AS4641
AS4641
APNIC
ISP
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
AS4641
Company
The Hong Kong Internet Exchange Limited
AS Domain
cuhk.edu.hk
Using host.io for pre-visualize domains.
Type
ISP
IPv4 Addresses
12,544
IPv6 Addresses
7.92×10²⁸
Registry (RIR)
APNIC
123.255.96.0/19
Abuse Contacts
Announced Prefixes (4)
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
123.255.96.0/19
Authorized ASN
AS4641
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