Robtex

Up: 115.42.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 115.42.20.0/23
Down right: 115.42.22.0/23
(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
115.42.21.0	PTR	lnk0.lns2.static.adl.esc.net.au
115.42.21.0	A	0-21-42-115.ip.esc.net.au
115.42.21.6	PTR	6-21-42-115.ip.esc.net.au
115.42.21.223	PTR	223-21-42-115.ip.esc.net.au
115.42.22.0	PTR	lnk0.lns2.static.adl.esc.net.au
115.42.22.0	A	0-22-42-115.ip.esc.net.au
115.42.22.6	PTR	6-22-42-115.ip.esc.net.au
115.42.23.0	PTR	lnk0.lns2.static.adl.esc.net.au
115.42.23.0	A	0-23-42-115.ip.esc.net.au
115.42.23.6	A+PTR	6-23-42-115.ip.esc.net.au
115.42.23.23	A+PTR	23-23-42-115.ip.esc.net.au
115.42.23.31	A+PTR	31-23-42-115.ip.esc.net.au
115.42.23.51	A+PTR	51-23-42-115.ip.esc.net.au
115.42.23.71	A+PTR	71-23-42-115.ip.esc.net.au
115.42.23.81	A+PTR	81-23-42-115.ip.esc.net.au
115.42.23.118	A+PTR	118-23-42-115.ip.esc.net.au
115.42.23.122	A+PTR	122-23-42-115.ip.esc.net.au
115.42.23.132	A+PTR	132-23-42-115.ip.esc.net.au
115.42.23.137	A+PTR	137-23-42-115.ip.esc.net.au
115.42.23.151	A+PTR	151-23-42-115.ip.esc.net.au
115.42.23.154	A+PTR	154-23-42-115.ip.esc.net.au
115.42.23.176	A+PTR	176-23-42-115.ip.esc.net.au
115.42.23.186	A+PTR	186-23-42-115.ip.esc.net.au
115.42.23.196	A+PTR	196-23-42-115.ip.esc.net.au
115.42.23.218	A+PTR	218-23-42-115.ip.esc.net.au
115.42.23.229	A+PTR	229-23-42-115.ip.esc.net.au
115.42.23.235	A+PTR	235-23-42-115.ip.esc.net.au
115.42.23.237	A+PTR	237-23-42-115.ip.esc.net.au