Autonomous System
AS18158 CHUNGBUK NATIONAL UNIVERSITY
EducationActiveSouth KoreaAPNIC
AS18158 (CBNU-AS-KR-KR) is an education network operated by CHUNGBUK NATIONAL UNIVERSITY in South Korea, registered with APNIC. It has 9 IPv4 prefixes with 29,696 addresses, which makes it the 5,549th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses29,696in 9 prefixes
IPv6 prefixes0none
Size rank#5,549of 82,200 active ASNs
Details
OrganizationCHUNGBUK NATIONAL UNIVERSITY
AS nameCBNU-AS-KR-KR
Websitechungbuk.ac.kr
Country South Korea (KR)
Network typeEducation
RegistryAPNIC
Abuse contactirt@nic.or.kr
Registered—
Last updated2023-11-03
IPv4 prefixes
9 prefixes · 29,696 addresses| Network | Addresses | First – last address |
|---|---|---|
| 203.255.64.0/19 | 8,192 | 203.255.64.0 – 203.255.95.255 |
| 210.115.160.0/19 | 8,192 | 210.115.160.0 – 210.115.191.255 |
| 114.71.112.0/20 | 4,096 | 114.71.112.0 – 114.71.127.255 |
| 210.125.144.0/20 | 4,096 | 210.125.144.0 – 210.125.159.255 |
| 113.198.136.0/21 | 2,048 | 113.198.136.0 – 113.198.143.255 |
| 113.198.144.0/22 | 1,024 | 113.198.144.0 – 113.198.147.255 |
| 113.198.176.0/22 | 1,024 | 113.198.176.0 – 113.198.179.255 |
| 113.198.134.0/23 | 512 | 113.198.134.0 – 113.198.135.255 |
| 113.198.148.0/23 | 512 | 113.198.148.0 – 113.198.149.255 |
203.255.64.0/19 210.115.160.0/19 114.71.112.0/20 210.125.144.0/20 113.198.136.0/21 113.198.144.0/22 113.198.176.0/22 113.198.134.0/23 113.198.148.0/23
IPv6 prefixes
No IPv6 prefixes.
Query AS18158 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=AS18158&key=YOUR_API_KEY"Any address in its prefixes resolves to AS18158, with or without a key:
curl "https://api.ipapi.is/?q=203.255.64.1"