Autonomous System
AS3784 Pohang University of Science and Technology
EducationActiveSouth KoreaAPNIC
AS3784 (POSTECH-AS-KR-KR) is an education network operated by Pohang University of Science and Technology in South Korea, registered with APNIC. It has 5 IPv4 prefixes with 65,792 addresses, which makes it the 3,439th largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses65,792in 5 prefixes
IPv6 prefixes0none
Size rank#3,439of 82,141 active ASNs
Details
OrganizationPohang University of Science and Technology
AS namePOSTECH-AS-KR-KR
Websitepostech.ac.kr
Country South Korea (KR)
Network typeEducation
RegistryAPNIC
Abuse contactirt@nic.or.kr
Registered—
Last updated2018-11-19
IPv4 prefixes
5 prefixes · 65,792 addresses| Network | Addresses | First – last address |
|---|---|---|
| 141.223.0.0/18 | 16,384 | 141.223.0.0 – 141.223.63.255 |
| 141.223.64.0/18 | 16,384 | 141.223.64.0 – 141.223.127.255 |
| 141.223.128.0/18 | 16,384 | 141.223.128.0 – 141.223.191.255 |
| 141.223.192.0/18 | 16,384 | 141.223.192.0 – 141.223.255.255 |
| 118.129.63.0/24 | 256 | 118.129.63.0 – 118.129.63.255 |
141.223.0.0/18 141.223.64.0/18 141.223.128.0/18 141.223.192.0/18 118.129.63.0/24
IPv6 prefixes
No IPv6 prefixes.
Query AS3784 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=AS3784&key=YOUR_API_KEY"Any address in its prefixes resolves to AS3784, with or without a key:
curl "https://api.ipapi.is/?q=141.223.0.1"