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ASN Lookup Tool
AS64021 Network-Transit

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS64021
Organisation
Hong Kong Business Telecom Limited
Name
Network-Transit
Total IPv4 Addresses
256
Total IPv4 Prefixes
20
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#67,132 out of 77,693
Registry
Apnic
Registered Country
HK flag HK
Registered Country Name
Hong Kong
Registered Date
Registration Last Change
2023-04-16
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS64050
HK flagBGP Network Limited
AS23764
HK flagChina Telecom Global Limited
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix43.252.209.0/24
Range From43.252.209.0
Range To43.252.209.255
Prefix45.121.212.0/24
Range From45.121.212.0
Range To45.121.212.255
Prefix45.121.213.0/24
Range From45.121.213.0
Range To45.121.213.255
Prefix45.121.214.0/23
Range From45.121.214.0
Range To45.121.215.255
Prefix103.43.172.0/24
Range From103.43.172.0
Range To103.43.172.255
Showing 5 of 20
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.