Robtex

Up: 192.223.30.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.223.31.0/25
Down right: 192.223.31.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.223.31.1	PTR	r-192-223-31-1.reserved.nfoservers.com
192.223.31.3	A+PTR	c-192-223-31-3.internap-nyc.nfoservers.com
192.223.31.15	PTR	c-192-223-31-15.managed-vds.internap-nyc.nfoservers.com
192.223.31.19	PTR	c-192-223-31-19.reserved.nfoservers.com
192.223.31.21	A+PTR	c-192-223-31-21.internap-nyc.nfoservers.com
192.223.31.24	A+PTR	c-192-223-31-24.internap-nyc.nfoservers.com
192.223.31.31	A+PTR	c-192-223-31-31.internap-nyc.nfoservers.com
192.223.31.34	A	mcsiege.com
192.223.31.34	A	mc-sabotage.com
192.223.31.37	A+PTR	c-192-223-31-37.internap-nyc.nfoservers.com
192.223.31.57	PTR	c-192-223-31-57.reserved.nfoservers.com
192.223.31.58	A+PTR	c-192-223-31-58.internap-nyc.nfoservers.com
192.223.31.72	A+PTR	c-192-223-31-72.internap-nyc.nfoservers.com
192.223.31.74	A+PTR	c-192-223-31-74.internap-nyc.nfoservers.com
192.223.31.74	A	matthewjpanton.com
192.223.31.74	A	matthewandchantilly.com
192.223.31.82	PTR	c-192-223-31-82.reserved.nfoservers.com
192.223.31.82	A	yaricraft.com
192.223.31.82	A	pacificfleetmilsim.com
192.223.31.84	PTR	c-192-223-31-84.reserved.nfoservers.com
192.223.31.84	A	upit.ga
192.223.31.90	A+PTR	c-192-223-31-90.internap-nyc.nfoservers.com
192.223.31.93	A+PTR	c-192-223-31-93.internap-nyc.nfoservers.com
192.223.31.94	PTR	c-192-223-31-94.reserved.nfoservers.com
192.223.31.95	PTR	c-192-223-31-95.reserved.nfoservers.com
192.223.31.98	PTR	c-192-223-31-98.reserved.nfoservers.com
192.223.31.106	PTR	c-192-223-31-106.reserved.nfoservers.com
192.223.31.106	A	ns3.hansenhosted.com
192.223.31.106	A	east.ns.hansenhosted.com
192.223.31.109	A+PTR	c-192-223-31-109.internap-nyc.nfoservers.com
192.223.31.114	PTR	c-192-223-31-114.reserved.nfoservers.com
192.223.31.114	A	iwinuloselol.com
192.223.31.117	PTR	c-192-223-31-117.reserved.nfoservers.com
192.223.31.117	A	mail.emoriastudios.com
192.223.31.117	A	mail.vlbgaming.com
192.223.31.123	A+PTR	v-192-223-31-123.unman-vds.internap-nyc.nfoservers.com
192.223.31.123	A	epiceraconquer.com
192.223.31.135	A	ig-ranonline.com
192.223.31.139	PTR	c-192-223-31-139.reserved.nfoservers.com
192.223.31.141	A	kalolabs.com
192.223.31.156	PTR	c-192-223-31-156.inap-nyc.nfoservers.com
192.223.31.156	A	kitpvp.us
192.223.31.156	A	c-192-223-31-156.internap-nyc.nfoservers.com
192.223.31.159	A+PTR	c-192-223-31-159.internap-nyc.nfoservers.com
192.223.31.170	A+PTR	c-192-223-31-170.internap-nyc.nfoservers.com
192.223.31.172	A+PTR	v-192-223-31-172.unman-vds.internap-nyc.nfoservers.com
192.223.31.172	A	nobsg.com
192.223.31.172	A	rentstj.com
192.223.31.177	A+PTR	c-192-223-31-177.internap-nyc.nfoservers.com
192.223.31.180	A+PTR	c-192-223-31-180.internap-nyc.nfoservers.com
192.223.31.190	A	www.daprogs.com
192.223.31.191	PTR	c-192-223-31-191.reserved.nfoservers.com
192.223.31.193	PTR	c-192-223-31-193.internap-nyc.nfoservers.com
192.223.31.199	A	galaxyflyff.com
192.223.31.204	A	shiptoasting.com
192.223.31.207	A+PTR	c-192-223-31-207.internap-nyc.nfoservers.com
192.223.31.211	A+PTR	c-192-223-31-211.internap-nyc.nfoservers.com
192.223.31.215	A+PTR	c-192-223-31-215.internap-nyc.nfoservers.com
192.223.31.220	A	nexora.net
192.223.31.220	A	mail.nexora.net
192.223.31.222	PTR	hl2.taconbanana.com
192.223.31.230	A+PTR	c-192-223-31-230.internap-nyc.nfoservers.com
192.223.31.242	A+PTR	c-192-223-31-242.managed-ded.internap-nyc.nfoservers.com
192.223.31.248	PTR	c-192-223-31-248.reserved.nfoservers.com
192.223.31.248	A	www.ecj.tf
192.223.31.248	A	ecj.tf
192.223.31.253	A	router.internap-nyc.nfoservers.com
192.223.31.254	A	router.internap-nyc.nfoservers.com
192.223.31.255	A+PTR	broadcast.internap-nyc.nfoservers.com
192.223.31.255	A	broadcast.reserved.nfoservers.com