Robtex

Up: 203.58.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.58.28.0/23
Down right: 203.58.30.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.58.28.1	PTR	syd14-56k-001.tpgi.com.au
203.58.28.1	A	cloverbuilt.com.au
203.58.28.7	PTR	syd14-56k-007.tpgi.com.au
203.58.28.7	A	thehomeoffinancialplanning.com
203.58.28.7	A	thehomeoffinancialplanning.net
203.58.28.10	A	jaycollierphotography.com
203.58.28.19	PTR	mail.iec.com.au
203.58.28.29	PTR	mail.iec.com.au
203.58.28.46	PTR	alyssia.tpgi.com.au
203.58.28.46	A	mail.tepc.com.au
203.58.28.46	A	mail.plasback.com.au
203.58.28.97	PTR	linkerbarker.com.au
203.58.28.162	PTR	mail.bcac.com.au
203.58.28.202	A	syd14-56k-202.tpgi.com.au
203.58.28.240	A	syd14-56k-240.tpgi.com.au
203.58.28.254	PTR	smtp.ljh.com.au
203.58.29.84	PTR	mail.maservices.com.au
203.58.29.186	PTR	www.dindas.com.au
203.58.29.188	PTR	mail.dindas.com.au
203.58.29.190	PTR	mail.dindas.com.au
203.58.31.44	PTR	win-56k-044.tpgi.com.au
203.58.31.53	PTR	win-56k-053.tpgi.com.au
203.58.31.57	PTR	win-56k-057.tpgi.com.au
203.58.31.69	PTR	bar-56k-069.tpgi.com.au
203.58.31.83	PTR	bar-56k-083.tpgi.com.au
203.58.31.90	PTR	bar-56k-090.tpgi.com.au
203.58.31.98	PTR	bar-56k-098.tpgi.com.au
203.58.31.108	A+PTR	bar-56k-108.tpgi.com.au
203.58.31.111	PTR	bar-56k-111.tpgi.com.au
203.58.31.113	PTR	bar-56k-113.tpgi.com.au
203.58.31.116	A+PTR	bar-56k-116.tpgi.com.au
203.58.31.117	PTR	bar-56k-117.tpgi.com.au
203.58.31.129	A+PTR	ric-56k-129.tpgi.com.au
203.58.31.130	PTR	ric-56k-130.tpgi.com.au
203.58.31.152	PTR	ric-56k-152.tpgi.com.au
203.58.31.156	PTR	mail.richmond.qld.gov.au
203.58.31.157	PTR	ric-sat-gw2.tpgi.com.au
203.58.31.158	A+PTR	ric-ts1-2500.tpgi.com.au
203.58.31.194	PTR	sck-56k-194.tpgi.com.au
203.58.31.202	A	sck-56k-202.tpgi.com.au
203.58.31.203	A	sck-56k-203.tpgi.com.au
203.58.31.208	A	sck-56k-208.tpgi.com.au
203.58.31.216	PTR	sck-56k-216.tpgi.com.au
203.58.31.217	PTR	sck-56k-217.tpgi.com.au