Autonomous System

AS24085 Quang Trung Software City Development Company

HostingActiveVietnamAPNIC

AS24085 (QTSC-AS-VN) is a hosting network operated by Quang Trung Software City Development Company in Vietnam, registered with APNIC. It has 104 IPv4 prefixes with 58,112 addresses and 5 IPv6 prefixes, which makes it the 4,068th largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses58,112in 104 prefixes
IPv6 prefixes5≈ 8.0 × 10²⁸ addresses
Size rank#4,068of 82,558 active ASNs
Abuser scoreVery Low0.04% of its addresses flagged · method

Details

OrganizationQuang Trung Software City Development Company
AS nameQTSC-AS-VN
Websiteqtsc.com.vn
Country Vietnam (VN)
Network typeHosting
RegistryAPNIC
Abuse contacthm-changed@vnnic.vn
Registered—
Last updated2025-12-16

IPv4 prefixes

104 prefixes · 58,112 addresses
NetworkAddressesFirst – last address
210.2.64.0/1816,384210.2.64.0 – 210.2.127.255
120.72.96.0/198,192120.72.96.0 – 120.72.127.255
116.193.64.0/204,096116.193.64.0 – 116.193.79.255
120.72.80.0/212,048120.72.80.0 – 120.72.87.255
202.78.224.0/212,048202.78.224.0 – 202.78.231.255
103.45.229.0/24256103.45.229.0 – 103.45.229.255
103.45.230.0/24256103.45.230.0 – 103.45.230.255
116.193.64.0/24256116.193.64.0 – 116.193.64.255
116.193.65.0/24256116.193.65.0 – 116.193.65.255
116.193.66.0/24256116.193.66.0 – 116.193.66.255
116.193.67.0/24256116.193.67.0 – 116.193.67.255
116.193.68.0/24256116.193.68.0 – 116.193.68.255
116.193.69.0/24256116.193.69.0 – 116.193.69.255
116.193.70.0/24256116.193.70.0 – 116.193.70.255
116.193.71.0/24256116.193.71.0 – 116.193.71.255
116.193.72.0/24256116.193.72.0 – 116.193.72.255
116.193.73.0/24256116.193.73.0 – 116.193.73.255
116.193.74.0/24256116.193.74.0 – 116.193.74.255
116.193.75.0/24256116.193.75.0 – 116.193.75.255
116.193.76.0/24256116.193.76.0 – 116.193.76.255
116.193.77.0/24256116.193.77.0 – 116.193.77.255
116.193.78.0/24256116.193.78.0 – 116.193.78.255
116.193.79.0/24256116.193.79.0 – 116.193.79.255
120.72.80.0/24256120.72.80.0 – 120.72.80.255
120.72.81.0/24256120.72.81.0 – 120.72.81.255
The 25 largest of 104. The API and the database have all of them.

IPv6 prefixes

5 prefixes
  • 2403:6000::/32
  • 2403:6000::/40
  • 2403:6000:100::/40
  • 2403:6000:800::/40
  • 2403:6000:7000::/40

Query AS24085 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS24085&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS24085, with or without a key:

curl "https://api.ipapi.is/?q=210.2.64.1"

Largest networks in Vietnam

AS7552 Viettel Group19,297,536 IPv4 addressesAS45899 VNPT Corp15,607,296 IPv4 addressesAS18403 FPT Telecom Company6,192,640 IPv4 addressesAS24086 Viettel Corporation482,560 IPv4 addressesAS45543 SaiGon Tourist cable Televition Company399,360 IPv4 addressesAS135905 VIETNAM POSTS AND TELECOMMUNICATIONS GROUP190,720 IPv4 addresses