Robtex

Up: 64.18.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 64.18.32.0/21
Down right: 64.18.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.18.33.9	A+PTR	accmailmarshal.access-k12.org
64.18.33.9	A	mailspam.access-k12.org
64.18.33.69	PTR	lunchbox.austintown.k12.oh.us
64.18.33.101	A	albert.access-k12.org
64.18.33.107	A	www.sstr5.org
64.18.33.107	A	mahoningfcfc.org
64.18.33.112	A	www.columbiana.k12.oh.us
64.18.33.112	A	columbianaschools.org
64.18.33.115	PTR	web.eastliverpool.k12.oh.us
64.18.33.115	A	eastliverpool.k12.oh.us
64.18.33.126	A	epschools.k12.oh.us
64.18.33.141	A	r3000filter.access-k12.org
64.18.33.148	PTR	www.leetonia.k12.oh.us
64.18.33.160	PTR	tec.access-k12.org
64.18.33.184	A	parentaccess.access-k12.org
64.18.33.190	A	servtlc.access-k12.org
64.18.33.242	A+PTR	www.springfield.k12.oh.us
64.18.33.242	PTR	www.springfieldelem.k12.oh.us
64.18.33.242	A	springfieldlocal.us
64.18.33.243	A	austintown.k12.oh.us
64.18.34.5	A	mvoc.k12.oh.us
64.18.34.12	A	www.westernreserve.k12.oh.us
64.18.34.19	A	www.wbwarriors.org
64.18.34.22	A	www.ycsd.k12.oh.us
64.18.34.26	A	fareastregion.k12.oh.us
64.18.34.27	A	www.heartland.k12.oh.us
64.18.34.32	A	wbhs.k12.oh.us
64.18.34.35	A	www.stjoseph.k12.oh.us
64.18.34.40	A	www.unlimitedclassroom.k12.oh.us
64.18.35.52	A	polandsecurity.com
64.18.47.2	A	catalog.libraryvisit.org
64.18.47.3	PTR	libraryemail.libraryvisit.org
64.18.47.3	A+PTR	mail.libraryvisit.org
64.18.47.3	A	autodiscover.libraryvisit.org
64.18.47.246	PTR	www.libraryvisit.com
64.18.47.246	A+PTR	www.libraryvisit.org