Robtex

Up: 208.84.44.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 208.84.46.0/24
Down right: 208.84.47.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.84.46.14	A+PTR	graphics.qa09.sea1.cmates.com
208.84.46.22	A	bmx.stg2.classmates.com
208.84.46.22	A	banners.stg2.classmates.com
208.84.46.23	A	ns06.classmates.com
208.84.46.23	A	ns03.classmates.com
208.84.46.24	A+PTR	ns04.classmates.com
208.84.46.29	A+PTR	webmail.pc-holdings.com
208.84.46.57	A+PTR	autodiscover.classmates.com
208.84.46.110	PTR	las1.classmates.com
208.84.46.110	PTR	*.las1.classmates.com
208.84.46.110	A+PTR	upload.las1.classmates.com
208.84.46.118	A	talisma-chat.las1.classmates.com
208.84.46.141	PTR	sglb01.classmates.com
208.84.46.150	PTR	www.highschools.stg2.classmates.com
208.84.46.150	PTR	*.yearbookarchives.stg2.classmates.com
208.84.46.151	PTR	stg2.classmates.com
208.84.46.155	A	photos.stg2.classmates.com
208.84.46.161	A+PTR	mx01.stg2.classmates.com
208.84.46.169	A	s.stg2.cmcdn.com
208.84.46.187	A	stsegue01.stg2.classmates.com
208.84.46.188	A	stsegue02.stg2.classmates.com
208.84.47.48	A+PTR	sea1nat.classmates.com
208.84.47.50	A	nat30.dmz.classmates.com
208.84.47.52	A	nat60-dmz.classmates.com
208.84.47.53	A	nat64-dmz.classmates.com
208.84.47.54	A	nat70-dmz.classmates.com
208.84.47.61	A	natuol-dmz.classmates.com
208.84.47.73	A	sgvpn01.classmates.com
208.84.47.73	A	sgvpn02.classmates.com
208.84.47.111	A+PTR	mx.classmates.com
208.84.47.111	A+PTR	mx01.classmates.com
208.84.47.112	A+PTR	mx.classmates.com
208.84.47.112	A+PTR	mx02.classmates.com
208.84.47.119	A+PTR	mail-filter.corp.classmates.com
208.84.47.120	A+PTR	mail-filter.corp.classmates.com
208.84.47.121	A+PTR	mx.classmates.com
208.84.47.121	A+PTR	mx21.classmates.com
208.84.47.122	A+PTR	mx.classmates.com
208.84.47.122	A+PTR	mx22.classmates.com
208.84.47.134	A	fb4real-dev.classmates.com
208.84.47.211	A+PTR	webmail.memorylane.com