Autonomous System
AS45753 Netsec Limited
HostingActiveHong Kong SAR ChinaAPNIC
AS45753 (NETSEC-HK) is a hosting network operated by Netsec Limited in Hong Kong SAR China, registered with APNIC. It has 459 IPv4 prefixes with 202,496 addresses, which makes it the 1,275th largest of 82,558 active autonomous systems by IPv4 space.
IPv4 addresses202,496in 459 prefixes
IPv6 prefixes0none
Size rank#1,275of 82,558 active ASNs
Details
OrganizationNetsec Limited · hosting provider profile
AS nameNETSEC-HK
Websitenetsec.com
Country Hong Kong SAR China (HK)
Network typeHosting
RegistryAPNIC
Abuse contactabuse@netsec.com
Registered—
Last updated2021-08-10
IPv4 prefixes
459 prefixes · 202,496 addresses| Network | Addresses | First – last address |
|---|---|---|
| 148.66.0.0/19 | 8,192 | 148.66.0.0 – 148.66.31.255 |
| 182.16.0.0/19 | 8,192 | 182.16.0.0 – 182.16.31.255 |
| 216.118.224.0/19 | 8,192 | 216.118.224.0 – 216.118.255.255 |
| 110.173.48.0/20 | 4,096 | 110.173.48.0 – 110.173.63.255 |
| 112.121.160.0/20 | 4,096 | 112.121.160.0 – 112.121.175.255 |
| 148.66.48.0/20 | 4,096 | 148.66.48.0 – 148.66.63.255 |
| 180.178.32.0/20 | 4,096 | 180.178.32.0 – 180.178.47.255 |
| 182.16.32.0/20 | 4,096 | 182.16.32.0 – 182.16.47.255 |
| 182.16.80.0/20 | 4,096 | 182.16.80.0 – 182.16.95.255 |
| 182.16.112.0/20 | 4,096 | 182.16.112.0 – 182.16.127.255 |
| 52.128.224.0/21 | 2,048 | 52.128.224.0 – 52.128.231.255 |
| 52.128.248.0/21 | 2,048 | 52.128.248.0 – 52.128.255.255 |
| 69.72.80.0/21 | 2,048 | 69.72.80.0 – 69.72.87.255 |
| 111.68.0.0/21 | 2,048 | 111.68.0.0 – 111.68.7.255 |
| 112.121.176.0/21 | 2,048 | 112.121.176.0 – 112.121.183.255 |
| 119.42.144.0/21 | 2,048 | 119.42.144.0 – 119.42.151.255 |
| 182.16.48.0/21 | 2,048 | 182.16.48.0 – 182.16.55.255 |
| 182.16.72.0/21 | 2,048 | 182.16.72.0 – 182.16.79.255 |
| 182.16.96.0/21 | 2,048 | 182.16.96.0 – 182.16.103.255 |
| 52.128.232.0/22 | 1,024 | 52.128.232.0 – 52.128.235.255 |
| 103.44.160.0/22 | 1,024 | 103.44.160.0 – 103.44.163.255 |
| 103.84.84.0/22 | 1,024 | 103.84.84.0 – 103.84.87.255 |
| 103.91.8.0/22 | 1,024 | 103.91.8.0 – 103.91.11.255 |
| 103.117.144.0/22 | 1,024 | 103.117.144.0 – 103.117.147.255 |
| 103.194.184.0/22 | 1,024 | 103.194.184.0 – 103.194.187.255 |
148.66.0.0/19 182.16.0.0/19 216.118.224.0/19 110.173.48.0/20 112.121.160.0/20 148.66.48.0/20 180.178.32.0/20 182.16.32.0/20 182.16.80.0/20 182.16.112.0/20 52.128.224.0/21 52.128.248.0/21 69.72.80.0/21 111.68.0.0/21 112.121.176.0/21 119.42.144.0/21 182.16.48.0/21 182.16.72.0/21 182.16.96.0/21 52.128.232.0/22 103.44.160.0/22 103.84.84.0/22 103.91.8.0/22 103.117.144.0/22 103.194.184.0/22
The 25 largest of 459. The API and the database have all of them.
IPv6 prefixes
No IPv6 prefixes.
Query AS45753 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=AS45753&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS45753, with or without a key:
curl "https://api.ipapi.is/?q=148.66.0.1"
Largest networks in Hong Kong SAR China
AS9304 HGC Global Communications Limited4,597,248 IPv4 addressesAS4760 PCCW IMS Limited4,041,728 IPv4 addressesAS9269 Hong Kong Broadband Network Limited3,934,720 IPv4 addressesAS3491 PCCW Global (HK) Limited1,602,048 IPv4 addressesAS4637 Telstra International Limited1,413,888 IPv4 addressesAS136907 HUAWEI INTERNATIONAL PTE. LTD.1,161,728 IPv4 addresses