Autonomous System
AS9769 Sejong University
EducationActiveSouth KoreaAPNIC
AS9769 (SEJONG-AS-KR) is an education network operated by Sejong University in South Korea, registered with APNIC. It has 15 IPv4 prefixes with 29,696 addresses, which makes it the 5,542nd largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses29,696in 15 prefixes
IPv6 prefixes0none
Size rank#5,542of 82,141 active ASNs
Details
OrganizationSejong University
AS nameSEJONG-AS-KR
Websitesejong.ac.kr
Country South Korea (KR)
Network typeEducation
RegistryAPNIC
Abuse contactirt@nic.or.kr
Registered—
Last updated2026-03-20
IPv4 prefixes
15 prefixes · 29,696 addresses| Network | Addresses | First – last address |
|---|---|---|
| 223.195.0.0/18 | 16,384 | 223.195.0.0 – 223.195.63.255 |
| 223.195.64.0/20 | 4,096 | 223.195.64.0 – 223.195.79.255 |
| 210.107.216.0/21 | 2,048 | 210.107.216.0 – 210.107.223.255 |
| 210.107.232.0/21 | 2,048 | 210.107.232.0 – 210.107.239.255 |
| 210.107.212.0/22 | 1,024 | 210.107.212.0 – 210.107.215.255 |
| 210.107.228.0/22 | 1,024 | 210.107.228.0 – 210.107.231.255 |
| 203.250.148.0/23 | 512 | 203.250.148.0 – 203.250.149.255 |
| 210.107.224.0/23 | 512 | 210.107.224.0 – 210.107.225.255 |
| 210.107.226.0/23 | 512 | 210.107.226.0 – 210.107.227.255 |
| 203.250.148.0/24 | 256 | 203.250.148.0 – 203.250.148.255 |
| 203.250.149.0/24 | 256 | 203.250.149.0 – 203.250.149.255 |
| 210.107.238.0/24 | 256 | 210.107.238.0 – 210.107.238.255 |
| 223.195.32.0/24 | 256 | 223.195.32.0 – 223.195.32.255 |
| 223.195.40.0/24 | 256 | 223.195.40.0 – 223.195.40.255 |
| 223.195.50.0/24 | 256 | 223.195.50.0 – 223.195.50.255 |
223.195.0.0/18 223.195.64.0/20 210.107.216.0/21 210.107.232.0/21 210.107.212.0/22 210.107.228.0/22 203.250.148.0/23 210.107.224.0/23 210.107.226.0/23 203.250.148.0/24 203.250.149.0/24 210.107.238.0/24 223.195.32.0/24 223.195.40.0/24 223.195.50.0/24
IPv6 prefixes
No IPv6 prefixes.
Query AS9769 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=AS9769&key=YOUR_API_KEY"Any address in its prefixes resolves to AS9769, with or without a key:
curl "https://api.ipapi.is/?q=223.195.0.1"