Robtex

Up: 24.52.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 24.52.40.0/23
Down right: 24.52.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
24.52.40.0	PTR	host-0-40-52-24.midco.net
24.52.40.24	PTR	host-24-40-52-24.midco.net
24.52.40.24	A	www.mspwebs.com
24.52.40.24	A	oslhuron.org
24.52.40.34	PTR	host-34-40-52-24.midco.net
24.52.40.39	PTR	host-39-40-52-24.midco.net
24.52.40.42	PTR	host-42-40-52-24.midco.net
24.52.40.42	A	mrfluffyd.com
24.52.40.51	PTR	host-51-40-52-24.midco.net
24.52.40.97	PTR	host-97-40-52-24.midco.net
24.52.40.98	PTR	host-98-40-52-24.midco.net
24.52.40.99	PTR	host-99-40-52-24.midco.net
24.52.40.179	PTR	host-179-40-52-24.midco.net
24.52.40.185	PTR	host-185-40-52-24.midco.net
24.52.40.185	A	millenniumsoundproductions.com
24.52.40.185	A	dramstadrefrigeration.com
24.52.40.212	PTR	host-212-40-52-24.midco.net
24.52.40.242	PTR	host-242-40-52-24.midco.net
24.52.41.30	A	stacy3.prga.com
24.52.41.114	PTR	24-52-41-114-dynamic.midco.net
24.52.41.168	PTR	host-168-41-52-24.midco.net
24.52.41.180	PTR	host-180-41-52-24.midco.net
24.52.42.177	A	24-52-42-177.us.warpdriveonline.com
24.52.42.230	PTR	host-230-42-52-24.midco.net
24.52.43.85	PTR	host-85-43-52-24.midco.net
24.52.43.115	PTR	host-115-43-52-24.midco.net
24.52.43.148	PTR	host-148-43-52-24.midco.net
24.52.43.198	PTR	host-198-43-52-24.midco.net
24.52.43.200	PTR	host-200-43-52-24.midco.net
24.52.43.245	PTR	host-245-43-52-24.midco.net
24.52.43.252	PTR	host-252-43-52-24.midco.net