Robtex

Up: 66.114.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 66.114.248.0/22
Down right: 66.114.252.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.114.248.4	A+PTR	beta.serve.net
66.114.248.8	A+PTR	webster.serve.net
66.114.248.11	PTR	tock.serve.net
66.114.248.12	A	tick.serve.net
66.114.248.14	A	www.feraphotography.com
66.114.248.14	A	moreymanagement.com
66.114.248.14	A	www.toxicmedia.com
66.114.248.16	PTR	web2016.serve.net
66.114.248.16	A	www.feraphotography.com
66.114.248.16	A	sterlux.com
66.114.248.20	PTR	ns1.serve.net
66.114.248.24	A+PTR	ns0.serve.net
66.114.248.30	A+PTR	mrclean.serve.net
66.114.248.30	A	mail.customer.net
66.114.248.33	PTR	flipper.serve.net
66.114.248.34	PTR	cupid.customer.net
66.114.248.35	PTR	poseidon.customer.net
66.114.248.40	PTR	saturn.serve.net
66.114.248.42	A+PTR	neptune.customer.net
66.114.248.43	A+PTR	mercury.serve.net
66.114.248.44	A	mail.customer.net
66.114.248.44	A	ajax.serve.net
66.114.248.50	A+PTR	bsf1.customer.net
66.114.248.50	A	mail.customer.net
66.114.248.50	A	mx.customer.net
66.114.248.51	PTR	bsf2.customer.net
66.114.248.51	A	mail.customer.net
66.114.248.51	A	mx.customer.net
66.114.248.60	A	s60.serve.net
66.114.248.63	A	s63.serve.net
66.114.248.65	A+PTR	forums.zis.com
66.114.248.66	PTR	csucivolleyball.zis.com
66.114.248.115	A	d115.serve.net
66.114.248.123	PTR	focal-ds3.serve.net
66.114.248.132	PTR	adslr004.serve.net
66.114.248.137	PTR	adslr009.serve.net
66.114.248.144	PTR	adslr016.serve.net
66.114.248.152	PTR	adslr024.serve.net
66.114.248.155	PTR	adslr027.serve.net
66.114.248.163	PTR	dialr003.serve.net
66.114.248.169	PTR	dialr009.serve.net
66.114.248.171	PTR	dialr011.serve.net
66.114.248.214	PTR	dsl-moss.serve.net
66.114.248.242	PTR	mail.snidermancpa.com
66.114.249.39	A	uranus.serve.net
66.114.249.45	A+PTR	maxwell.serve.net
66.114.250.121	PTR	mail121.pareatingleep.com
66.114.252.59	A	sf.innoftheanasazi.com
66.114.252.96	PTR	account1.iohost.com
66.114.252.129	A	chat.itzamatch.com
66.114.252.131	A	clicktionary.de
66.114.252.131	A	mail.clicktionary.de
66.114.252.139	A	movielearn-shop.com
66.114.252.149	A	ns1.bigfoot.com
66.114.252.158	A	ns2.bigfoot.com
66.114.252.158	A	ns0.bigfoot.com
66.114.252.216	A	ipadulator.com
66.114.252.220	A	*.stones.com
66.114.252.224	PTR	litemail08.bigfoot.com
66.114.252.224	A	mail.bigfoot.com
66.114.252.228	PTR	litemail12.bigfoot.com
66.114.252.229	PTR	litemail10.bigfoot.com
66.114.252.229	A	mail.bigfoot.com
66.114.252.236	A	goodiegood.com
66.114.252.245	A	mail3.itzamatch.com
66.114.252.251	PTR	litemail11.bigfoot.com
66.114.252.251	A	mail.bigfoot.com
66.114.252.251	A	mail2.bigfoot.com
66.114.252.252	PTR	litemail09.bigfoot.com
66.114.252.252	A	mail.bigfoot.com
66.114.252.252	A	mail2.bigfoot.com
66.114.254.36	A	conejo.tec.ca.us
66.114.255.96	PTR	66-114-255-96.focaldata.net
66.114.255.128	PTR	66-114-255-128.focaldata.net