AS4665
Education
Data retrieved at
This AS-only summary is estimated from a sample IP within a prefix announced by this AS, not from a specific query. Search a real IP for exact details.
Network
AS Number
AS4665
Company
Yonsei University
AS Domain
yonsei.ac.kr
Using host.io for pre-visualize domains.
Type
Education
IPv4 Addresses
148,992
IPv6 Addresses
0
Registry (RIR)
APNIC
1.233.251.0/24
Abuse Contacts
Announced Prefixes (33)
Netblock
Num. of IPs
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Unknown
No valid ROA was found for this prefix.
UNKNOWN
Validated Prefix
1.233.251.0/24
Authorized ASN
AS4665
IP Geolocation
Country
South Korea
Continent
Asia
European Union
No
Phone prefix
+82
Currency
South Korean Won (KRW ₩)
Approximate location (country-level)
Open in Maps