Robtex

Up: 203.27.104.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.27.104.0/24
Down right: 203.27.105.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.27.105.2	A	mx1.bcec.com.au
203.27.105.2	A	mail1.bcec.com.au
203.27.105.8	A	whatson.bcec.com.au
203.27.105.10	A	vpn.bcec.com.au
203.27.105.22	A+PTR	mx2.bcec.com.au
203.27.105.25	A+PTR	mx3.bcec.com.au
203.27.105.31	PTR	bcec.com.au
203.27.105.31	A+PTR	bftp.bcec.com.au
203.27.105.31	A+PTR	bidexample.bcec.com.au
203.27.105.50	A	mdm.bcec.com.au
203.27.105.51	A+PTR	trn.bcec.com.au
203.27.105.51	A+PTR	web.bcec.com.au
203.27.105.51	A+PTR	www.bcec.com.au
203.27.105.53	A	mtn.bcec.com.au
203.27.105.60	A+PTR	ns1.brisconex.com.au
203.27.105.61	A	ns2.brisconex.com.au