183.91.12.0/24

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:        183.91.0.0 - 183.91.31.255
netname:        CMCTELECOM-VN
descr:          CMC Telecom Infrastructure Company
descr:          CMC Tower, Duy Tan, Cau Giay, Hanoi, Vietnam
country:        VN
admin-c:        HVA2-AP
tech-c:         NVH31-AP
status:         ALLOCATED PORTABLE
remarks:        send spam and abuse report to inoc@cmctelecom.vn
mnt-by:         MAINT-VN-VNNIC
mnt-lower:      MAINT-VN-VNNIC
mnt-routes:     MAINT-VN-VNNIC
mnt-irt:        IRT-VNNIC-AP
last-modified:  2023-08-31T05:00:45Z
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:  2025-09-04T05:18:22Z
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:          183.91.0.0/19
descr:          CMCTELECOM-VN
origin:         AS45903
mnt-by:         MAINT-VN-VNNIC
last-modified:  2022-09-19T02:31:42Z
source:         APNIC

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

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

IP Address	ASN	Details
183.91.12.189	AS45903 CMC Telecom Infrastructure Company	`0.52ms` from Hong Kong, HK

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
40.71.61.88	AS8075 Microsoft Corporation	`0.44ms` from Ashburn, US
103.239.82.56	AS151620 AVEVA RESOURCE	`2.40ms` from Dhaka, BD
80.145.224.56	AS3320 Deutsche Telekom AG	`4.34ms` from Frankfurt am Main, DE
91.152.114.88	AS719 Elisa Oyj	`4.18ms` from Helsinki, FI
34.101.89.136	AS396982 Google LLC	`0.09ms` from Jakarta, ID
197.100.125.248	AS3741 Dimension Data	`0.72ms` from Johannesburg, ZA
91.140.217.152	AS3225 GULFNET COMMUNICATIONS CO. WLL	`1.43ms` from Kuwait City, KW
65.94.226.120	AS577 Bell Canada	`3.77ms` from Montreal, CA
86.246.253.200	AS3215 Orange S.A.	`1.68ms` from Paris, FR
52.27.127.184	AS16509 Amazon.com, Inc.	`4.51ms` from Portland, US
115.1.86.8	AS4766 Korea Telecom	`2.02ms` from Seoul, KR
13.61.179.72	AS16509 Amazon.com, Inc.	`0.13ms` from Stockholm, SE
59.88.56.152	AS9829 National Internet Backbone	`13.71ms` from Bengaluru, IN
93.231.146.120	AS3320 Deutsche Telekom AG	`3.26ms` from Duesseldorf, DE
187.204.229.40	AS8151 UNINET	`1.00ms` from Guadalajara, MX
5.104.99.232	AS50624 Outscale SASU	`1.11ms` from Paris, FR
98.143.33.136	AS11425 CWIE, LLC	`0.14ms` from Phoenix, US
40.134.183.88	AS7029 Windstream Communications LLC	`0.38ms` from San Jose, US
20.53.154.248	AS8075 Microsoft Corporation	`0.70ms` from Sydney, AU
113.39.140.248	AS17506 ARTERIA Networks Corporation	`2.35ms` from Tokyo, JP
98.54.44.24	AS7922 Comcast Cable Communications, LLC	`9.81ms` from Atlanta, US
47.108.196.184	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`1.33ms` from Chengdu, CN
68.97.77.8	AS22773 Cox Communications Inc.	`8.93ms` from Dallas, US
14.229.33.184	AS45899 VNPT Corp	`2.05ms` from Hanoi, VN
113.162.176.104	AS45899 VNPT Corp	`1.53ms` from Ho Chi Minh City, VN

Traceroute

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

traceroute -a -n -q1 183.91.12.201

traceroute to 183.91.12.201 (183.91.12.201): 64 hops max, 52 byte packets

1 [AS15169] 108.170.235.191 1.521 ms

2 *

3 [AS45903] 183.91.12.201 1.452 ms

Measurement taken from

IPinfo ProbeNet in Hong Kong, HK

On September 4th 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.

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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