Robtex

Up: 199.241.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 199.241.248.0/22
Down right: 199.241.252.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.241.252.19	PTR	19.252.241.199.adstx.net
199.241.252.19	A	*.elcentrochc.org
199.241.252.19	A	elcentrochc.org
199.241.252.39	A	mail.america.eni.it
199.241.252.92	A	mail.thriveintelligence.com
199.241.252.130	PTR	130.252.241.199.adstx.net
199.241.252.130	A	mx10.staplesmerchantservices.com
199.241.252.130	A	mail.prodigypaymentsystems.com
199.241.252.138	PTR	138.252.241.199.adstx.net
199.241.252.138	A	mysalessource.com
199.241.252.138	A	www.mysalessource.com
199.241.252.139	PTR	139.252.241.199.adstx.net
199.241.252.139	A	mymerchantzone.com
199.241.252.139	A	www.mymerchantzone.com
199.241.253.6	A	exchange.fabcous.net
199.241.253.6	A	fabcous.net
199.241.253.9	PTR	assocationservicesteam.com
199.241.253.9	PTR	dt-construction.com
199.241.253.9	PTR	meetingsonpointe.com
199.241.253.43	PTR	43.253.241.199.adstx.net
199.241.253.43	A	mail.austex.com
199.241.253.43	A	mail.aus-tex.com
199.241.253.58	A	mail2.powerreps.com
199.241.253.115	A+PTR	s2.tcri.net
199.241.253.115	A	mail.tcri.net
199.241.253.115	A	smtp.tcri.net
199.241.253.146	PTR	146.253.241.199.adstx.net
199.241.253.195	A	exchange.greenwoodking.com
199.241.253.200	PTR	200.253.241.199.adstx.net
199.241.253.200	A	xchange.greenwoodking.com
199.241.253.245	A	300p.uniteddc.com
199.241.253.251	A	mail.stedmanwest.com
199.241.253.251	A	last.stedmanwest.com
199.241.255.54	A	mail.upstreampro.com
199.241.255.54	A	tampumper.com
199.241.255.54	A	mail.totalstream.com
199.241.255.56	PTR	56.255.241.199.adstx.net
199.241.255.56	A	gruponace.com
199.241.255.56	A	smartculture.org
199.241.255.57	PTR	mail.raptor.mcmus.com
199.241.255.154	A	mail2.aastexas.com
199.241.255.202	A+PTR	remote.ppcloan.com
199.241.255.202	A	mail.ppcloan.com
199.241.255.208	PTR	208.255.241.199.adstx.net
199.241.255.216	PTR	216.255.241.199.adstx.net
199.241.255.224	PTR	224.255.241.199.adstx.net