Robtex

Up: 100.42.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 100.42.144.0/21
Down right: 100.42.152.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
100.42.144.5	A+PTR	ns1.artelco.com
100.42.144.9	PTR	dns2.artelco.com
100.42.144.9	A	ns1.artelco.com
100.42.144.9	A	ns2.artelco.com
100.42.144.72	A	daserver.dawsonaircraft.com
100.42.144.83	PTR	static.83.144.42.100.in-addr.arpa
100.42.144.90	PTR	static.90.144.42.100.in-addr.arpa
100.42.144.99	PTR	static.99.144.42.100.in-addr.arpa
100.42.144.103	PTR	static
100.42.144.103	A	www.christyscottage.com
100.42.144.103	A	mail.ehsclassof76.com
100.42.144.104	PTR	static.104.144.42.100.in-addr.arpa
100.42.144.123	PTR	mail.ffbcommunityclub.net
100.42.144.125	PTR	static.125.144.42.100.in-addr.arpa
100.42.144.136	PTR	static.136.144.42.100.in-addr.arpa
100.42.144.137	PTR	static.137.144.42.100.in-addr.arpa
100.42.144.183	PTR	static.183.144.42.100.in-addr.arpa
100.42.144.203	PTR	static.203.144.42.100.in-addr.arpa
100.42.144.204	PTR	static
100.42.144.204	A	ozhmc.com
100.42.144.239	PTR	static.239.144.42.100.in-addr.arpa
100.42.144.239	A	ozarkhie.com
100.42.144.245	PTR	static.245.144.42.100.in-addr.arpa
100.42.144.248	A	mail.myozarkhealth.com
100.42.144.248	A	myozarkmail.com
100.42.144.249	A	ohmcmx01.myozarkhealth.com
100.42.153.159	A	snlprofessionalservices.com
100.42.153.159	A	steve-sparr.com
100.42.156.139	A	newsome-camera.com