Robtex

Up: 217.207.208.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 217.207.212.0/23
Down right: 217.207.214.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.207.213.131	A	mail.digipos-system.net
217.207.213.131	A	mail.digipossystems.net
217.207.213.131	A	mail.digipos-system.com
217.207.213.178	A	mail.centrica-claims.com
217.207.213.194	PTR	mail.b-plan.com
217.207.213.194	A	smtp.vervue.com
217.207.213.194	A	smtp.veritas-bi.com
217.207.213.200	A	aptos.co.uk
217.207.213.200	A	veritasbi.co.uk
217.207.213.200	A	veritas-bi.eu
217.207.214.186	A	mailgate2.fermac.com
217.207.215.34	A	mail.siestafly.com
217.207.215.34	A	traveleurope.co.uk