171.251.0.0/21

AS7552  ·  Viettel Group

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Summary

Country Vietnam
Domain viettel.com.vn
ASN AS7552
Parent Range 171.224.0.0/11
Registry APNIC
ID VIETTEL-VN

WHOIS Details

inetnum:        171.224.0.0 - 171.255.255.255
netname:        VIETTEL-VN
descr:          Viettel Group
descr:          No 1, Tran Huu Duc street, My Dinh 2 ward, Nam Tu Liem district, Ha Noi City
country:        VN
admin-c:        TVT8-AP
tech-c:         NDT9-AP
status:         ALLOCATED PORTABLE
mnt-irt:        IRT-VNNIC-AP
mnt-by:         MAINT-VN-VNNIC
last-modified:  2017-11-11T09:43:21Z
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:         Nguyen Dang Tiep
address:        Viettel Network Corporation
address:        No 1, Tran Huu Duc street, My Dinh 2 ward, Nam Tu Liem district, Ha Noi City
country:        VN
phone:          +84-24-62989898
e-mail:         [email protected]
nic-hdl:        NDT9-AP
mnt-by:         MAINT-VN-VIETEL
last-modified:  2017-11-11T09:40:35Z
source:         APNIC

person:         Tran Van Thanh
address:        Viettel Network Corporation
address:        No 1, Tran Huu Duc street, My Dinh 2 ward, Nam Tu Liem district, Ha Noi City
country:        VN
phone:          +84-24-62989898
e-mail:         [email protected]
nic-hdl:        TVT8-AP
mnt-by:         MAINT-VN-VIETEL
last-modified:  2018-08-21T09:57:13Z
source:         APNIC

route:          171.224.0.0/11
descr:          VIETTEL-VN
origin:         AS24086
mnt-by:         MAINT-VN-VNNIC
last-modified:  2025-08-14T17:12:04Z
source:         APNIC

route:          171.224.0.0/11
descr:          VIETTEL-VN
origin:         AS38731
mnt-by:         MAINT-VN-VNNIC
last-modified:  2025-08-14T17:12:09Z
source:         APNIC

route:          171.224.0.0/11
descr:          VIETTEL-VN
origin:         AS7552
mnt-by:         MAINT-VN-VNNIC
last-modified:  2025-08-14T17:11:59Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 171.251.0.0/21

Range ASN Company Num of IPs
171.224.0.0/11 AS24086 Viettel Group 2,097,152
171.224.0.0/11 AS38731 Viettel Group 2,097,152
171.224.0.0/11 AS7552 Viettel Group 2,097,152

Nearby Ranges

BGP prefixes that overlap with 171.251.0.0/16

Range ASN Company Num of IPs
171.224.0.0/11 AS24086 Viettel Group 2,097,152
171.224.0.0/11 AS38731 Viettel Group 2,097,152
171.224.0.0/11 AS7552 Viettel Group 2,097,152

Hosted domains

There are no domains currently hosted on this ASN.

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

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

IP Address ASN Details
171.251.1.219 AS7552 Viettel Group 9.46ms from Ho Chi Minh City, VN
171.251.7.249 AS7552 Viettel Group 9.94ms from Ho Chi Minh City, VN
171.251.5.47 AS7552 Viettel Group 9.97ms from Ho Chi Minh City, VN
171.251.6.96 AS7552 Viettel Group 10.10ms from Ho Chi Minh City, VN
171.251.0.148 AS7552 Viettel Group 9.57ms from Ho Chi Minh City, VN
171.251.3.201 AS7552 Viettel Group 9.96ms from Hanoi, VN
171.251.4.96 AS7552 Viettel Group 9.43ms from Ho Chi Minh City, VN
171.251.2.235 AS7552 Viettel Group 9.81ms 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
178.88.7.85 AS9198 JSC Kazakhtelecom 2.25ms from Almaty, KZ
181.120.246.101 AS23201 Telecel S.A. 10.05ms from Asuncion, PY
52.32.238.181 AS16509 Amazon.com, Inc. 0.17ms from Boardman, US
140.189.144.85 AS2381 WiscNet 4.96ms from Chicago, US
130.44.241.133 AS14374 Agri-Valley Services Corporation 16.73ms from Detroit, US
18.66.110.69 AS16509 Amazon.com, Inc. 0.30ms from Frankfurt am Main, DE
62.55.201.165 AS6805 Telefonica Germany GmbH & Co.OHG 7.46ms from Frankfurt am Main, DE
24.167.61.181 AS11427 Charter Communications Inc 14.36ms from Houston, US
218.61.88.181 AS4837 CHINA UNICOM China169 Backbone 8.26ms from Liaoyang, CN
86.172.198.37 AS2856 British Telecommunications PLC 1.72ms from London, GB
97.202.176.213 AS6167 Verizon Business 16.42ms from Los Angeles, US
185.180.8.5 AS52438 PLANISYS S.A. 0.23ms from Miami, US
151.16.255.21 AS1267 WIND TRE S.P.A. 5.00ms from Milan, IT
94.90.27.37 AS3269 Telecom Italia S.p.A. 1.04ms from Milan, IT
192.70.197.69 AS48399 Svyaz VSD LLC 0.82ms from Moscow, RU
187.11.129.181 AS27699 TELEFÔNICA BRASIL S.A 1.80ms from Osasco, BR
200.75.215.53 AS18809 Cable Onda 0.75ms from Panama, PA
44.218.231.5 AS14618 Amazon.com, Inc. 0.19ms from Reston, US
125.189.176.133 AS17858 LG POWERCOMM 2.97ms from Seoul, KR
41.96.219.117 AS36947 Telecom Algeria 9.91ms from Valencia, ES
83.14.66.165 AS5617 Orange Polska Spolka Akcyjna 7.14ms from Wrocław, PL
125.45.243.165 AS4837 CHINA UNICOM China169 Backbone 5.88ms from Zhengzhou, CN
4.71.162.101 AS3356 Level 3 Parent, LLC 0.37ms from Atlanta, US
203.80.61.149 AS45280 New Zealand Technology Group Limited 1.29ms from Auckland, NZ
63.65.230.165 AS701 Verizon Business 6.23ms from Boston, US

Traceroute

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

$
traceroute -a -n -q1 171.251.6.73
traceroute to 171.251.6.73 (171.251.6.73): 64 hops max, 52 byte packets
2 *
3 *
4 *
5 [AS7552] 171.251.6.73 129.636 ms
Measurement taken from IPinfo ProbeNet in Melbourne, AU
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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