Robtex

Up: 31.25.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 31.25.4.0/23
Down right: 31.25.6.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.25.4.1	A+PTR	outgoing.northyorks.gov.uk
31.25.4.5	A	lgr.northyorks.gov.uk
31.25.4.5	A	intschools.northyorks.gov.uk
31.25.4.5	A	sunrise.northyorks.gov.uk
31.25.4.11	A	talis2.northyorks.gov.uk
31.25.4.11	A	docs.northyorks.gov.uk
31.25.4.42	A+PTR	mail2.northyorks.gov.uk
31.25.4.42	A	mail2.emergencynorthyorks.gov.uk
31.25.4.42	A	gw2.northyorks.gov.uk
31.25.4.49	A+PTR	mail1.northyorks.gov.uk
31.25.4.49	A	mail1.emergencynorthyorks.gov.uk
31.25.4.49	A	gw1.northyorks.gov.uk
31.25.4.65	PTR	me3400-fe6.nynet.co.uk
31.25.4.122	A	www.expressgroup.be
31.25.4.122	A	expressgroup.fr
31.25.5.42	PTR	mail.takethat.co.uk
31.25.5.82	A+PTR	officemail.a2gaccountants.co.uk
31.25.5.122	PTR	mail.takethat.co.uk
31.25.5.123	PTR	mail.takethat.co.uk
31.25.5.123	A	mail.bingomlm.com
31.25.5.123	A	mail.irishlottery.com
31.25.5.124	PTR	mail.takethat.co.uk
31.25.5.125	A+PTR	mail.lottery.ltd.uk
31.25.5.125	A	mail.lottery.net
31.25.5.125	A	mail.lottery.co.za
31.25.5.126	PTR	mail.takethat.co.uk
31.25.5.243	A	mailgate.holmeside.net
31.25.5.243	A	mail.mjqphotography.com
31.25.7.12	A	cluster1.uk.aoncue.net
31.25.7.20	A	mail.cromwellpolythene.co.uk