Autonomous System
AS1781 KAIST DAEJEON AS KR
EducationActiveSouth KoreaAPNIC
AS1781 (KAIST-DAEJEON-AS-KR-KR) is an education network operated by KAIST DAEJEON AS KR in South Korea, registered with APNIC. It has 8 IPv4 prefixes with 155,648 addresses, which makes it the 1,545th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses155,648in 8 prefixes
IPv6 prefixes0none
Size rank#1,545of 82,200 active ASNs
Details
OrganizationKAIST DAEJEON AS KR
AS nameKAIST-DAEJEON-AS-KR-KR
Websitekaist.ac.kr
Country South Korea (KR)
Network typeEducation
RegistryAPNIC
Abuse contactirt@nic.or.kr
Registered—
Last updated2023-08-23
IPv4 prefixes
8 prefixes · 155,648 addresses| Network | Addresses | First – last address |
|---|---|---|
| 143.248.0.0/16 | 65,536 | 143.248.0.0 – 143.248.255.255 |
| 137.68.0.0/18 | 16,384 | 137.68.0.0 – 137.68.63.255 |
| 143.248.0.0/18 | 16,384 | 143.248.0.0 – 143.248.63.255 |
| 143.248.64.0/18 | 16,384 | 143.248.64.0 – 143.248.127.255 |
| 143.248.128.0/18 | 16,384 | 143.248.128.0 – 143.248.191.255 |
| 143.248.192.0/18 | 16,384 | 143.248.192.0 – 143.248.255.255 |
| 192.249.16.0/20 | 4,096 | 192.249.16.0 – 192.249.31.255 |
| 210.107.128.0/20 | 4,096 | 210.107.128.0 – 210.107.143.255 |
143.248.0.0/16 137.68.0.0/18 143.248.0.0/18 143.248.64.0/18 143.248.128.0/18 143.248.192.0/18 192.249.16.0/20 210.107.128.0/20
IPv6 prefixes
No IPv6 prefixes.
Query AS1781 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=AS1781&key=YOUR_API_KEY"Any address in its prefixes resolves to AS1781, with or without a key:
curl "https://api.ipapi.is/?q=143.248.0.1"