Robtex

Up: 204.79.178.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 204.79.179.0/25
Down right: 204.79.179.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.79.179.1	A+PTR	sg1netmfw001-v103.livemeeting.com
204.79.179.2	A+PTR	sg1netmfw002-v103.livemeeting.com
204.79.179.11	PTR	echosg.livemeeting.com
204.79.179.21	A+PTR	sg1netmon002.livemeeting.com
204.79.179.63	PTR	bcast-204-79-179-0.livemeeting.com
204.79.179.65	PTR	sg1netegr-v100.livemeeting.com
204.79.179.66	PTR	po41-100.sin-6nmr-mms-2a.ntwk.msn.net
204.79.179.67	PTR	po41-100.sin-6nmr-mms-2b.ntwk.msn.net
204.79.179.68	A+PTR	sg1netmfw001-v100.livemeeting.com
204.79.179.69	A+PTR	sg1netmfw002-v100.livemeeting.com
204.79.179.70	A+PTR	sg1netvpn001-v100.livemeeting.com
204.79.179.71	A+PTR	sg1netvpn002-v100.livemeeting.com
204.79.179.95	A+PTR	bcast-204-79-179-64.livemeeting.com
204.79.179.97	A+PTR	sg1netvpn001-v102.livemeeting.com
204.79.179.98	A+PTR	sg1netvpn002-v102.livemeeting.com
204.79.179.105	PTR	sg1rtcbas001.livemeeting.com
204.79.179.106	PTR	sg1rtcbas002.livemeeting.com
204.79.179.127	A+PTR	bcast-204-79-179-96.livemeeting.com
204.79.179.129	A+PTR	sg1netmfw001-v104.livemeeting.com
204.79.179.130	A+PTR	sg1netmfw002-v104.livemeeting.com
204.79.179.132	A+PTR	sg1netlob-v104.livemeeting.com
204.79.179.133	PTR	sg1netlob001-v104.livemeeting.com
204.79.179.134	A+PTR	sg1netlob002-v104.livemeeting.com
204.79.179.151	PTR	str601.livemeeting.com
204.79.179.152	PTR	tel601.livemeeting.com
204.79.179.153	PTR	www601.livemeeting.com
204.79.179.154	PTR	fwd602.livemeeting.com
204.79.179.155	A+PTR	www602.livemeeting.com
204.79.179.155	A	www0.livemeeting.nsatc.net
204.79.179.156	PTR	mta601.livemeeting.com
204.79.179.157	A+PTR	www603.livemeeting.com
204.79.179.158	PTR	sg1asilcs001.livemeeting.com
204.79.179.159	PTR	lmt602.livemeeting.com
204.79.179.160	PTR	str602.livemeeting.com
204.79.179.161	PTR	www606.livemeeting.com
204.79.179.167	PTR	wsp600.livemeeting.com
204.79.179.167	A	www112.livemeeting.com
204.79.179.167	A	www110.livemeeting.com
204.79.179.170	PTR	wsp600.placeware.com
204.79.179.171	A+PTR	www623.livemeeting.com
204.79.179.172	PTR	fwd623.livemeeting.com
204.79.179.173	PTR	apx613.livemeeting.com
204.79.179.175	PTR	ins600.livemeeting.com
204.79.179.176	PTR	login601.livemeeting.com
204.79.179.177	PTR	fwd625.livemeeting.com
204.79.179.178	PTR	lmt625.livemeeting.com
204.79.179.179	PTR	rpt600.livemeeting.com
204.79.179.255	A+PTR	bcast-204-79-179-128.livemeeting.com