Robtex

Up: 24.156.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 24.156.12.0/25
Down right: 24.156.12.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
24.156.12.0	PTR	24-156-12-0.npg.sta.suddenlink.net
24.156.12.41	PTR	24-156-12-41.bhcycmtk01.com.sta.suddenlink.net
24.156.12.41	A	24-156-12-41.npg.sta.suddenlink.net
24.156.12.41	A	kxpndc1.kxpn.net
24.156.12.42	PTR	24-156-12-42.bhcycmtk01.com.sta.suddenlink.net
24.156.12.42	A	sterlingcorp.co
24.156.12.42	A	sps5.kxpn.net
24.156.12.43	A+PTR	24-156-12-43.npg.sta.suddenlink.net
24.156.12.43	A	xpnapps.com
24.156.12.43	A	sterlingcorp.org
24.156.12.44	PTR	24-156-12-44.bhcycmtk01.com.sta.suddenlink.net
24.156.12.44	A	kxpn.com
24.156.12.44	A	24-156-12-44.npg.sta.suddenlink.net
24.156.12.47	A	mail.vescobhc.com
24.156.12.70	A+PTR	24-156-12-70.npg.sta.suddenlink.net
24.156.12.70	A	oos.kxpn.net
24.156.12.71	A+PTR	24-156-12-71.npg.sta.suddenlink.net
24.156.12.71	A	kxpndc3.kxpn.net
24.156.12.72	PTR	24-156-12-72.bhcycmtk01.com.sta.suddenlink.net
24.156.12.72	A	24-156-12-72.npg.sta.suddenlink.net
24.156.12.74	PTR	24-156-12-74.npg.sta.suddenlink.net
24.156.12.74	A	edwardmeijer.com
24.156.12.74	A	sterlingcorp.com
24.156.12.131	A	qualityhtg.com
24.156.12.131	A	www.qualityhtg.com
24.156.12.138	A+PTR	24-156-12-138.npg.sta.suddenlink.net
24.156.12.138	A	da2.kxpn.net
24.156.12.140	PTR	edge2.xpn.net
24.156.12.140	A	h2oasisautospa.net
24.156.12.140	A	h2oasisautospa.com
24.156.12.141	A+PTR	edge2.xpn.net
24.156.12.141	A	h2oasisautospa.net
24.156.12.141	A	h2oasisautospa.com
24.156.12.168	PTR	24-156-12-168.npg.sta.suddenlink.net
24.156.12.217	PTR	24-156-12-217.npg.sta.suddenlink.net
24.156.12.217	A	mail.nsauth.com
24.156.12.217	A	mail.bsc-mail.com
24.156.12.218	PTR	24-156-12-218.npg.sta.suddenlink.net