Robtex

Up: 107.172.4.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 107.172.5.0/25
Down right: 107.172.5.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
107.172.5.0	PTR
107.172.5.14	PTR	107-172-5-14-host.colocrossing.com
107.172.5.14	A	cheapmass.net
107.172.5.18	PTR	107-172-5-18-host.colocrossing.com
107.172.5.18	A	tbclclcl.com
107.172.5.18	A	obeix.org
107.172.5.41	PTR	107-172-5-41-host.colocrossing.com
107.172.5.41	A	godtor.ru
107.172.5.41	A	king11.su
107.172.5.54	PTR	107-172-5-54-host.colocrossing.com
107.172.5.66	A	rustzany.com
107.172.5.102	PTR	107-172-5-102-host.colocrossing.com
107.172.5.102	A	artk.net
107.172.5.107	PTR	endurocupmtb.com
107.172.5.109	PTR	107-172-5-109-host.colocrossing.com
107.172.5.109	A	www.tom-cat.com
107.172.5.111	PTR	mlbbb.com
107.172.5.115	PTR	107-172-5-115-host.colocrossing.com
107.172.5.122	PTR	107-172-5-122-host.colocrossing.com
107.172.5.123	PTR	107-172-5-123-host.colocrossing.com
107.172.5.125	PTR	107-172-5-125-host.colocrossing.com
107.172.5.125	A	vpsyz.com
107.172.5.127	PTR	107-172-5-127-host.colocrossing.com
107.172.5.137	PTR	107-172-5-137-host.colocrossing.com
107.172.5.145	PTR
107.172.5.145	A	www.innerbeautydress.com
107.172.5.152	PTR	107-172-5-152-host.colocrossing.com
107.172.5.180	PTR	107-172-5-180-host.colocrossing.com
107.172.5.180	A	aercrack0.com
107.172.5.180	A	largerthanlifestudio.com
107.172.5.185	PTR	107-172-5-185-host.colocrossing.com
107.172.5.185	A	mail.colectionagency.com
107.172.5.185	A	colectionagency.com
107.172.5.198	A+PTR	thelushleafcollective.com
107.172.5.203	PTR	toyotires.com
107.172.5.222	PTR	107-172-5-222-host.colocrossing.com
107.172.5.225	PTR	107-172-5-225-host.colocrossing.com
107.172.5.225	A	jszqy.com
107.172.5.225	A	www.hnxxz.com
107.172.5.237	PTR	107-172-5-237-host.colocrossing.com
107.172.5.237	A	1024xo.com
107.172.5.248	PTR	107-172-5-248-host.colocrossing.com