Robtex

Up: 203.12.80.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.12.80.0/24
Down right: 203.12.81.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.12.80.1	A+PTR	hutsnet1.hutch.com.au
203.12.80.1	A	hutchison.net.au
203.12.80.1	A	www.hutch.com.au
203.12.80.2	A	hutsnet2.hutch.com.au
203.12.80.13	A+PTR	snet2.hutchison.com.au
203.12.80.18	A	tech.hutch.net.au
203.12.80.20	A	ftp.hutchison.com.au
203.12.80.22	A	setup.hutch.com.au
203.12.80.23	A	test.hutch.com.au
203.12.80.24	A+PTR	mail.hutch.com.au
203.12.80.24	A	mail.hutch.net.au
203.12.80.24	A	mail.hutchison.net.au
203.12.80.44	A+PTR	dns1.hutchison.com.au
203.12.80.45	A+PTR	dns2.hutchison.com.au
203.12.80.80	A	www.hutch.net.au
203.12.80.80	A	hutch.net.au
203.12.80.80	A	red.hutchison.com.au
203.12.80.91	A	mobilemail.vodafone.com.au
203.12.80.220	A	hutsgate66.hutch.com.au
203.12.80.221	A	hutsgate6.hutch.com.au
203.12.80.248	A	hsrp-border.hutch.com.au