Robtex

Up: 31.25.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 31.25.0.0/22
Down right: 31.25.4.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.25.1.18	A	mail.bluebirdvehicles.com
31.25.1.34	A	mail.newbyhall.com
31.25.1.67	PTR	ns2.nynet.co.uk
31.25.1.67	A	nynet-exch1.nynet.co.uk
31.25.2.13	PTR	mx.southcraven.org
31.25.2.13	A	south-craven.n-yorks.sch.uk
31.25.2.13	A	southcraven.org
31.25.2.14	PTR	mx.southcraven.org
31.25.2.14	A	mail.southcraven.org
31.25.2.14	A	mail.south-craven.n-yorks.sch.uk
31.25.2.16	A	arcteachertraining.com
31.25.2.16	A	yorkshireitt.com
31.25.2.16	A	yorkshiretsa.co.uk
31.25.2.230	A	rssch.com
31.25.2.252	A	staidans.co.uk
31.25.3.23	A	yorkshirecauseway.com
31.25.3.23	A	yorkshirecauseway.co.uk
31.25.3.23	A	yorkshirecausewayschoolstrust.com
31.25.3.77	A+PTR	mail.risedale.org.uk
31.25.3.77	A	risedale.org.uk
31.25.3.88	A+PTR	webmail.scarboroughschools.co.uk
31.25.3.88	A	raincliffeschool.org.uk
31.25.3.88	A	grahamschool.co.uk
31.25.3.90	A	scalbylearning.co.uk
31.25.3.92	PTR	webmail.richmondschool.net
31.25.3.96	A+PTR	mail.hgs.n-yorks.sch.uk
31.25.3.98	A+PTR	eportal.king-james.n-yorks.sch.uk
31.25.3.99	PTR	riponcollege.co.uk
31.25.3.99	A	mailgate.riponcollege.co.uk
31.25.3.107	A+PTR	mail.selbyhigh.n-yorks.sch.uk
31.25.3.113	A+PTR	mail.staidans.co.uk
31.25.3.135	PTR	easingwold.n-yorks.sch.uk
31.25.3.135	A	mail.easingwold.n-yorks.sch.uk
31.25.3.136	A	bestscarboroughschools.co.uk
31.25.3.138	A	mail.scalbyschool.org.uk
31.25.3.145	A	www.risedale.org.uk
31.25.3.157	A	hgs.n-yorks.sch.uk
31.25.3.159	A	www.hgs.n-yorks.sch.uk
31.25.3.161	A	vle.stokesley.n-yorks.sch.uk
31.25.3.166	A+PTR	mail.settlecollege.n-yorks.sch.uk
31.25.3.182	A	catering4schools.com
31.25.3.182	A	www.catering4schools.com
31.25.3.188	A	arcteachertraining.com
31.25.3.190	A+PTR	ts.st-augustines.n-yorks.sch.uk
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	PTR	mail.lottery.ltd.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