Robtex

Up: 68.234.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 68.234.48.0/21
Down right: 68.234.56.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
68.234.51.1	PTR	1-51-234-68.static.stingcomm.net
68.234.51.13	A	exchange.pcam.org
68.234.52.2	A	outbound.ccsd.k12.pa.us
68.234.52.4	A	www.ccsd.k12.pa.us
68.234.52.4	A	www.cchs.k12.pa.us
68.234.52.4	A	ccsd.k12.pa.us
68.234.52.23	PTR	www.cchs.k12.pa.us
68.234.52.23	A	cencam.org
68.234.52.23	A	cchs.k12.pa.us
68.234.53.13	PTR	eagle.tyrone.k12.pa.us
68.234.53.25	A	dns1.tyrone.k12.pa.us
68.234.54.3	A+PTR	mailrelay3.aasdcat.com
68.234.54.11	A+PTR	mailrelay2.aasdcat.com
68.234.54.21	PTR	mail.aasdcat.com
68.234.54.30	A	act48admin.aasdcat.com
68.234.54.32	A	altoonasd.com
68.234.54.32	A	www.altoonasd.com
68.234.54.32	A	mail.altoonasd.com
68.234.54.39	A	jgap.aasdcat.com
68.234.54.40	PTR	mail.altoonasd.com
68.234.54.50	A	ns1.aasdcat.com
68.234.54.50	A	dns.aasdcat.com
68.234.54.88	A	owa.aasdcat.com
68.234.56.6	A+PTR	ns.csonline.net
68.234.56.7	PTR	ns2.csonline.net
68.234.56.8	PTR	www.clarion-net.com
68.234.56.8	PTR	www.cosmosbbs.com
68.234.56.8	PTR	www.galacticis.com
68.234.56.9	PTR	users.csonline.net
68.234.56.9	PTR	web.csonline.net
68.234.56.20	A+PTR	mxg1.csonline.net
68.234.56.21	A+PTR	mxg2.csonline.net
68.234.56.22	A+PTR	mxg3.csonline.net
68.234.56.25	A	mx1.csonline.net
68.234.56.45	A	webmail.wcinfo.com
68.234.56.61	A+PTR	phoenix.csonline.net
68.234.57.5	A	ns1.valuekinghosting.com
68.234.57.5	A	mail.changingtimestelephone.com
68.234.57.5	A	mail.valuekinghosting.com
68.234.57.6	A	ns2.valuekinghosting.com
68.234.57.50	A+PTR	www.radioadv.com
68.234.57.51	A	www.cshowcase.com
68.234.57.130	A+PTR	smtp.csonline.net
68.234.57.135	A+PTR	cosmosbbs.com
68.234.57.135	PTR	csonline.net
68.234.57.135	A+PTR	mail.cosmosbbs.com
68.234.57.148	A	cchspets.org
68.234.57.153	A	mail.clarion-net.com
68.234.57.153	A	alpha.clarion-net.com
68.234.57.159	A	eandk.net
68.234.57.163	A+PTR	galacticis.com
68.234.57.163	A+PTR	surf.galacticis.com
68.234.57.164	A	mail.gremlan.org
68.234.57.165	A	harringtonmachine.com
68.234.57.180	A	ststephen-school.com
68.234.57.186	A	venangomuseum.org
68.234.57.203	A	vogues.com