Robtex

Up: 205.196.6.0/23
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Down left: 205.196.6.0/25
Down right: 205.196.6.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
205.196.6.1	PTR	bg0a.sea.valve.net
205.196.6.2	PTR	border05.sea.valve.net
205.196.6.3	PTR	coreswpub03.sea.valve.net
205.196.6.9	PTR	b4-b5.sea.valve.net
205.196.6.10	PTR	b5-b4.sea.valve.net
205.196.6.14	PTR	b2-b4.sea.valve.net
205.196.6.17	PTR	b4-core.sea.valve.net
205.196.6.18	PTR	b5-core.sea.valve.net
205.196.6.19	PTR	c3-core.sea.valve.net
205.196.6.34	A	br1-sea1.broadcast.steamcontent.com
205.196.6.67	A	cm-01-sea1.cm.steampowered.com
205.196.6.75	A	cm-02-sea1.cm.steampowered.com
205.196.6.114	A	cache11-sea1.steamcontent.com
205.196.6.129	A	sea.valve.net
205.196.6.131	A	valve66.broadcast.sea.steamstatic.com
205.196.6.132	A	br3-sea1.broadcast.steamcontent.com
205.196.6.132	A	valve62.steamcontent.com
205.196.6.134	A+PTR	sdr-02.valve.net
205.196.6.135	A	br2-sea1.broadcast.steamcontent.com
205.196.6.136	A	valve1400.steampipe.steamcontent.com
205.196.6.136	A	origin.steampipe.steamcontent.com
205.196.6.136	A	valve1400.steamcontent.com
205.196.6.137	A	origin.steampipe.steamcontent.com
205.196.6.137	A	origin.steampipe.steamcontent.akadns.net
205.196.6.137	A	cache-origin-sea1.steamcontent.com
205.196.6.138	A	origin.steampipe.steamcontent.akadns.net
205.196.6.138	A	cache-origin-sea1.steamcontent.com
205.196.6.138	A	origin-ip-selector.steampipe.steamcontent.akadns.net
205.196.6.139	A	origin.steampipe.steamcontent.akadns.net
205.196.6.139	A	cache-origin-sea1.steamcontent.com
205.196.6.139	A	origin-ip-selector.steampipe.steamcontent.akadns.net
205.196.6.141	A	origin.steampipe.steamcontent.akadns.net
205.196.6.141	A	cache-origin-sea1.steamcontent.com
205.196.6.141	A	origin-ip-selector.steampipe.steamcontent.akadns.net
205.196.6.142	A	cache4-sea1.steamcontent.com
205.196.6.143	A	cache2-sea1.steamcontent.com
205.196.6.143	A	cache6-sea1.steamcontent.com
205.196.6.144	A	cache8-sea1.steamcontent.com
205.196.6.145	A	origin.steampipe.steamcontent.akadns.net
205.196.6.145	A	br4-sea1.broadcast.steamcontent.com
205.196.6.145	A	cs.steampowered.com
205.196.6.146	A	cache10-sea1.steamcontent.com
205.196.6.150	A	origin.steampipe.steamcontent.com
205.196.6.150	A	valve1.steamcontent.com
205.196.6.151	A	origin.steampipe.steamcontent.com
205.196.6.151	A	videoorigin2-sea1.steamcontent.com
205.196.6.151	A	valve2.chat.steamcontent.com
205.196.6.152	A	origin.steampipe.steamcontent.com
205.196.6.152	A	origin.steampipe.steamcontent.akadns.net
205.196.6.152	A	cs.steampowered.com
205.196.6.153	A	cdn2-sea1.valve.net
205.196.6.153	A	cdn2-sea1.steamcontent.com
205.196.6.154	A	cache-origin-sea1.steamcontent.com
205.196.6.154	A	cache1-sea1.steamcontent.com
205.196.6.154	A	cdn3-sea1.steamcontent.com
205.196.6.155	A	cdn4-sea1.steamcontent.com
205.196.6.156	A	valve10.steamcontent.com
205.196.6.157	A	valve12.steamcontent.com
205.196.6.162	A	cdn1-sea1.valve.net
205.196.6.162	A	videoorigin3-sea1.steamcontent.com
205.196.6.162	A	cdn1-sea1.steamcontent.com
205.196.6.163	A	videoorigin1-sea1.steamcontent.com
205.196.6.164	A	cache-origin-sea1.steamcontent.com
205.196.6.164	A	valve11.steamcontent.com
205.196.6.164	A	origin3-sea1.steamcontent.com
205.196.6.165	A	cache1-sea1.steamcontent.com
205.196.6.165	A	origin5-sea1.steamcontent.com
205.196.6.165	A	valve13.steamcontent.com
205.196.6.167	A	cache-origin-sea1.steamcontent.com
205.196.6.167	A	origin7-sea1.steamcontent.com
205.196.6.170	A	cache2-sea1.steamcontent.com
205.196.6.171	A	cache3-sea1.steamcontent.com
205.196.6.172	A	origin.steampipe.steamcontent.akadns.net
205.196.6.172	A	cache-origin-sea1.steamcontent.com
205.196.6.172	A	origin-ip-selector.steampipe.steamcontent.akadns.net
205.196.6.173	A	cache5-sea1.steamcontent.com
205.196.6.232	A	origin7-sea1.steamcontent.com