Robtex

Up: 199.216.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 199.216.56.0/22
Down right: 199.216.60.0/22

IP	Type	Hostname
199.216.56.213	PTR	gov.ab.ca
199.216.57.89	PTR	gov.ab.ca
199.216.57.141	PTR	gov.ab.ca
199.216.57.178	PTR	gov.ab.ca
199.216.58.5	PTR	nccvpn99.gov.ab.ca
199.216.59.1	PTR	crsd.ab.ca
199.216.59.11	PTR	crsd.ab.ca
199.216.59.86	PTR	crsd.ab.ca
199.216.59.95	PTR	crsd.ab.ca
199.216.59.117	PTR	crsd.ab.ca
199.216.59.119	PTR	crsd.ab.ca
199.216.59.201	PTR	crsd.ab.ca
199.216.59.232	PTR	crsd.ab.ca
199.216.59.239	PTR	crsd.ab.ca
199.216.59.240	PTR	crsd.ab.ca
199.216.59.241	PTR	crsd.ab.ca
199.216.59.243	PTR	crsd.ab.ca
199.216.60.2	PTR	crps.ab.ca
199.216.60.9	PTR	gov.ab.ca
199.216.60.11	PTR	gov.ab.ca
199.216.60.17	PTR	gov.ab.ca
199.216.60.26	PTR	gov.ab.ca
199.216.60.42	PTR	gov.ab.ca
199.216.60.43	PTR	gov.ab.ca
199.216.60.49	PTR	gov.ab.ca
199.216.60.58	PTR	gov.ab.ca
199.216.60.80	PTR	gov.ab.ca
199.216.60.88	PTR	gov.ab.ca
199.216.60.99	PTR	gov.ab.ca
199.216.60.104	PTR	gov.ab.ca
199.216.60.105	PTR	gov.ab.ca
199.216.60.112	PTR	gov.ab.ca
199.216.60.130	PTR	gov.ab.ca
199.216.60.138	PTR	gov.ab.ca
199.216.60.139	PTR	gov.ab.ca
199.216.60.145	PTR	gov.ab.ca
199.216.60.152	PTR	gov.ab.ca
199.216.60.155	PTR	gov.ab.ca
199.216.60.169	PTR	gov.ab.ca
199.216.60.170	PTR	gov.ab.ca
199.216.60.177	PTR	gov.ab.ca
199.216.60.178	PTR	gov.ab.ca
199.216.60.187	PTR	gov.ab.ca
199.216.60.200	PTR	gov.ab.ca
199.216.60.202	PTR	gov.ab.ca
199.216.60.209	PTR	gov.ab.ca
199.216.60.210	PTR	gov.ab.ca
199.216.60.219	PTR	gov.ab.ca
199.216.60.225	PTR	gov.ab.ca
199.216.60.233	PTR	gov.ab.ca
199.216.60.248	PTR	gov.ab.ca
199.216.60.250	PTR	gov.ab.ca
199.216.61.67	PTR	gov.ab.ca
199.216.62.4	PTR	mail.btrd.ab.ca
199.216.62.5	PTR	marge.btrd.ab.ca
199.216.62.47	A	breeze.btps.ca
199.216.62.102	PTR	whs.btps.ca
199.216.62.104	PTR	khs.btps.ca
199.216.62.107	PTR	robson.bfsd.net
199.216.62.115	PTR	amisk.btps.ca
199.216.62.121	PTR	jrrobson.btps.ca
199.216.62.129	PTR	pigbox129.btps.ca
199.216.62.130	PTR	students.btps.ca
199.216.62.201	PTR	mysql.btps.ca
199.216.62.226	PTR	edgepro.btps.ca
199.216.63.3	PTR	btrd.ab.ca
199.216.63.16	PTR	whs.btps.ca
199.216.63.18	PTR	khs.btps.ca
199.216.63.24	PTR	marwayne.btps.ca
199.216.63.36	PTR	provost.btps.ca
199.216.63.37	PTR	pigbox127.btps.ca
199.216.63.43	PTR	pigbox254.btps.ca
199.216.63.52	PTR	btrd.ab.ca
199.216.63.56	PTR	btrd.ab.ca
199.216.63.57	PTR	btrd.ab.ca
199.216.63.58	PTR	btrd.ab.ca
199.216.63.59	PTR	btrd.ab.ca
199.216.63.64	PTR	btrd.ab.ca
199.216.63.65	PTR	btrd.ab.ca
199.216.63.66	PTR	btrd.ab.ca
199.216.63.72	PTR	btrd.ab.ca
199.216.63.73	PTR	btrd.ab.ca
199.216.63.74	PTR	btrd.ab.ca
199.216.63.80	PTR	btrd.ab.ca
199.216.63.81	PTR	btrd.ab.ca
199.216.63.83	PTR	btrd.ab.ca
199.216.63.88	PTR	btrd.ab.ca
199.216.63.90	PTR	btrd.ab.ca
199.216.63.91	PTR	btrd.ab.ca
199.216.63.97	PTR	btrd.ab.ca
199.216.63.98	PTR	btrd.ab.ca
199.216.63.99	PTR	btrd.ab.ca
199.216.63.104	PTR	btrd.ab.ca
199.216.63.106	PTR	btrd.ab.ca
199.216.63.107	PTR	btrd.ab.ca
199.216.63.113	PTR	btrd.ab.ca
199.216.63.115	PTR	btrd.ab.ca
199.216.63.120	PTR	btrd.ab.ca
199.216.63.123	PTR	btrd.ab.ca
199.216.63.128	PTR	btrd.ab.ca
199.216.63.130	PTR	btrd.ab.ca
199.216.63.138	PTR	proxy2.btps.ca
199.216.63.139	PTR	pigbox009.btps.ca
199.216.63.145	PTR	khs.btps.ca
199.216.63.176	PTR	btrd.ab.ca
199.216.63.177	PTR	btrd.ab.ca
199.216.63.179	PTR	btrd.ab.ca
199.216.63.184	PTR	btrd.ab.ca
199.216.63.185	PTR	btrd.ab.ca
199.216.63.186	PTR	btrd.ab.ca
199.216.63.187	PTR	btrd.ab.ca
199.216.63.192	PTR	btrd.ab.ca
199.216.63.193	PTR	btrd.ab.ca
199.216.63.195	PTR	btrd.ab.ca
199.216.63.202	PTR	btrd.ab.ca
199.216.63.203	PTR	btrd.ab.ca
199.216.63.208	PTR	btrd.ab.ca
199.216.63.209	PTR	btrd.ab.ca
199.216.63.216	PTR	btrd.ab.ca
199.216.63.217	PTR	btrd.ab.ca
199.216.63.219	PTR	btrd.ab.ca
199.216.63.226	PTR	btrd.ab.ca
199.216.63.227	PTR	btrd.ab.ca
199.216.63.232	PTR	btrd.ab.ca
199.216.63.234	PTR	btrd.ab.ca
199.216.63.235	PTR	btrd.ab.ca
199.216.63.240	PTR	btrd.ab.ca
199.216.63.241	PTR	btrd.ab.ca
199.216.63.242	PTR	btrd.ab.ca
199.216.63.248	PTR	btrd.ab.ca
199.216.63.249	PTR	btrd.ab.ca
199.216.63.250	PTR	btrd.ab.ca
199.216.63.251	PTR	btrd.ab.ca