Robtex

Up: 161.30.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 161.30.128.0/18
Down right: 161.30.192.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
161.30.207.6	A	mail.inmarsat.com
161.30.208.44	A+PTR	x8100-adns.gslb.uua.inmarsat.com
161.30.209.22	PTR	inmarsat.com
161.30.209.22	PTR	about.inmarsat.com
161.30.209.22	PTR	aero.inmarsat.com
161.30.210.3	A	gw.inmarsat.org
161.30.211.1	A	gw.inmarsat.org
161.30.211.1	A	gw-dmz.inmarsat.org
161.30.211.130	A+PTR	gw-ext.inmarsat.org
161.30.211.130	A	gw.inmarsat.org
161.30.211.130	A	ns5.stratosglobal.com
161.30.211.131	PTR	bganlhapplnfscrm.bganbss.inmarsat.com
161.30.211.133	PTR	gwmail-ext.inmarsat.org
161.30.211.138	A	ns3.stratosglobal.com
161.30.215.21	A	inmarsatconnect.com
161.30.215.33	A	cast.inmarsat.com
161.30.215.39	A	esas.inmarsat.com
161.30.215.44	A	nav.inmarsat.com
161.30.216.30	A	imap.inmarsat.com
161.30.246.131	A	msds.inmarsat.com
161.30.250.36	A	extsmtp02.inmarsat.com
161.30.250.44	A	ns3.stratosglobal.com
161.30.250.46	A	drgw-ext.inmarsat.org
161.30.250.46	A	drgw-ext.inmarsat.com