AS3661

The Chinese University of Hong Kong

AS 3661 ERX-CUHKNET

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

74,240 IP addresses
ASN3661
NameERX-CUHKNET
OrganizationThe Chinese University of Hong Kong
CountryHong Kong  
RegistryARIN
IPv4 addresses74,240
IPv6 /64 networks232
Prefixes9
IPv4 Prefixes for AS3661
Network Location Addresses
103.49.160.0/22 The Chinese University of Hong Kong   Ma Liu Shui 1,024
123.255.64.0/21 The Chinese University of Hong Kong   Ma Liu Shui 2,048
137.189.0.0/16 The Chinese University of Hong Kong   Ma Liu Shui 65,536
137.189.196.0/24 The Chinese University of Hong Kong   Ma Liu Shui 256
175.159.224.0/22 The Chinese University of Hong Kong   Pok Fu Lam 1,024
202.40.216.0/24 Culib   Ma Liu Shui 256
203.188.64.0/20 The Chinese University of Hong Kong   Ma Liu Shui 4,096
IPv6 Prefixes for AS3661
Network Location /64 Prefixes
2001:ce0:3::/48 The Chinese University of Hong Kong   Pok Fu Lam 216
2405:3000::/32 Cuhknet   Ma Liu Shui 232