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ASN Lookup Tool
AS3661 ERX-CUHKNET

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3661
Organisation
The Chinese University of Hong Kong
Name
ERX-CUHKNET
Total IPv4 Addresses
73,984
Total IPv4 Prefixes
14
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,401 out of 79,225
Registry
Apnic
Registered Country
HK flagHK
Registered Country Name
Hong Kong
Registered Date
Registration Last Change
2022-12-05
Receiving From
ASN
Organisation
AS7713
ID flagTelekomunikasi Indonesia (PT)
AS8359
RU flagMTS PJSC
AS6939
US flagHurricane Electric LLC
AS49544
NL flagi3D.net B.V
AS36236
US flagNetActuate, Inc
Showing 5 of 16
IPv4 Active Prefixes
PrefixRange FromRange To
103.49.160.0/22103.49.160.0103.49.163.255
123.255.64.0/21123.255.64.0123.255.71.255
137.189.0.0/17137.189.0.0137.189.127.255
137.189.128.0/18137.189.128.0137.189.191.255
137.189.192.0/22137.189.192.0137.189.195.255
Showing 5 of 14
IPv6 Active Prefixes
PrefixRange FromRange To
2001:ce0:3::/482001:ce0:3::2001:ce0:3:ffff:ffff:ffff:ffff:ffff
2405:3000::/322405:3000::2405:3000:ffff:ffff:ffff:ffff:ffff:ffff