Autonomous System
AS55618 UNIVERSITY OF ULSAN
EducationActiveSouth KoreaAPNIC
AS55618 (UOU-AS-KR-KR) is an education network operated by UNIVERSITY OF ULSAN in South Korea, registered with APNIC. It has 66 IPv4 prefixes with 16,896 addresses, which makes it the 7,598th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses16,896in 66 prefixes
IPv6 prefixes0none
Size rank#7,598of 82,200 active ASNs
Details
OrganizationUNIVERSITY OF ULSAN
AS nameUOU-AS-KR-KR
Websiteulsan.ac.kr
Country South Korea (KR)
Network typeEducation
RegistryAPNIC
Abuse contactirt@nic.or.kr
Registered—
Last updated2022-09-16
IPv4 prefixes
66 prefixes · 16,896 addresses| Network | Addresses | First – last address |
|---|---|---|
| 203.250.64.0/24 | 256 | 203.250.64.0 – 203.250.64.255 |
| 203.250.65.0/24 | 256 | 203.250.65.0 – 203.250.65.255 |
| 203.250.66.0/24 | 256 | 203.250.66.0 – 203.250.66.255 |
| 203.250.67.0/24 | 256 | 203.250.67.0 – 203.250.67.255 |
| 203.250.68.0/24 | 256 | 203.250.68.0 – 203.250.68.255 |
| 203.250.69.0/24 | 256 | 203.250.69.0 – 203.250.69.255 |
| 203.250.70.0/24 | 256 | 203.250.70.0 – 203.250.70.255 |
| 203.250.71.0/24 | 256 | 203.250.71.0 – 203.250.71.255 |
| 203.250.72.0/24 | 256 | 203.250.72.0 – 203.250.72.255 |
| 203.250.73.0/24 | 256 | 203.250.73.0 – 203.250.73.255 |
| 203.250.74.0/24 | 256 | 203.250.74.0 – 203.250.74.255 |
| 203.250.75.0/24 | 256 | 203.250.75.0 – 203.250.75.255 |
| 203.250.76.0/24 | 256 | 203.250.76.0 – 203.250.76.255 |
| 203.250.77.0/24 | 256 | 203.250.77.0 – 203.250.77.255 |
| 203.250.78.0/24 | 256 | 203.250.78.0 – 203.250.78.255 |
| 203.250.79.0/24 | 256 | 203.250.79.0 – 203.250.79.255 |
| 203.250.80.0/24 | 256 | 203.250.80.0 – 203.250.80.255 |
| 203.250.81.0/24 | 256 | 203.250.81.0 – 203.250.81.255 |
| 203.250.82.0/24 | 256 | 203.250.82.0 – 203.250.82.255 |
| 203.250.83.0/24 | 256 | 203.250.83.0 – 203.250.83.255 |
| 203.250.84.0/24 | 256 | 203.250.84.0 – 203.250.84.255 |
| 203.250.85.0/24 | 256 | 203.250.85.0 – 203.250.85.255 |
| 203.250.86.0/24 | 256 | 203.250.86.0 – 203.250.86.255 |
| 203.250.87.0/24 | 256 | 203.250.87.0 – 203.250.87.255 |
| 203.250.88.0/24 | 256 | 203.250.88.0 – 203.250.88.255 |
203.250.64.0/24 203.250.65.0/24 203.250.66.0/24 203.250.67.0/24 203.250.68.0/24 203.250.69.0/24 203.250.70.0/24 203.250.71.0/24 203.250.72.0/24 203.250.73.0/24 203.250.74.0/24 203.250.75.0/24 203.250.76.0/24 203.250.77.0/24 203.250.78.0/24 203.250.79.0/24 203.250.80.0/24 203.250.81.0/24 203.250.82.0/24 203.250.83.0/24 203.250.84.0/24 203.250.85.0/24 203.250.86.0/24 203.250.87.0/24 203.250.88.0/24
The 25 largest of 66. The API and the database have all of them.
IPv6 prefixes
No IPv6 prefixes.
Query AS55618 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=AS55618&key=YOUR_API_KEY"Any address in its prefixes resolves to AS55618, with or without a key:
curl "https://api.ipapi.is/?q=203.250.64.1"