Robtex

Up: 66.103.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 66.103.64.0/21
Down right: 66.103.72.0/21

IP	Type	Hostname
66.103.64.4	A+PTR	ns1.boingo.com
66.103.64.5	A+PTR	ns2.boingo.com
66.103.64.9	A	vpn.boingo.com
66.103.64.9	A	ns5.boingo.com
66.103.64.18	A	smtp-els.boingo.com
66.103.64.19	A+PTR	signup.boingo.com
66.103.64.19	A	pass.car.boingo.com
66.103.64.19	A	pass.client.boingo.com
66.103.64.20	PTR	my.boingo.com
66.103.64.21	A	pass.car.boingo.com
66.103.64.21	A	pass.client.boingo.com
66.103.64.22	A	pass.car.boingo.com
66.103.64.22	A	pass.client.boingo.com
66.103.64.23	A	pass.car.boingo.com
66.103.64.23	A	pass.client.boingo.com
66.103.64.24	A	pass.car.boingo.com
66.103.64.24	A	pass.client.boingo.com
66.103.64.25	A	pass.car.boingo.com
66.103.64.25	A	pass.client.boingo.com
66.103.64.26	A	pass.car.boingo.com
66.103.64.26	A	pass.client.boingo.com
66.103.64.32	A+PTR	www2.boingo.com
66.103.64.32	A	pass.car.boingo.com
66.103.64.32	A	pass.client.boingo.com
66.103.64.35	A	secure.boingo.com
66.103.64.38	PTR	pda.boingo.com
66.103.64.39	A	pass.car.boingo.com
66.103.64.39	A	pass.client.boingo.com
66.103.64.48	A	awgwifi.com
66.103.64.53	A+PTR	check.boingo.com
66.103.64.54	A+PTR	supportticket.boingo.com
66.103.64.55	A+PTR	cm.boingo.com
66.103.64.66	A	opensource.boingo.com
66.103.64.67	PTR	wig.cm.boingo.com
66.103.64.68	PTR	boingomobile.cs.boingo.com
66.103.64.75	A	hotspot.boingohotspot.net
66.103.64.84	A	hso.boingo.com
66.103.64.94	A	ndm-verizon.boingo.com
66.103.64.95	A	ipass-rad1.boingo.com
66.103.64.97	PTR	wifi.boingo.com
66.103.64.102	PTR	www.boingohotspot.net.64.103.66.in-addr.arpa
66.103.64.102	A	www.boingohotspot.net
66.103.64.102	A	boingohotspot.net
66.103.64.109	A	ss.concoursecommunications.com
66.103.64.113	A+PTR	partner1.concoursecommunications.com
66.103.64.114	A	itunes.boingo.com
66.103.64.159	A	webmail-wla.boingo.com
66.103.66.1	A+PTR	inhale.boingo.com
66.103.66.2	A+PTR	exhale.boingo.com
66.103.66.3	A	reports.boingo.com
66.103.66.36	PTR	x1.myhome.org
66.103.66.234	A	corpmail2.boingo.com
66.103.66.238	A+PTR	webmail-wla.boingo.com
66.103.66.239	A	target-reporting.boingo.com
66.103.68.7	A	wayport.boingo.com
66.103.68.12	A	tt.boingo.com
66.103.68.21	PTR	dc01.corp.boingo.com
66.103.68.25	A+PTR	test1.hotspot.boingo.com
66.103.68.30	A+PTR	webmail2.boingo.com
66.103.68.30	A	imap.corp.boingo.com
66.103.76.65	A+PTR	aruba-master.boingo.com
66.103.76.195	A	testradius.boingo.com