City University of Hong Kong operates AS4158: 8 IPv4 prefixes covering 82,944 addresses, most of them in 
Hong Kong.
By IPv4 addresses the network ranks #2,108 worldwide and #43 of 793 networks in Hong Kong. That is 0.34% of the country’s IPv4 space.
The largest block is 144.214.0.0 to 144.214.255.255 with 65,536 addresses, geolocated to Nam Shan Estate.
- IPv4 addresses
- 82,944
- IPv4 prefixes
- 8
- World rank
- #2,108
- Country share
- 0.34%
- IPv6 ranges
- 1
Addresses by country
- Hong Kong 100%
Largest blocks
- 144.214.0.0 Nam Shan Estate65,536
- 175.159.64.0 Kowloon Tong8,192
- 203.188.80.0 Kowloon Tong3,072
- 175.159.200.0 Kowloon Tong3,072
- 202.125.216.0 Kowloon Tong2,048
- 202.125.252.0 Kowloon Tong1,024
Networks of similar size
82,944
82,944
82,944
82,944
82,944
82,688
82,688IPv4 prefixes
Questions and answers
Who owns AS4158?
Autonomous system AS4158 is operated by City University of Hong Kong.
How many IP addresses does AS4158 have?
The network holds 82,944 IPv4 addresses in 8 prefixes, plus 1 IPv6 ranges.
Which country is AS4158 in?
The main country is Hong Kong.
How big is AS4158?
By IPv4 addresses it ranks #2,108 worldwide.
What is the largest address block of AS4158?
144.214.0.0 to 144.214.255.255, 65,536 addresses.