Robtex

Up: 220.245.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 220.245.48.0/23
Down right: 220.245.50.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.245.48.13	A+PTR	220-245-48-13.static.tpgi.com.au
220.245.48.27	A+PTR	220-245-48-27.static.tpgi.com.au
220.245.48.42	A+PTR	220-245-48-42.static.tpgi.com.au
220.245.48.67	A+PTR	220-245-48-67.static.tpgi.com.au
220.245.48.67	A	mail3.9chd.com
220.245.48.67	A	backupmail.illawarracoatings.com
220.245.48.154	A+PTR	220-245-48-154.static.tpgi.com.au
220.245.48.182	PTR	msm.qld.edu.au
220.245.48.186	PTR	msm.qld.edu.au
220.245.48.238	A+PTR	220-245-48-238.static.tpgi.com.au
220.245.48.251	PTR	mail.tonyhillconsulting.com.au
220.245.49.7	PTR	mail.northwestpackaging.com
220.245.49.7	A	mail2.mcphersonpackaging.com.au
220.245.49.25	A+PTR	220-245-49-25.static.tpgi.com.au
220.245.50.5	A+PTR	220-245-50-5.static.tpgi.com.au
220.245.50.75	A+PTR	220-245-50-75.static.tpgi.com.au
220.245.51.51	A+PTR	220-245-51-51.static.tpgi.com.au
220.245.51.140	A+PTR	220-245-51-140.static.tpgi.com.au
220.245.51.160	A+PTR	220-245-51-160.static.tpgi.com.au
220.245.51.173	PTR	220-245-51-173.static.tpgi.com.au
220.245.51.212	A+PTR	220-245-51-212.static.tpgi.com.au
220.245.51.229	A+PTR	220-245-51-229.static.tpgi.com.au