Inc.	`2.19ms` from Toronto, CA
75.177.238.40	AS11426 Charter Communications Inc	`15.21ms` from Atlanta, US
155.7.214.24	AS273 United States Department of Defense (DoD)	`14.61ms` from Atlanta, US
73.114.55.88	AS7922 Comcast Cable Communications, LLC	`9.22ms` from Boston, US
189.91.173.152	AS271300 LOGIN PROVEDOR DE INTERNET LTDA	`1.92ms` from Brasília, BR
88.132.219.216	AS47159 Celldomolki Kabeltelevizio Kft.	`10.54ms` from Budapest, HU
190.1.60.104	AS27833 BVNET S.A.	`7.73ms` from Buenos Aires, AR
113.110.69.8	AS4134 CHINANET-BACKBONE	`10.01ms` from Guangzhou, CN
46.136.223.120	AS12430 VODAFONE ESPANA S.A.U.	`3.01ms` from Madrid, ES
81.56.224.184	AS29447 SCALEWAY S.A.S.	`9.74ms` from Milan, IT
222.45.199.24	AS56046 China Mobile communications corporation	`3.67ms` from Suzhou, CN

Traceroute

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

traceroute -a -n -q1 -f5 203.205.48.21

traceroute to 203.205.48.21 (203.205.48.21): 64 hops max, 52 byte packets

5 [AS21859] 162.128.190.32 0.406 ms

6 [AS21859] 98.98.39.122 0.295 ms

7 [AS45903] 113.20.118.141 0.954 ms

8 [AS45903] 203.205.48.21 10.242 ms

Measurement taken from

IPinfo ProbeNet in Hanoi, VN

On December 28th 2025

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.

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