Robtex

Up: 89.207.48.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 89.207.48.0/25
Down right: 89.207.48.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.207.48.132	A+PTR	vpn.geopostuk.com
89.207.48.140	A+PTR	ns0.geopostuk.com
89.207.48.140	A	ns0.dpdgroup.co.uk
89.207.48.141	A+PTR	ns1.geopostuk.com
89.207.48.141	A	ns1.dpdgroup.co.uk
89.207.48.151	A+PTR	help.geopostuk.com
89.207.48.178	A+PTR	smtp-out-set2-1.geopostuk.com
89.207.48.179	A+PTR	smtp-out-set2-2.geopostuk.com
89.207.48.183	A+PTR	smtp-out-set3-1.geopostuk.com
89.207.48.184	A+PTR	smtp-out-set3-2.geopostuk.com
89.207.48.203	A	parceline.co.uk
89.207.48.206	A+PTR	ftp.geopostuk.com
89.207.48.208	A+PTR	mx1.geopostuk.com
89.207.48.209	A+PTR	mx2.geopostuk.com
89.207.48.210	A+PTR	outbound01.geopostuk.com
89.207.48.212	A+PTR	outbound03.geopostuk.com
89.207.48.214	A+PTR	parcelinedirect.com
89.207.48.215	A	outbound05.geopostuk.com
89.207.48.219	PTR	qa-ftp.geopostuk.com
89.207.48.222	PTR	poc.dpdgroup.co.uk
89.207.48.222	A	mailplus.info
89.207.48.222	A	interlinkdirect.net
89.207.48.225	PTR	dev-www.interlinkexpress.com
89.207.48.228	A	qa-www.dpd.co.uk
89.207.48.229	A+PTR	www.interlinkdirect.co.uk
89.207.48.229	A	interlinkdirect.co.uk
89.207.48.230	A+PTR	asa.geopostuk.com
89.207.48.232	A+PTR	api.dpdgroup.co.uk
89.207.48.241	PTR	www.dpd.co.uk
89.207.48.241	A	irishletter.info
89.207.48.241	A	www.geopost.co.uk
89.207.48.242	A	nivr-test.geopostuk.com
89.207.48.244	A	media.geopostuk.com
89.207.48.245	PTR	qa-extranet.geopostuk.com
89.207.48.246	A	test-ftp.dpdgroup.co.uk
89.207.48.246	A	test-ftp.geopostuk.com