Robtex

Up: 128.189.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 128.189.0.0/21
Down right: 128.189.8.0/21

IP	Type	Hostname
128.189.0.0	PTR	bc.net
128.189.4.1	A+PTR	jade.bc.net
128.189.4.1	A+PTR	ns1.bc.net
128.189.4.1	A	jade.bcnet.bc.ca
128.189.4.2	PTR	admin.bc.net
128.189.4.3	A+PTR	office.bc.net
128.189.4.21	A	tech1.bc.net
128.189.4.22	A	tech2.bc.net
128.189.4.23	A	tech3.bc.net
128.189.4.24	A	tech4.bc.net
128.189.4.254	A	bcnetlr-dns.hc.bc.net
128.189.5.3	A	mailgw-s.bc.net