Robtex

Up: 198.41.80.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 198.41.80.0/25
Down right: 198.41.80.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.41.80.2	PTR	aaos.org
198.41.80.2	A	aaos.com
198.41.80.4	A+PTR	lpfocal.aaos.org
198.41.80.4	A	lpqwest.aaos.org
198.41.80.8	A	www.utahortho.org
198.41.80.10	A	boneandjointdisease.org
198.41.80.12	A	sites.aaos.org
198.41.80.12	A	sites1.aaos.org
198.41.80.14	A+PTR	www2.aaos.org
198.41.80.14	A	www2ispq.aaos.org
198.41.80.16	A	www.coa.org
198.41.80.19	PTR	ota.org
198.41.80.20	A	maoa.org
198.41.80.20	A	www.maoa.org
198.41.80.26	A	www.msoa.org
198.41.80.28	A	www7.aaos.org
198.41.80.30	A	aaosnow.org
198.41.80.33	A+PTR	orthopaedicdeviceforum.org
198.41.80.33	A	www.orthopaedicdeviceforum.org
198.41.80.35	A	searchbt.aaos.org
198.41.80.36	A+PTR	magellan-society.org
198.41.80.36	A	www.magellan-society.org
198.41.80.37	A	gladdensociety.org
198.41.80.37	A	www.gladdensociety.org
198.41.80.41	A	www.ases-assn.org
198.41.80.43	A	testnew.aaos.org
198.41.80.45	A	www6.aaos.org
198.41.80.49	A	md.aaos.org
198.41.80.49	A	mdispq.aaos.org
198.41.80.59	A	spec.hipsoc.org
198.41.80.60	A+PTR	posna.org
198.41.80.65	A	www3.aaos.org
198.41.80.67	A+PTR	owa.aaos.org
198.41.80.68	A	orthodoc.aaos.org
198.41.80.69	A+PTR	orthoinfo.org
198.41.80.69	A	www.orthoinfo.org
198.41.80.69	A	orthoinfo.aaos.org
198.41.80.70	A	ebus.msts.org
198.41.80.75	A	testyoc.aaos.org
198.41.80.76	PTR	aahks.org
198.41.80.78	A+PTR	owa2.aaos.org
198.41.80.79	A	saveyourknees.net
198.41.80.79	A	www.saveyourknees.org
198.41.80.79	A	saveyourknees.org
198.41.80.80	PTR	ajrr.net
198.41.80.80	A	kcorthodoc.com
198.41.80.80	A	jonathanmahermd.com
198.41.80.82	A	www5.aaos.org
198.41.80.84	A+PTR	www.statesociety.org
198.41.80.84	A	statesociety.org
198.41.80.87	A	aaoscore.org
198.41.80.92	A	www.aaos.org
198.41.80.92	A	aaos.org
198.41.80.94	A	specacpoc.org
198.41.80.97	A+PTR	kneesociety.org
198.41.80.99	PTR	aaos75th.org
198.41.80.99	A	aaos75.org
198.41.80.99	A	www.aaos75.org
198.41.80.102	A	webmail.aaos.org
198.41.80.106	A	sso.aaos.org
198.41.80.116	A	www.opwalkusa.net
198.41.80.116	A	www.opwalkusa.com
198.41.80.140	A	ebus.ases-assn.org
198.41.80.142	A	ebus.ota.org
198.41.80.148	A	ebus.aahks.org
198.41.80.149	A	ebus.posna.org
198.41.80.150	A	ebus.aaos.org
198.41.80.152	A	ebus.hipsoc.org
198.41.80.159	A	spec.ota.org
198.41.80.170	A	www.orthoportal.org
198.41.80.170	A	orthoportal.aaos.org
198.41.80.170	A	bestof.aaos.org
198.41.80.175	A	msts.org
198.41.80.175	A	www.msts.org
198.41.80.185	A	vpn.aaos.org
198.41.80.232	A	spec.aahks.org
198.41.80.243	A	citrix.aaos.org
198.41.80.252	A+PTR	lists.aaos.org
198.41.80.252	A	list1.aaos.org