Robtex

Up: 80.238.8.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 80.238.9.0/25
Down right: 80.238.9.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
80.238.9.2	PTR	ip-80-238-9-2.bskyb.com
80.238.9.3	PTR	ip-80-238-9-3.bskyb.com
80.238.9.23	PTR	ip-80-238-9-23.bskyb.com
80.238.9.32	PTR	ip-80-238-9-32.bskyb.com
80.238.9.32	A	bskyb.mobi
80.238.9.32	A	mysky.mobi
80.238.9.33	PTR	ip-80-238-9-33.bskyb.com
80.238.9.82	PTR	ip-80-238-9-82.bskyb.com
80.238.9.83	PTR	ip-80-238-9-83.bskyb.com
80.238.9.83	A	ftp.sky.com
80.238.9.84	PTR	ip-80-238-9-84.bskyb.com
80.238.9.84	A	skysports.mobi
80.238.9.92	PTR	ip-80-238-9-92.bskyb.com
80.238.9.92	A	interactive.sky.com
80.238.9.137	PTR	ip-80-238-9-137.bskyb.com
80.238.9.137	A	content02.vod.sky.com
80.238.9.138	PTR	ip-80-238-9-138.bskyb.com
80.238.9.140	PTR	ip-80-238-9-140.bskyb.com
80.238.9.176	A	listserv.sky.com
80.238.9.177	PTR	ip-80-238-9-177.bskyb.com
80.238.9.177	A	id.sky.com
80.238.9.179	PTR	ip-80-238-9-179.bskyb.com
80.238.9.179	A	thebiznizchannel.net
80.238.9.179	A	thebiznizchannel.eu
80.238.9.180	PTR	ip-80-238-9-180.bskyb.com
80.238.9.180	A	bbv.sky.com
80.238.9.187	PTR	ip-80-238-9-187.bskyb.com
80.238.9.187	A	dms.vod.sky.com
80.238.9.188	PTR	ip-80-238-9-188.bskyb.com
80.238.9.188	A	czone.sky.com
80.238.9.197	PTR	ip-80-238-9-197.bskyb.com
80.238.9.197	A	verify.sky.com
80.238.9.200	PTR	ip-80-238-9-200.bskyb.com
80.238.9.211	A	iphone.sky.com
80.238.9.213	PTR	ip-80-238-9-213.bskyb.com
80.238.9.213	A	skysports.mobi
80.238.9.229	PTR	ip-80-238-9-229.bskyb.com
80.238.9.229	A	three.sky.com
80.238.9.229	A	t-mobile.sky.com
80.238.9.232	PTR	ip-80-238-9-232.bskyb.com
80.238.9.232	A	skyvegas.ie
80.238.9.245	A+PTR	em0.sky.com
80.238.9.245	A	em0.bskyb.com
80.238.9.246	A+PTR	em1.sky.com
80.238.9.246	A	em1.bskyb.com
80.238.9.247	A+PTR	im0.sky.com
80.238.9.248	A+PTR	im1.sky.com
80.238.9.249	A+PTR	im2.sky.com
80.238.9.250	PTR	ip-80-238-9-250.bskyb.com
80.238.9.250	PTR	im3.sky.com.9.238.80.in-addr.arpa
80.238.9.250	A	im3.sky.com