Autonomous System
AS18305 AS Manager
EducationActiveSouth KoreaAPNIC
AS18305 (POSNET-KR) is an education network operated by AS Manager in South Korea, registered with APNIC. It has 64 IPv4 prefixes with 75,776 addresses, which makes it the 2,798th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses75,776in 64 prefixes
IPv6 prefixes0none
Size rank#2,798of 82,200 active ASNs
Details
OrganizationAS Manager
AS namePOSNET-KR
Websitekaist.ac.kr
Country South Korea (KR)
Network typeEducation
RegistryAPNIC
Abuse contactirt@nic.or.kr
Registered—
Last updated2023-09-05
IPv4 prefixes
64 prefixes · 75,776 addresses| Network | Addresses | First – last address |
|---|---|---|
| 203.245.128.0/17 | 32,768 | 203.245.128.0 – 203.245.255.255 |
| 203.241.0.0/19 | 8,192 | 203.241.0.0 – 203.241.31.255 |
| 203.244.32.0/19 | 8,192 | 203.244.32.0 – 203.244.63.255 |
| 203.244.64.0/19 | 8,192 | 203.244.64.0 – 203.244.95.255 |
| 203.238.192.0/21 | 2,048 | 203.238.192.0 – 203.238.199.255 |
| 203.238.200.0/22 | 1,024 | 203.238.200.0 – 203.238.203.255 |
| 203.238.220.0/22 | 1,024 | 203.238.220.0 – 203.238.223.255 |
| 1.209.29.0/24 | 256 | 1.209.29.0 – 1.209.29.255 |
| 1.209.181.0/24 | 256 | 1.209.181.0 – 1.209.181.255 |
| 1.209.182.0/24 | 256 | 1.209.182.0 – 1.209.182.255 |
| 1.209.183.0/24 | 256 | 1.209.183.0 – 1.209.183.255 |
| 1.209.185.0/24 | 256 | 1.209.185.0 – 1.209.185.255 |
| 39.121.111.0/24 | 256 | 39.121.111.0 – 39.121.111.255 |
| 116.123.216.0/24 | 256 | 116.123.216.0 – 116.123.216.255 |
| 116.124.169.0/24 | 256 | 116.124.169.0 – 116.124.169.255 |
| 116.127.24.0/24 | 256 | 116.127.24.0 – 116.127.24.255 |
| 118.129.142.0/24 | 256 | 118.129.142.0 – 118.129.142.255 |
| 118.129.143.0/24 | 256 | 118.129.143.0 – 118.129.143.255 |
| 119.202.117.0/24 | 256 | 119.202.117.0 – 119.202.117.255 |
| 175.202.208.0/24 | 256 | 175.202.208.0 – 175.202.208.255 |
| 175.202.211.0/24 | 256 | 175.202.211.0 – 175.202.211.255 |
| 175.202.212.0/24 | 256 | 175.202.212.0 – 175.202.212.255 |
| 175.202.213.0/24 | 256 | 175.202.213.0 – 175.202.213.255 |
| 203.231.144.0/24 | 256 | 203.231.144.0 – 203.231.144.255 |
| 203.231.145.0/24 | 256 | 203.231.145.0 – 203.231.145.255 |
203.245.128.0/17 203.241.0.0/19 203.244.32.0/19 203.244.64.0/19 203.238.192.0/21 203.238.200.0/22 203.238.220.0/22 1.209.29.0/24 1.209.181.0/24 1.209.182.0/24 1.209.183.0/24 1.209.185.0/24 39.121.111.0/24 116.123.216.0/24 116.124.169.0/24 116.127.24.0/24 118.129.142.0/24 118.129.143.0/24 119.202.117.0/24 175.202.208.0/24 175.202.211.0/24 175.202.212.0/24 175.202.213.0/24 203.231.144.0/24 203.231.145.0/24
The 25 largest of 64. The API and the database have all of them.
IPv6 prefixes
No IPv6 prefixes.
Query AS18305 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=AS18305&key=YOUR_API_KEY"Any address in its prefixes resolves to AS18305, with or without a key:
curl "https://api.ipapi.is/?q=203.245.128.1"