Robtex

Up: 115.42.20.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 115.42.20.0/25
Down right: 115.42.20.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
115.42.20.0	PTR	lnk0.lns2.static.adl.esc.net.au
115.42.20.0	A	0-20-42-115.ip.esc.net.au
115.42.20.6	A+PTR	6-20-42-115.ip.esc.net.au
115.42.20.11	PTR	11-20-42-115.ip.esc.net.au
115.42.20.11	A	mail.legalbase.com.au
115.42.20.11	A	mail.fast-loans.com.au
115.42.20.32	A+PTR	32-20-42-115.ip.esc.net.au
115.42.20.63	A+PTR	63-20-42-115.ip.esc.net.au
115.42.20.64	A+PTR	64-20-42-115.ip.esc.net.au
115.42.20.95	A+PTR	95-20-42-115.ip.esc.net.au
115.42.20.105	A+PTR	105-20-42-115.ip.esc.net.au
115.42.20.148	A+PTR	148-20-42-115.ip.esc.net.au
115.42.20.226	A+PTR	226-20-42-115.ip.esc.net.au
115.42.20.228	A+PTR	228-20-42-115.ip.esc.net.au
115.42.20.250	A+PTR	250-20-42-115.ip.esc.net.au