Robtex

Up: 83.172.178.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 83.172.178.0/25
Down right: 83.172.178.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
83.172.178.14	A	mail14.antenna.nl
83.172.178.14	A	webmail.duckworld.dk
83.172.178.14	A	mail10.antenna.nl
83.172.178.21	A+PTR	ns1.itbellehosting.nl
83.172.178.21	A	tessabakker.nl
83.172.178.21	A	mail.itbelle.nl