Robtex

Up: 144.214.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 144.214.0.0/23
Down right: 144.214.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
144.214.2.1	PTR	cityu.edu.hk
144.214.2.1	A+PTR	donna.cityu.edu.hk
144.214.2.1	A+PTR	spain.cityu.edu.hk
144.214.2.2	A+PTR	geneva.cityu.edu.hk
144.214.2.9	A	ccipacc.cityu.edu.hk
144.214.2.18	A	barry.cityu.edu.hk
144.214.2.30	A	ccipflow.cityu.edu.hk
144.214.2.34	PTR	dns3.cityu.edu.hk
144.214.2.45	A	ciw2kisa1.cityu.edu.hk
144.214.2.47	PTR	lib.cityu.edu.hk
144.214.2.47	A	*.lib.cityu.edu.hk
144.214.2.53	A+PTR	ipv6-dns.cityu.edu.hk
144.214.2.71	A+PTR	barry1.cityu.edu.hk
144.214.2.72	PTR	netstat2.cityu.edu.hk
144.214.2.78	A	applix1.cityu.edu.hk
144.214.2.89	PTR	eric.cityu.edu.hk
144.214.2.98	A	eduscope4.cityu.edu.hk
144.214.2.108	A+PTR	cintm4.cityu.edu.hk
144.214.2.111	A	ben.cityu.edu.hk
144.214.2.128	A	ccrvcbs1.cityu.edu.hk
144.214.2.130	A	ccisdngw1.cityu.edu.hk
144.214.2.132	A	bigip2.cityu.edu.hk
144.214.2.140	A	wlan1.cityu.edu.hk
144.214.2.148	A+PTR	mailgw14.cityu.edu.hk
144.214.2.156	A	workstation6.cityu.edu.hk
144.214.2.169	A	ccvmstd.sys0.cityu.edu.hk
144.214.2.171	A+PTR	idp1.cityu.edu.hk
144.214.2.178	A+PTR	w2kdns21.ad.cityu.edu.hk
144.214.2.185	A	isabel.cityu.edu.hk
144.214.2.227	A	atmcp01.cityu.edu.hk
144.214.2.229	A	vnetssr1.cityu.edu.hk
144.214.2.232	A	cmrouter.cityu.edu.hk
144.214.2.244	A	ppprouter.cityu.edu.hk
144.214.2.245	A	ccrouter.cityu.edu.hk
144.214.2.246	A+PTR	ccipacc3.cityu.edu.hk
144.214.2.248	A	gw3t01.cityu.edu.hk
144.214.2.249	A	atm1010.cityu.edu.hk
144.214.2.253	A	cc7000.cityu.edu.hk
144.214.2.254	PTR	cityu-gw.cityu.edu.hk
144.214.2.254	A+PTR	cphkgw.cityu.edu.hk