Robtex

Up: 121.44.112.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 121.44.116.0/23
Down right: 121.44.118.0/23

IP	Type	Hostname
121.44.116.60	PTR	ppp121-44-116-60.syd-gls-har-bras39.tpg.internode.on.net
121.44.117.17	PTR	ppp121-44-117-17.lns20.syd6.internode.on.net
121.44.117.169	PTR	ppp121-44-117-169.lns20.syd6.internode.on.net
121.44.118.34	PTR	ppp121-44-118-34.bras1.syd7.internode.on.net
121.44.118.65	PTR	ppp121-44-118-65.syd-gls-har-bras39.tpg.internode.on.net
121.44.118.65	A	ppp121-44-118-65.bras1.syd7.internode.on.net
121.44.118.245	PTR	ppp121-44-118-245.lns20.syd6.internode.on.net
121.44.119.49	A+PTR	ppp121-44-119-49.bras1.syd7.internode.on.net