Robtex

Up: 78.141.172.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 78.141.172.0/25
Down right: 78.141.172.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
78.141.172.0	PTR	ip-78-141-172-0.static.luxdsl.pt.lu
78.141.172.67	PTR	mail.happysnacks.lu
78.141.172.75	PTR	webmail.cev.lu
78.141.172.83	PTR	mail2.camca.lu
78.141.172.175	PTR	ip-78-141-172-175.static.luxdsl.pt.lu
78.141.172.178	A	mail.ogbl.lu
78.141.172.178	A	mail.ogbl.org
78.141.172.178	A	mail.ogb-l.lu
78.141.172.181	PTR	mail.ogbl.lu
78.141.172.194	PTR	ip-78-141-172-194.static.luxdsl.pt.lu
78.141.172.194	A	exchange.robin.lu
78.141.172.195	PTR	exchange.robin.lu
78.141.172.197	PTR	umail.robin.lu
78.141.172.203	PTR	ip-78-141-172-203.static.luxdsl.pt.lu
78.141.172.203	A	openu2f.com
78.141.172.203	A	openotp.org
78.141.172.226	PTR	ip-78-141-172-226.static.luxdsl.pt.lu
78.141.172.227	A+PTR	mail.felten-stein.lu
78.141.172.227	A	mail.feltenstein.lu