Robtex

Up: 121.44.144.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 121.44.144.0/23
Down right: 121.44.146.0/23

IP	Type	Hostname
121.44.145.49	A+PTR	ppp121-44-145-49.lns20.syd7.internode.on.net
121.44.145.82	A	kzrl.org
121.44.145.91	A	berithroad.com
121.44.145.123	A	ppp121-44-145-123.lns20.syd7.internode.on.net
121.44.145.227	PTR	ppp121-44-145-227.lns20.syd7.internode.on.net
121.44.145.251	A+PTR	ppp121-44-145-251.lns20.syd7.internode.on.net
121.44.145.253	PTR	ppp121-44-145-253.lns20.syd7.internode.on.net
121.44.145.253	A	hux.id.au
121.44.146.141	PTR	ppp121-44-146-141.lns20.syd7.internode.on.net
121.44.146.218	PTR	ppp121-44-146-218.lns20.syd7.internode.on.net
121.44.147.81	A	ppp121-44-147-81.lns20.syd7.internode.on.net