Robtex

Up: 203.219.100.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.219.100.0/25
Down right: 203.219.100.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.219.100.9	PTR	203-219-100-9.static.tpgi.com.au
203.219.100.30	PTR	203-219-100-30.static.tpgi.com.au
203.219.100.38	PTR	203-219-100-38.static.tpgi.com.au
203.219.100.42	PTR	203-219-100-42.static.tpgi.com.au
203.219.100.50	PTR	203-219-100-50.static.tpgi.com.au
203.219.100.65	PTR	203-219-100-65.static.tpgi.com.au
203.219.100.86	A+PTR	203-219-100-86.static.tpgi.com.au
203.219.100.86	A	mail.nexusbp.com
203.219.100.86	A	nexusbp.com
203.219.100.110	PTR	203-219-100-110.static.tpgi.com.au
203.219.100.118	PTR	203-219-100-118.static.tpgi.com.au
203.219.100.134	A+PTR	203-219-100-134.static.tpgi.com.au
203.219.100.138	A	mwonderland.ath.cx
203.219.100.146	PTR	203-219-100-146.static.tpgi.com.au
203.219.100.166	PTR	203-219-100-166.static.tpgi.com.au
203.219.100.166	A	exchange.shanahan.com.au
203.219.100.190	PTR	203-219-100-190.static.tpgi.com.au
203.219.100.194	PTR	mail.mjwadvertising.com.au
203.219.100.194	A	marinaonepenthouse.com
203.219.100.194	A	mjwhakuhodo.com
203.219.100.206	PTR	203-219-100-206.static.tpgi.com.au
203.219.100.210	PTR	203-219-100-210.static.tpgi.com.au
203.219.100.234	PTR	203-219-100-234.static.tpgi.com.au
203.219.100.242	PTR	203-219-100-242.static.tpgi.com.au
203.219.100.246	PTR	203-219-100-246.static.tpgi.com.au
203.219.100.250	PTR	203-219-100-250.static.tpgi.com.au