Robtex

Up: 24.33.128.0/17
Can't show all results, try to descend to a more specific CIDR
Down left: 24.33.192.0/19
Down right: 24.33.224.0/19
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
24.33.195.25	PTR	mta-24-33-195-25.columbus.rr.com
24.33.195.26	PTR	mta-24-33-195-26.columbus.rr.com
24.33.199.65	PTR	mta-24-33-199-65.columbus.rr.com
24.33.199.192	PTR	mta-24-33-199-192.columbus.rr.com
24.33.215.65	PTR	mta-24-33-215-65.natcky.rr.com
24.33.224.13	PTR	clewohkz01w.bcs.neo.rr.com
24.33.224.173	A	mail.roberthague.net
24.33.224.228	A	mntroh1-swt925.div.neo.rr.com
24.33.227.17	PTR	oob-qt600-1-boardman-pop.mw.twcbiz.com
24.33.228.0	A	cpe-24-33-228-0.insight.res.rr.com
24.33.228.28	A+PTR	cpe-24-33-228-28.insight.res.rr.com
24.33.228.28	A	krudu.com
24.33.228.64	A+PTR	cpe-24-33-228-64.insight.res.rr.com
24.33.228.119	PTR	cpe-24-33-228-119.insight.res.rr.com
24.33.229.108	A+PTR	cpe-24-33-229-108.insight.res.rr.com
24.33.229.108	A	ryanmgill.com
24.33.230.153	A+PTR	cpe-24-33-230-153.insight.res.rr.com
24.33.230.219	A+PTR	cpe-24-33-230-219.insight.res.rr.com
24.33.230.219	A	jamesgieske.com
24.33.231.175	A+PTR	cpe-24-33-231-175.insight.res.rr.com
24.33.231.236	A+PTR	cpe-24-33-231-236.insight.res.rr.com
24.33.232.44	PTR	cpe-24-33-232-44.insight.res.rr.com
24.33.233.109	A	gillogly.us
24.33.233.186	A	cpe-24-33-233-186.insight.res.rr.com
24.33.234.6	A	cpe-24-33-234-6.insight.res.rr.com
24.33.235.144	A+PTR	cpe-24-33-235-144.insight.res.rr.com
24.33.236.64	A	mail.12nv.net
24.33.237.159	A+PTR	cpe-24-33-237-159.insight.res.rr.com
24.33.237.225	A+PTR	cpe-24-33-237-225.insight.res.rr.com
24.33.237.225	A	ipock.net
24.33.237.227	A+PTR	cpe-24-33-237-227.insight.res.rr.com
24.33.237.229	A+PTR	cpe-24-33-237-229.insight.res.rr.com
24.33.238.167	A	mail.americanstingray.com
24.33.238.167	A	mail.targetdummies.com
24.33.238.204	A	cpe-24-33-238-204.insight.res.rr.com
24.33.239.147	A+PTR	cpe-24-33-239-147.insight.res.rr.com
24.33.241.3	A+PTR	dnvrco-vl3spare.voip.peakview.rr.com
24.33.241.16	A	dnvrco-dns-02-ilo.voip.peakview.rr.com
24.33.241.226	A	denco-cl1-os2-ncw.voip.peakview.rr.com
24.33.241.229	A	denco-cl1-db3-ncw.voip.peakview.rr.com
24.33.241.230	A	denco-gvue2404-2.voip.peakview.rr.com
24.33.241.238	A	denco-cl1-db2-ncw-ipmi.voip.peakview.rr.com
24.33.243.1	PTR	cpe-24-33-243-1.mi.res.rr.com
24.33.244.100	A	ims.rr.com
24.33.244.104	A	ims.rr.com
24.33.244.104	A	den02-pcscf.ims.rr.com
24.33.244.104	A	den02-scscf.ims.rr.com
24.33.246.44	PTR	cpe-24-33-246-44.mi.res.rr.com
24.33.246.74	A	xspca.spectrumenterprise.net
24.33.246.114	A+PTR	vm01.hv.rr.com
24.33.251.0	PTR	cpe-24-33-251-0.indy.res.rr.com
24.33.254.193	PTR	cpe-24-33-254-193.indy.res.rr.com
24.33.255.0	PTR	cpe-24-33-255-0.indy.res.rr.com
24.33.255.197	A	demink.org