Robtex

Up: 23.94.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.94.248.0/23
Down right: 23.94.250.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
23.94.248.15	PTR	23-94-248-15-host.colocrossing.com
23.94.248.24	PTR	23-94-248-24-host.colocrossing.com
23.94.248.36	PTR	23-94-248-36-host.colocrossing.com
23.94.248.46	PTR	23-94-248-46-host.colocrossing.com
23.94.248.53	PTR	23-94-248-53-host.colocrossing.com
23.94.248.57	PTR	23-94-248-57-host.colocrossing.com
23.94.248.59	PTR	23-94-248-59-host.colocrossing.com
23.94.248.82	PTR	23-94-248-82-host.colocrossing.com
23.94.248.137	PTR	23-94-248-137-host.colocrossing.com
23.94.248.137	A	coordinus.com
23.94.248.138	A	knowpakistan.net
23.94.248.150	PTR	23-94-248-150-host.colocrossing.com
23.94.248.150	A	dimer-interactive.com
23.94.248.151	PTR	23-94-248-151-host.colocrossing.com
23.94.248.151	A	0-belix.com
23.94.248.154	A	ludomelo.com
23.94.248.154	A	lafco.biz
23.94.248.154	A	ludomelo.net
23.94.248.159	PTR	23-94-248-159-host.colocrossing.com
23.94.248.159	A	mommystudio.com
23.94.248.163	PTR	23-94-248-163-host.colocrossing.com
23.94.248.163	A	kidmincare.com
23.94.248.200	PTR	23-94-248-200-host.colocrossing.com
23.94.249.69	PTR	23-94-249-69-host.colocrossing.com
23.94.249.132	PTR	mail.newlightit.com
23.94.249.132	A	newlightit.com
23.94.249.133	A	ns2.newlightit.com
23.94.249.133	A	ns1.newlightit.com
23.94.249.134	A	xn--80aaihr7biaj.xn--p1ai
23.94.249.142	PTR	host.colocrossing.com
23.94.249.142	A	ns3.pjay.eu
23.94.249.142	A	mx3.pjay.eu
23.94.249.147	A	8y4.net
23.94.249.153	A	www.trinity.rocks
23.94.249.153	A	thsstudent.com
23.94.249.153	A	trinity.rocks
23.94.249.163	A	irc.resecurity.net
23.94.249.168	PTR	host.colocrossing.com
23.94.249.171	A+PTR	vpn.1e100.ca
23.94.249.173	A	mail.munchonthese.com
23.94.249.175	PTR	host.colocrossing.com
23.94.249.177	A	ns3.dakineventures.com
23.94.249.178	PTR	host.colocrossing.com
23.94.249.178	A	halflife3.co
23.94.249.200	A	s001.hosticious.com
23.94.249.200	A	mail.repairos.com
23.94.249.200	A	repairos.com
23.94.249.208	PTR	host.colocrossing.com
23.94.249.208	A	gitapk.com
23.94.249.208	A	wallpaper-center.com
23.94.249.217	PTR	host.colocrossing.com
23.94.249.217	A	jhquest.net
23.94.249.229	A	davidxie.com
23.94.249.230	PTR	host.colocrossing.com
23.94.249.236	PTR	host.colocrossing.com
23.94.249.236	A	b.s102-www.hedwigvillagehoustonhomes.com
23.94.249.236	A	hostmaster.theoaksofinwood.com
23.94.249.237	PTR	host.colocrossing.com
23.94.249.248	A	typpd.com
23.94.249.249	A	qgpmarkets.com
23.94.249.251	PTR	host.colocrossing.com
23.94.249.252	PTR	host.colocrossing.com
23.94.249.252	A	www.tianya.im
23.94.249.253	A	banriona.net
23.94.249.253	A	banriona.com
23.94.250.78	PTR	23-94-250-78-host.colocrossing.com
23.94.250.78	A	ns1.balochimp3.com
23.94.250.79	PTR	23-94-250-79-host.colocrossing.com
23.94.250.80	A	moviewatchonline.org
23.94.250.109	PTR	23-94-250-109-host.colocrossing.com
23.94.250.109	A	fansiculture.com
23.94.250.133	A	3wod.com
23.94.250.150	PTR	host.colocrossing.com
23.94.250.157	A	ns1.kickmyapps.com
23.94.250.158	A	ns2.kickmyapps.com
23.94.250.204	PTR	23-94-250-204-host.colocrossing.com
23.94.250.206	PTR	23-94-250-206-host.colocrossing.com
23.94.250.223	PTR	23-94-250-223-host.colocrossing.com
23.94.250.241	A	mail.thuannguyen.info
23.94.250.241	A	thuannguyen.info
23.94.251.22	PTR	23-94-251-22-host.colocrossing.com
23.94.251.92	PTR	host.colocrossing.com
23.94.251.114	PTR	host.colocrossing.com
23.94.251.118	A	latitude.dnxserver.net
23.94.251.128	A	mail.forkunique.com
23.94.251.128	A	forkunique.com