Robtex

Up: 198.39.96.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 198.39.100.0/23
Down right: 198.39.102.0/23

IP	Type	Hostname
198.39.100.10	A+PTR	pmask.scoteq.co.uk
198.39.100.12	A+PTR	mail.aegon.co.uk
198.39.100.13	A+PTR	mail.aegon.co.uk
198.39.100.14	A+PTR	mail.aegon.co.uk
198.39.100.15	A+PTR	mail.aegon.co.uk
198.39.100.19	A+PTR	sfmail.aegon.nl
198.39.100.21	A+PTR	edc-proxy-dmz.aegonins.com
198.39.100.21	A	kindi.scoteq.co.uk
198.39.100.24	A+PTR	www.ftp.aegon.co.uk
198.39.100.24	A+PTR	ftp.aegon.co.uk
198.39.100.28	A+PTR	webmail.aegon.nl
198.39.100.29	A	digitalekluis.tkppensioen.nl
198.39.100.30	A+PTR	digitalekluis.aegon.nl
198.39.100.33	A+PTR	webdav.aegon.nl
198.39.100.37	A	prodftp.aegon.co.uk
198.39.102.12	A+PTR	sim.aegon.nl
198.39.102.12	A+PTR	ukisnlsellap01.mail.aegon.nl
198.39.102.12	A+PTR	ukisnlsellap01.service.aegon.nl
198.39.102.14	A+PTR	webport03.aegon.co.uk
198.39.103.21	A	voipvpn.aegon.nl
198.39.103.22	A+PTR	lcs-ap-emp.aegon.nl