Robtex

Up: 194.1.166.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 194.1.166.0/25
Down right: 194.1.166.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
194.1.166.150	A+PTR	zimbra-mbox16dc6.protectedservice.net
194.1.166.181	A+PTR	pendeo1.dc6.protectedservice.net
194.1.166.181	A	nbg.co.uk
194.1.166.181	A	marcgadsdon.com
194.1.166.182	PTR	mx46.protectedservice.net
194.1.166.183	A+PTR	mx36.protectedservice.net
194.1.166.183	A	mx30.spamstore.co.uk
194.1.166.183	A	mx3.technobuffs.co.uk
194.1.166.184	A+PTR	ns2.nsserve.net
194.1.166.186	A	nbg.co.uk
194.1.166.186	A	getpendeo.com
194.1.166.186	A	amadeus-equipment.co.uk
194.1.166.187	PTR	smtp.protectedservice.net
194.1.166.188	A	mx36.protectedservice.net
194.1.166.189	A+PTR	mx46.protectedservice.net