Robtex

Up: 24.221.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 24.221.40.0/22
Down right: 24.221.44.0/22

IP	Type	Hostname
24.221.40.0	PTR	24-221-40-0.pools.static.spcsdns.net
24.221.40.6	A	24-221-40-6.pools.static.spcsdns.net
24.221.40.53	A	24-221-40-53.pools.static.spcsdns.net
24.221.40.66	A+PTR	24-221-40-66.pools.static.spcsdns.net
24.221.40.69	A	24-221-40-69.pools.static.spcsdns.net
24.221.40.106	A+PTR	24-221-40-106.pools.static.spcsdns.net
24.221.40.107	A+PTR	24-221-40-107.pools.static.spcsdns.net
24.221.40.131	A+PTR	24-221-40-131.pools.static.spcsdns.net
24.221.40.138	A+PTR	24-221-40-138.pools.static.spcsdns.net
24.221.40.152	A+PTR	24-221-40-152.pools.static.spcsdns.net
24.221.40.155	A+PTR	24-221-40-155.pools.static.spcsdns.net
24.221.40.178	A+PTR	24-221-40-178.pools.static.spcsdns.net
24.221.40.179	A+PTR	24-221-40-179.pools.static.spcsdns.net
24.221.40.187	A+PTR	24-221-40-187.pools.static.spcsdns.net
24.221.40.196	A	24-221-40-196.pools.static.spcsdns.net
24.221.40.203	A+PTR	24-221-40-203.pools.static.spcsdns.net
24.221.40.213	A	24-221-40-213.pools.static.spcsdns.net
24.221.40.236	A	24-221-40-236.pools.static.spcsdns.net
24.221.40.248	A+PTR	24-221-40-248.pools.static.spcsdns.net
24.221.40.255	A	24-221-40-255.pools.static.spcsdns.net