Robtex

Up: 185.163.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.163.180.0/23
Down right: 185.163.182.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.163.180.98	A+PTR	si-pha-vm01.xgbe.cz
185.163.180.98	A	xgbe.cz
185.163.180.102	A+PTR	dns1.xgbe.cz
185.163.181.82	A	naru.cz
185.163.181.83	A	rallyphotos.cz
185.163.181.85	A	autodily-nevlud.cz
185.163.181.85	A	stonefish.cz
185.163.181.87	A	glip.vn.cz
185.163.181.100	A	akreznickova.cz
185.163.181.101	A	smtp.tkrnet.cz
185.163.181.197	PTR	smtp2.valachnet.cz
185.163.181.198	A+PTR	smtp.valachnet.cz
185.163.181.200	PTR	ofca.vn.cz
185.163.181.200	A	ovecky.net
185.163.181.200	A	salza.cz
185.163.181.201	PTR	inforoznov.tkrjasek.cz
185.163.181.202	PTR	vn.cz
185.163.181.206	A+PTR	knir.cz
185.163.181.210	A	tkrportal.vn.cz
185.163.181.211	PTR	muj.vojp.cz
185.163.181.211	A	vojp.cz
185.163.181.212	A+PTR	admin.kabelservis.cz
185.163.181.244	A	gw-valachnet.valachnet.cz
185.163.183.9	A+PTR	pc-185-163-183-9.tesenet.cz
185.163.183.9	A	mail.zsmstesetice.cz