Robtex

Up: 82.145.212.128/25
Can't show all results, try to descend to a more specific CIDR
Down left: 82.145.212.128/27
Down right: 82.145.212.160/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
82.145.212.129	PTR	gw.thor.messagingengine.com
82.145.212.129	A+PTR	v0402.be1.cr-01.it01.z.opera.com
82.145.212.131	A+PTR	h22-04-08.opera-mini.net
82.145.212.131	A	stopic.com
82.145.212.139	PTR	tvpn2.messagingengine.com
82.145.212.140	PTR	h22-06-01.opera-mini.net
82.145.212.141	A	stopic.com
82.145.212.141	A	mx0.mx-record.org
82.145.212.141	A	mail.safereply.com
82.145.212.142	A+PTR	h22-06-03.opera-mini.net
82.145.212.142	A	stopic.com
82.145.212.142	A	mail.safereply.com
82.145.212.144	PTR	vpn-thor.messagingengine.com
82.145.212.145	PTR	h22-06-06.opera-mini.net
82.145.212.145	A	mail.realms.org
82.145.212.147	PTR	forward2-thor-smtp.messagingengine.com
82.145.212.148	PTR	out1-thor-smtp.messagingengine.com
82.145.212.151	PTR	tgateway1.messagingengine.com
82.145.212.161	PTR	tfrontend1.messagingengine.com
82.145.212.162	PTR	tfrontend2.messagingengine.com
82.145.212.163	PTR	bulk2-thor-smtp.messagingengine.com
82.145.212.164	PTR	new1-thor-smtp.messagingengine.com
82.145.212.166	PTR	auth1-thor-smtp.messagingengine.com
82.145.212.167	PTR	auth2-thor-smtp.messagingengine.com
82.145.212.168	PTR	momout1-thor-smtp.messagingengine.com
82.145.212.169	PTR	momout2-thor-smtp.messagingengine.com
82.145.212.170	PTR	mail.messagingengine.com
82.145.212.171	PTR	mail.messagingengine.com
82.145.212.172	PTR	web.messagingengine.com
82.145.212.173	PTR	web.messagingengine.com
82.145.212.174	PTR	www.fastmail.fm
82.145.212.176	PTR	dav.messagingengine.com
82.145.212.177	PTR	dav.messagingengine.com
82.145.212.178	PTR	myfiles.messagingengine.com
82.145.212.179	PTR	myfiles.messagingengine.com
82.145.212.181	PTR	ldap.messagingengine.com
82.145.212.190	PTR	nat.thor.messagingengine.com