Robtex

Up: 142.214.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 142.214.24.0/23
Down right: 142.214.26.0/23

IP	Type	Hostname
142.214.24.53	A+PTR	ns4.humber.ca
142.214.25.5	PTR	255.humber.ca
142.214.25.26	PTR	2526.humber.ca
142.214.25.35	PTR	2535.humber.ca
142.214.25.42	PTR	2542.humber.ca
142.214.25.45	PTR	2545.humber.ca
142.214.25.62	PTR	2562.humber.ca
142.214.25.68	PTR	2568.humber.ca
142.214.25.70	PTR	2570.humber.ca
142.214.25.80	PTR	2580.humber.ca
142.214.25.84	PTR	2584.humber.ca
142.214.25.86	PTR	2586.humber.ca
142.214.25.96	PTR	2596.humber.ca
142.214.25.108	PTR	25108.humber.ca
142.214.25.111	PTR	25111.humber.ca
142.214.25.112	PTR	25112.humber.ca
142.214.25.118	PTR	25118.humber.ca
142.214.25.119	PTR	25119.humber.ca
142.214.25.120	PTR	25120.humber.ca
142.214.25.125	PTR	25125.humber.ca
142.214.25.129	PTR	25129.humber.ca
142.214.25.152	PTR	25152.humber.ca
142.214.25.154	PTR	25154.humber.ca
142.214.25.164	PTR	25164.humber.ca
142.214.25.166	PTR	25166.humber.ca
142.214.25.167	PTR	25167.humber.ca
142.214.25.170	PTR	25170.humber.ca
142.214.25.173	PTR	25173.humber.ca
142.214.25.176	PTR	25176.humber.ca
142.214.25.181	PTR	25181.humber.ca
142.214.25.213	PTR	25213.humber.ca
142.214.25.215	PTR	25215.humber.ca
142.214.25.216	PTR	25216.humber.ca
142.214.25.217	PTR	25217.humber.ca
142.214.25.220	PTR	25220.humber.ca
142.214.25.226	PTR	25226.humber.ca
142.214.25.227	PTR	25227.humber.ca
142.214.25.230	PTR	25230.humber.ca
142.214.27.1	PTR	271.humber.ca
142.214.27.98	PTR	2798.humber.ca