Robtex

Up: 172.255.224.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 172.255.224.0/25
Down right: 172.255.224.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
172.255.224.29	A	*.ibew46.com
172.255.224.36	A	c11.travelpayouts.com
172.255.224.36	A	c57.travelpayouts.com
172.255.224.36	A	c21.travelpayouts.com
172.255.224.44	A	direct.hotellook.com
172.255.224.44	A	hotelook.ru
172.255.224.70	A	hydra.onlinetechsupport24.com
172.255.224.220	A	bee-freelancer.com