Robtex

Up: 115.70.128.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 115.70.128.0/25
Down right: 115.70.128.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
115.70.128.0	A+PTR	0.128.70.115.static.exetel.com.au
115.70.128.20	A+PTR	20.128.70.115.static.exetel.com.au
115.70.128.68	A+PTR	68.128.70.115.static.exetel.com.au
115.70.128.69	A+PTR	69.128.70.115.static.exetel.com.au
115.70.128.69	A	mailserver.helens.id.au
115.70.128.69	A	adrians.id.au
115.70.128.70	A	rdsys.biz
115.70.128.91	A+PTR	91.128.70.115.static.exetel.com.au
115.70.128.91	A	jinksnet.org
115.70.128.177	A+PTR	177.128.70.115.static.exetel.com.au