Robtex

Up: 89.207.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 89.207.16.0/22
Down right: 89.207.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.207.16.74	A	api-ds.conversant.mgr.consensu.akadns.net
89.207.16.137	A+PTR	ams03-usadmm.dotomi.com
89.207.16.137	A	ams03-usadmm-ds.dotomi.com
89.207.16.140	A+PTR	ams03-login.dotomi.com
89.207.16.140	A	ams03-login-ds.dotomi.com
89.207.16.146	A	ams03-convex.dotomi.com
89.207.16.157	A	ams03-bfp01-ds.mediaplex.com
89.207.16.157	A	ams03-bfp01.mediaplex.com
89.207.16.158	A	ams03-bfp02.mediaplex.com
89.207.16.158	A	ams03-bfp02-ds.mediaplex.com
89.207.18.56	PTR	unused
89.207.18.64	PTR	reserved
89.207.18.65	PTR	web.dominos.co.uk
89.207.18.66	PTR	sync.fastclick.net
89.207.18.72	PTR	www.pricerunner.at
89.207.18.72	A	newsroom.pricerunner.co.uk
89.207.18.72	A	*.pricerunner.co.uk
89.207.18.80	PTR	img.mediaplex.com
89.207.18.81	PTR	mojofarm.mediapex.com
89.207.18.92	PTR	unused
89.207.18.128	A+PTR	sto-email.vclk.net
89.207.18.129	A+PTR	tracking-sto.cj.com
89.207.18.130	PTR	website.vcpub.net
89.207.18.130	A	shopping.se
89.207.18.130	A	shopping.dk
89.207.18.139	PTR	available
89.207.18.162	PTR	mgmt.search123.com.uk
89.207.18.171	PTR	www.pricerunner.at
89.207.18.175	A	a.pricerunner.com
89.207.18.177	PTR	feedbeta.pricerunner.com
89.207.18.181	A	img-iad.wip.mediaplex.com
89.207.18.182	A	ad-sto.mediaplex.com
89.207.18.184	PTR	theseed.com
89.207.18.185	PTR	web.dominos.co.uk
89.207.18.186	PTR	sync.fastclick.net
89.207.18.186	A	sync-fastclick.vclk.akadns.net
89.207.18.187	A+PTR	private-branded-sto.mediaplex.com
89.207.18.187	A	mktg.kijiji.com.tw
89.207.18.216	PTR	reserved-nat-static
89.207.18.217	PTR	reserved-nat-static
89.207.18.218	PTR	reserved-nat-static
89.207.18.219	PTR	reserved-nat-static
89.207.19.17	PTR	te4-5.sw-core1.sto.vclk.net