AS4528
AS4528
APNIC
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
AS4528
Company
The University of Hong Kong
Type
Education
IPv4 Addresses
83,712
IPv6 Addresses
3.10×10²⁶
Registry (RIR)
APNIC
175.159.158.0/23
Abuse Contacts
Announced Prefixes (9)
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
175.159.158.0/23
Authorized ASN
AS4528
IP Geolocation
Country
Hong Kong
Continent
Asia
European Union
No
Phone prefix
+852
Currency
Hong Kong Dollar (HKD $)
Approximate location (country-level)
Open in Maps