Robtex

Up: 66.109.88.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.109.88.0/23
Down right: 66.109.90.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.109.88.151	A	avocado.flightsafety.com
66.109.88.152	A+PTR	apricot.flightsafety.com
66.109.88.153	A	lemon.flightsafety.com
66.109.89.204	PTR	www.flightsafetyacademy.com
66.109.89.204	A	flightsafetyacademy.com
66.109.89.205	A	prod.flightsafetyacademy.com
66.109.89.223	A+PTR	www.fsi.com
66.109.89.223	A	fsi.com
66.109.89.226	A+PTR	myflightsafety.com
66.109.89.226	A+PTR	www.myflightsafety.com
66.109.89.230	A+PTR	www.flightsafety.com
66.109.89.231	A+PTR	www.flightsafetyacademy.com
66.109.89.232	A	mobile.flightsafety.com
66.109.90.22	A+PTR	mailgw05.flightsafety.com
66.109.90.22	A	mailgw.flightsafety.com
66.109.90.30	A+PTR	ns01.flightsafety.com
66.109.90.31	A+PTR	ns02.flightsafety.com
66.109.90.40	A+PTR	ftp.flightsafety.com
66.109.90.41	A	coconut.flightsafety.com
66.109.90.43	A+PTR	sentry.flightsafety.com
66.109.90.45	A	vsp.flightsafety.com
66.109.90.46	A	fss-sentry.flightsafety.com
66.109.90.163	A+PTR	bbs.flightsafety.com
66.109.90.163	A+PTR	resources.flightsafety.com
66.109.90.167	A+PTR	flightsafetysurvey.com
66.109.90.167	A+PTR	www.flightsafetysurvey.com
66.109.90.168	A	flightbag.com
66.109.90.195	A+PTR	elearn.flightsafety.com
66.109.90.196	PTR	flightsafetyonline.com
66.109.90.196	PTR	www.flightsafetyonline.com
66.109.90.196	PTR	seaport.fssc.com
66.109.90.197	A	smartchat.flightsafety.com
66.109.91.6	A+PTR	vpn.ssd.fsi.com
66.109.91.6	A	t38atd.flightsafety.com
66.109.91.6	A	c5ats.flightsafety.com
66.109.91.68	A+PTR	betamfs.flightsafety.com
66.109.91.69	A+PTR	entapp.flightsafety.com
66.109.91.70	A+PTR	helpdesk.flightsafety.com
66.109.91.71	A	portal.flightsafety.com
66.109.91.72	A	welcome.flightsafety.com
66.109.91.74	PTR	webmail.flightsafety.com
66.109.91.75	A+PTR	logbook.flightsafety.com
66.109.91.107	A+PTR	mango.flightsafety.com
66.109.91.108	A	lyncdiscover.flightsafety.com