Robtex

Up: 170.178.190.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 170.178.191.0/25
Down right: 170.178.191.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
170.178.191.18	A	vancouver.bc.ca.undernet.org
170.178.191.18	A	irc.undernet.org
170.178.191.18	A	us.ix.undernet.org
170.178.191.66	A+PTR	dns01.sharktech.net
170.178.191.68	A+PTR	ns1.sharktech.net
170.178.191.69	A+PTR	ns2.sharktech.net
170.178.191.70	A+PTR	rdns1.sharktech.net
170.178.191.71	A+PTR	rdns2.sharktech.net
170.178.191.84	A	www.sharktech.net
170.178.191.84	A	sharktech.net