Robtex

Up: 88.80.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 88.80.96.0/20
Down right: 88.80.112.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
88.80.96.1	A+PTR	border.ultranet.biz
88.80.96.2	A	kus1.ultranet.biz
88.80.96.3	A+PTR	kus2.ultranet.biz
88.80.96.4	A	irc.ultranet.biz
88.80.96.7	A	ns2.strimon-spaclub.com
88.80.96.38	A+PTR	kabby.ultranet.biz
88.80.96.45	A	dup.ultranet.biz
88.80.96.45	A	mail.dup.ultranet.biz
88.80.96.67	A	www.strimon-spaclub.com
88.80.96.67	A	ns2.strimon-spaclub.com
88.80.96.67	A	mail.strimon-spaclub.com
88.80.96.145	A	ultra2netissat.ultranet.biz
88.80.96.146	A	netissat2ultra.ultranet.biz
88.80.96.149	A	border2sand1.ultranet.biz
88.80.96.150	A	sand1.ultranet.biz
88.80.99.14	A	ns.sandanskibg.com
88.80.105.80	A	home.alexsoft-bg.com
88.80.113.2	A	mail.petritch.net
88.80.113.129	A	mbox.petritch.net
88.80.113.129	A	ns.petritch.net
88.80.113.129	A	petritch.net
88.80.116.170	PTR	nikmar.bg
88.80.116.170	A	nikmar-bg.com
88.80.117.143	A	medika2003.info
88.80.117.236	A	www.ptpgold.info