Autonomous System

AS18026 JEJU NATIONAL UNIVERSITY

EducationActiveSouth KoreaAPNIC

AS18026 (CHEJU-AS-KR-KR) is an education network operated by JEJU NATIONAL UNIVERSITY in South Korea, registered with APNIC. It has 17 IPv4 prefixes with 20,224 addresses, which makes it the 6,829th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses20,224in 17 prefixes
IPv6 prefixes0none
Size rank#6,829of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationJEJU NATIONAL UNIVERSITY
AS nameCHEJU-AS-KR-KR
Country South Korea (KR)
Network typeEducation
RegistryAPNIC
Abuse contactirt@nic.or.kr
Registered—
Last updated2021-12-01

IPv4 prefixes

17 prefixes · 20,224 addresses
NetworkAddressesFirst – last address
203.253.192.0/198,192203.253.192.0 – 203.253.223.255
113.198.160.0/212,048113.198.160.0 – 113.198.167.255
117.17.96.0/212,048117.17.96.0 – 117.17.103.255
113.198.168.0/221,024113.198.168.0 – 113.198.171.255
210.93.72.0/221,024210.93.72.0 – 210.93.75.255
220.149.40.0/221,024220.149.40.0 – 220.149.43.255
223.194.232.0/221,024223.194.232.0 – 223.194.235.255
117.17.104.0/23512117.17.104.0 – 117.17.105.255
203.237.202.0/23512203.237.202.0 – 203.237.203.255
220.68.2.0/23512220.68.2.0 – 220.68.3.255
220.69.174.0/23512220.69.174.0 – 220.69.175.255
223.194.230.0/23512223.194.230.0 – 223.194.231.255
114.71.62.0/24256114.71.62.0 – 114.71.62.255
114.71.63.0/24256114.71.63.0 – 114.71.63.255
117.17.95.0/24256117.17.95.0 – 117.17.95.255
117.17.116.0/24256117.17.116.0 – 117.17.116.255
192.203.138.0/24256192.203.138.0 – 192.203.138.255

IPv6 prefixes

No IPv6 prefixes.

Query AS18026 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=AS18026&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS18026, with or without a key:

curl "https://api.ipapi.is/?q=203.253.192.1"

Largest networks in South Korea