Robtex

Up: 199.81.216.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 199.81.216.0/26
Down right: 199.81.216.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.81.216.1	PTR	wtci.fw.fedex.com
199.81.216.23	PTR	filweb3.sac.fedex.com
199.81.216.26	A+PTR	mem25fw-cf-gtm01.network.fedex.com
199.81.216.42	PTR	meg-wtc3.infosec.fedex.com
199.81.216.50	PTR	www-vip8.dmz.fedex.com
199.81.216.50	A	prakashairfreight.com
199.81.216.50	A	rate.dmz.fedex.com
199.81.216.51	A+PTR	snitest-vip3.dmz.fedex.com
199.81.216.51	A	snitest.dmz.fedex.com
199.81.216.51	A	snitest-new.dmz.fedex.com
199.81.216.53	A	mx17.infosec.fedex.com
199.81.216.55	A	mx19.infosec.fedex.com
199.81.216.57	A+PTR	vip8-gateway.dmz.fedex.com
199.81.216.57	A	gateway.fedex.com
199.81.216.58	A+PTR	vip8-ws.dmz.fedex.com
199.81.216.59	A+PTR	vip8-gtm.dmz.fedex.com
199.81.216.59	A	gtm.dmz.fedex.com
199.81.216.60	A+PTR	sni-vip4.dmz.fedex.com
199.81.216.65	PTR	temp-ve1.vprod.fedex.com
199.81.216.65	A	temp-ve3.vprod.fedex.com
199.81.216.94	A+PTR	pwb04110.sac.fedex.com
199.81.216.94	A	www110.sac.fedex.com
199.81.216.94	A	pwb04110.dmz.fedex.com
199.81.216.96	A+PTR	pwb04116.sac.fedex.com
199.81.216.96	A	pwb04116.dmz.fedex.com
199.81.216.97	A+PTR	vip2-gateway.test.fedex.com
199.81.216.97	A	gatewaybeta.dmz.fedex.com
199.81.216.97	A	gatewaybeta.fedex.com
199.81.216.98	A+PTR	vip2-wstest.dmz.fedex.com
199.81.216.98	A	wsbetageo.g.fedex.com
199.81.216.98	A	wsbeta.fedex.com
199.81.216.101	A+PTR	prh01036.sac.fedex.com
199.81.216.101	A	mobile2.dmz.fedex.com
199.81.216.102	A+PTR	prh01037.sac.fedex.com
199.81.216.102	A	mobile2.dmz.fedex.com
199.81.216.103	A+PTR	prh01038.sac.fedex.com
199.81.216.103	A	mobile2.dmz.fedex.com
199.81.216.120	A	wwwtest.dmz.fedex.com
199.81.216.122	A+PTR	qrh00501.sac.fedex.com
199.81.216.126	A	a2.dns.fedex.com