Robtex

Up: 212.58.228.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 212.58.229.0/25
Down right: 212.58.229.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
212.58.229.43	A	kdms-app.int2.iplayer.bbc.co.uk
212.58.229.50	A	bbcmg-education.com
212.58.229.51	A	node2.bbcworldwide.com
212.58.229.52	A	node1.bbcworldwide.com
212.58.229.54	A	www.deepbluethemovie.com
212.58.229.54	A	bbcshowcase.com
212.58.229.54	A	www.bbclibrarysales.com
212.58.229.55	A	indies.bbcworldwide.com
212.58.229.119	PTR	dhcp3.sbs-gw.tvc.bbc.co.uk
212.58.229.120	PTR	dhcp4.sbs-gw.tvc.bbc.co.uk
212.58.229.122	PTR	dhcp6.sbs-gw.tvc.bbc.co.uk
212.58.229.125	PTR	dhcp9.sbs-gw.tvc.bbc.co.uk
212.58.229.193	PTR	vl9-hsrp.hsw0.mh.bbc.co.uk
212.58.229.198	A	isw1-f9-dc3.mh.bbc.co.uk
212.58.229.200	PTR	isw0-b8-dc3.mh.bbc.co.uk
212.58.229.206	A	isw0-b3-dc3.mh.bbc.co.uk
212.58.229.207	PTR	isw0-b4-dc3.mh.bbc.co.uk
212.58.229.208	PTR	isw0-f4-dc3.mh.bbc.co.uk
212.58.229.210	PTR	isw1-b6-dc3.mh.bbc.co.uk
212.58.229.211	A	isw0-a8-dc1.mh.bbc.co.uk
212.58.229.212	A	isw0-a8-dc2.mh.bbc.co.uk
212.58.229.216	PTR	isw0-d18-dc2.mh.bbc.co.uk
212.58.229.217	PTR	isw0-d13-dc1.mh.bbc.co.uk