Robtex

Up: 64.6.28.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 64.6.28.0/25
Down right: 64.6.28.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.6.28.1	PTR	64-6-28-1.priceline.com
64.6.28.1	A	media.priceline.com
64.6.28.1	A	travel.priceline.com
64.6.28.2	A	prisceline.com
64.6.28.2	A	accomodationfinders.com
64.6.28.2	A	pricelineflight.com
64.6.28.5	A	partners.priceline.com
64.6.28.5	A	priceline.com
64.6.28.6	A	flycheap.com
64.6.28.6	A	redirects.priceline.com
64.6.28.6	A	home-mortgage-loan.us
64.6.28.7	A	lowestfare.com
64.6.28.7	A	www.lowestfare.com
64.6.28.8	A	vip8.flexrez.com
64.6.28.8	A	hilton.flexrez.com
64.6.28.8	A	hiltonplus.flexrez.com
64.6.28.9	A	img1.priceline.com
64.6.28.11	A	xmlrc.flexrez.com
64.6.28.11	A	pcln.com
64.6.28.11	A	jump.priceline.com
64.6.28.12	A	info.priceline.com
64.6.28.12	A	airlines.priceline.com
64.6.28.14	A	findbostonhotels.com
64.6.28.14	A	findseattlehotels.com
64.6.28.14	A	find-tours.com
64.6.28.19	A	airfares.com
64.6.28.19	A	www.airfares.com
64.6.28.20	A	emailimages.pclncdn.com
64.6.28.20	A	s2.pclncdn.com
64.6.28.20	A	e2.pclncdn.com
64.6.28.21	A	flex-rez.com
64.6.28.21	A	flexiblereservations.com
64.6.28.21	A	flexrez.org
64.6.28.22	A	mobileimg.priceline.com
64.6.28.24	A	vip24.flexrez.com
64.6.28.24	A	travelweb.jp
64.6.28.24	A	travelweb.com.mx
64.6.28.25	A	book.flexrez.com
64.6.28.26	A	priceline.mobi
64.6.28.26	A	m.priceline.com
64.6.28.26	A	hotel.priceline.com
64.6.28.27	A	xml.flexrez.com
64.6.28.31	A	deals.lowestfare.com
64.6.28.34	A	media.rezserver.com
64.6.28.35	A	secure.airportrentalcars.com
64.6.28.35	A	airportrentalcars.com
64.6.28.35	A	www.airportrentalcars.com
64.6.28.36	A	rental-automobile.com
64.6.28.36	A	rentlcar.com
64.6.28.36	A	rentalcarguide.us
64.6.28.38	A	reservations.banffhotels.org
64.6.28.38	A	book.officialpethotels.com
64.6.28.38	A	secure.rezserver.com
64.6.28.39	A	www.hotelroom.com
64.6.28.39	A	hotelroom.com
64.6.28.41	A	offers.priceline.com
64.6.28.42	A	priceline.co.in
64.6.28.42	A	pricelinecaribbean.com
64.6.28.42	A	priceline.es
64.6.28.45	A	bookings.mapquest.com
64.6.28.45	A	mapquest.rezserver.com
64.6.28.52	A	www.rentalcar.net
64.6.28.52	A	rentalcar.net
64.6.28.57	A	api.priceline.com
64.6.28.58	A	pclninfo.com
64.6.28.61	A	packages.priceline.com
64.6.28.63	A	book.priceline.com
64.6.28.74	A	pricelinepn.com