Robtex

Up: 212.57.224.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 212.57.224.0/23
Down right: 212.57.226.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.57.224.10	A	mail.playtime.netcentral.co.uk
212.57.225.8	PTR	reverse.ic.net.uk
212.57.225.86	PTR	reverse.ic.net.uk
212.57.225.86	A	mx0.virtualworkplace.co.uk
212.57.225.106	A	mailgate.timco.ie
212.57.225.113	A	www.hackgreensdr.org
212.57.225.113	A	g4pmy.co.uk
212.57.225.113	A	hackgreensdr.org
212.57.225.119	A+PTR	ttmail.ttpumps.com
212.57.225.119	A	exchange.ttflow.com
212.57.225.119	A	exchange.aquaflowvalves.com
212.57.225.123	PTR	reverse.ic.net.uk
212.57.225.123	A	dc-42bef23fd532.thinkrugs.co.uk
212.57.225.143	A+PTR	outbound.lightech.co.uk
212.57.225.143	A	mail2.lightech.co.uk
212.57.225.149	PTR	reverse.ic.net.uk
212.57.225.154	A	passthru.ukfarmvets.com
212.57.225.154	A	passthru.ukfarmvets.co.uk
212.57.225.162	A	mail.palin-it.net
212.57.225.162	A	mail.palin-it.co.uk
212.57.225.167	A	mailserver.berryconsultants.co.uk
212.57.225.179	A	mail.thesticks.org
212.57.225.179	A	themailbox.name
212.57.225.180	PTR	reverse.ic.net.uk
212.57.225.180	A	mail.aqueductmarina.co.uk
212.57.225.183	A	dxdev.co.uk
212.57.225.186	PTR	reverse.ic.net.uk
212.57.225.186	A	mail2.intercityprivatehire.co.uk
212.57.225.190	A	icair.mpfh.co.uk
212.57.225.196	A	remote.baasl.co.uk
212.57.225.200	PTR	mail.donbur.org.uk
212.57.225.200	A+PTR	mail.donbur.com
212.57.225.200	PTR	mail.sapphirecurtains.co.uk
212.57.225.204	PTR	reverse.ic.net.uk
212.57.225.204	A	callaco-it.com
212.57.225.238	A	mail.b2bcorp.co.uk
212.57.226.30	PTR	mail.kwca.co.uk
212.57.226.74	PTR	mail.pointprogress.com
212.57.227.58	PTR	remote.lambertleonardmay.co.uk
212.57.227.58	A	remote.ukfarmvets.com
212.57.227.58	A	remote.ukfarmvets.co.uk
212.57.227.92	A	mail.belongheritagegallery.org.uk
212.57.227.92	A	mail.belong.org.uk
212.57.227.92	A	mail.clsgroup.org.uk