Robtex

Up: 216.158.48.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 216.158.48.0/24
Down right: 216.158.49.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.158.48.1	A	core-1-fe2-0-0.hq.dca.net
216.158.48.2	A	core-2.hq.dca.net
216.158.48.5	A	vpn.dca.net
216.158.48.6	PTR	core-6.hq.dca.net
216.158.48.14	PTR	core-14.hq.dca.net
216.158.48.15	A	node-15.hq.dca.net
216.158.48.30	A	switch-30-gig-1.hq.dca.net
216.158.48.33	A	switch-33-fe0-1.hq.dca.net
216.158.48.42	A	switch-42.hq.dca.net
216.158.48.47	PTR	switch-47-fe0-1.hq.dca.net
216.158.48.50	A	doorman.hq.dca.net
216.158.48.52	PTR	gluteus.hq.dca.net
216.158.48.53	A	pm2-53-e0.hq.dca.net
216.158.48.61	A+PTR	scrubber2.dca.net
216.158.48.62	A+PTR	scrubber.dca.net
216.158.48.62	A	bn.oldcity.dca.net
216.158.48.62	A	av-relay.dca.net
216.158.48.63	PTR	boxer.hq.dca.net
216.158.48.65	A	caribou.hq.dca.net
216.158.48.66	A+PTR	smtp-relay.dca.net
216.158.48.67	PTR	queue.dca.net
216.158.48.68	A	walrus.dca.net
216.158.48.69	A+PTR	support.hq.dca.net
216.158.48.70	A	ipplan.hq.dca.net
216.158.48.72	PTR	clu2.hq.dca.net
216.158.48.78	PTR	shepherd.hq.dca.net
216.158.48.79	PTR	collie.hq.dca.net
216.158.48.80	A	deer.hq.dca.net
216.158.48.81	A	antelope.hq.dca.net
216.158.48.82	A	dolphin.hq.dca.net
216.158.48.86	A	hound.hq.dca.net
216.158.48.87	A	beagle.hq.dca.net
216.158.48.89	PTR	collie.hq.dca.net
216.158.48.92	A	beaver.hq.dca.net
216.158.48.95	PTR	queue.dca.net
216.158.48.95	A	moose.hq.dca.net
216.158.48.97	A+PTR	corp.dca.net
216.158.48.98	PTR	centos-lab.dca.net
216.158.48.106	A	vpf-b.vdi.dca.net
216.158.48.118	A	environment.noc.hq.dca.net
216.158.49.7	PTR	dexsta