Robtex

Up: 158.255.248.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 158.255.248.0/25
Down right: 158.255.248.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
158.255.248.1	PTR	data.vychod.net
158.255.248.1	A	kirk.vychod.net
158.255.248.1	A	jumbo.vychod.net
158.255.248.2	A+PTR	z.vychod.net
158.255.248.7	A+PTR	nat.vychod.net
158.255.248.10	A	nat-10.vychod.net
158.255.248.13	A	nat-13.vychod.net
158.255.248.16	A	nat-16.vychod.net
158.255.248.17	A+PTR	nat-17.vychod.net
158.255.248.21	A	nat-21.vychod.net
158.255.248.22	A+PTR	nat-22.vychod.net
158.255.248.24	A+PTR	nat-24.vychod.net
158.255.248.66	A+PTR	ns.vychod.net
158.255.248.67	PTR	smtp.vychod.net
158.255.248.69	A+PTR	qp.vychod.net
158.255.248.97	A+PTR	z-z.vychod.net
158.255.248.98	PTR	andricik.com
158.255.248.99	A+PTR	vychod.net
158.255.248.99	A	www.vychod.net
158.255.248.101	A	mail.vychod.net
158.255.248.130	A	jumbo.vychod.net
158.255.248.134	PTR	www.vychod.net
158.255.248.136	A	db.vychod.net
158.255.248.138	PTR	mail.vychod.net
158.255.248.138	A	smtp.vychod.net
158.255.248.140	A	oleo-mac.co.uk
158.255.248.140	A	emak.co.uk
158.255.248.140	A	multimate-efco.co.uk
158.255.248.161	A+PTR	server.devvap.sk
158.255.248.161	A	eltc.sk
158.255.248.169	A+PTR	ramon.vychod.net
158.255.248.190	A+PTR	server.emagine.sk
158.255.248.190	A	www.mfkkosice.sk
158.255.248.190	A	www.kosiceonline.sk
158.255.248.198	A+PTR	koral.orte.sk
158.255.248.198	A	*.orte.sk
158.255.248.198	A	zadania.sk
158.255.248.200	A+PTR	nat-200.vychod.net
158.255.248.204	A+PTR	db.vychod.net
158.255.248.205	A	us.vychod.net
158.255.248.206	A+PTR	mon.vychod.net
158.255.248.210	A+PTR	jt.vychod.net