AS3661 The Chinese University of Hong Kong details

Summary

Country	Hong Kong
Organization	The Chinese University of Hong Kong
Domain	cuhk.edu.hk
Number of IPv4	81,408
Number of IPv6	7.9229× 10²⁸
AS Type	Education
Registry	APNIC
Allocated	July 31, 2002 (about 22 years ago)
Updated	December 05, 2022 (about 1 year ago)

AS3661 announces 12 IPv4 ranges and 2 IPv6 ranges.

That's a total of 81,408 IPv4 addresses and 7.9229× 10²⁸ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
43.230.116.0/22	The Chinese University of Hong Kong	1,024	APNIC	ALLOCATED PORTABLE
43.252.200.0/22	The Chinese University of Hong Kong	1,024	APNIC	ASSIGNED PORTABLE
103.29.12.0/22	The Chinese University of Hong Kong	1,024	APNIC	ALLOCATED PORTABLE
103.49.160.0/22	The Chinese University of Hong Kong	1,024	APNIC	ALLOCATED PORTABLE
123.255.64.0/21	The Chinese University of Hong Kong	2,048	APNIC	ALLOCATED PORTABLE
123.255.72.0/21	The Chinese University of Hong Kong	2,048	APNIC	ALLOCATED PORTABLE
123.255.80.0/21	The Chinese University of Hong Kong	2,048	APNIC	ALLOCATED PORTABLE
137.189.0.0/16	The Chinese University of Hong Kong	65,536	APNIC	ALLOCATED PORTABLE
137.189.196.0/24	The Chinese University of Hong Kong	256	APNIC	ALLOCATED PORTABLE
175.159.224.0/22	The Chinese University of Hong Kong	1,024	APNIC	ASSIGNED NON-PORTABLE
202.40.216.0/24	Cuhk Library	256	APNIC	ASSIGNED NON-PORTABLE
203.188.64.0/20	The Chinese University of Hong Kong	4,096	APNIC	ASSIGNED NON-PORTABLE

Prefix	Organization	Size	Registry	Status
2001:ce0:3::/48	Joint Universities Computer Centre Limited	1.2089× 10²⁴	APNIC	ALLOCATED PORTABLE
2405:3000::/32	The Chinese University of Hong Kong	7.9228× 10²⁸	APNIC	ALLOCATED PORTABLE

There are 18 peers for AS3661:

AS4608 AS6939 AS7713 AS8359 AS9002 AS9304 AS17639 AS18106 AS23673 AS24482 AS35280 AS39120 AS41095 AS49544 AS55720 AS132337 AS132825 AS140627

There are 3 upstreams for AS3661:

AS3662 AS7660 AS137207

There is no downstream for AS3661.