Robtex

Up: 203.129.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.129.48.0/23
Down right: 203.129.50.0/23

IP	Type	Hostname
203.129.48.34	A+PTR	ppp-48-34.grapevine.net.au
203.129.48.42	A+PTR	ppp-48-42.grapevine.net.au
203.129.48.117	A+PTR	ppp-48-117.grapevine.net.au
203.129.48.118	A+PTR	ppp-48-118.grapevine.net.au
203.129.48.121	PTR	ppp-48-121.grapevine.net.au
203.129.48.121	A	mail.kablahonline.com
203.129.48.178	A+PTR	ppp-48-178.grapevine.net.au
203.129.48.179	A+PTR	ppp-48-179.grapevine.net.au
203.129.48.185	A+PTR	ppp-48-185.grapevine.net.au
203.129.48.193	A+PTR	ppp-48-193.grapevine.net.au
203.129.48.210	A	ppp-48-210.grapevine.net.au
203.129.48.216	A+PTR	ppp-48-216.grapevine.net.au
203.129.48.222	PTR	ppp-48-222.grapevine.net.au
203.129.48.224	A+PTR	ppp-48-224.grapevine.net.au
203.129.49.1	A+PTR	ppp-49-1.grapevine.net.au
203.129.49.7	PTR	ppp-49-7.grapevine.net.au
203.129.49.31	A+PTR	ppp-49-31.grapevine.net.au
203.129.49.63	A+PTR	ppp-49-63.grapevine.net.au
203.129.49.92	A+PTR	ppp-49-92.grapevine.net.au
203.129.49.103	A	ppp-49-103.grapevine.net.au
203.129.49.129	A+PTR	ppp-49-129.grapevine.net.au
203.129.49.150	A+PTR	ppp-49-150.grapevine.net.au
203.129.49.159	A+PTR	ppp-49-159.grapevine.net.au
203.129.49.206	PTR	203-129-49-206.tpgi.com.au
203.129.49.206	A	ppp-49-206.grapevine.net.au
203.129.50.146	PTR	203-129-50-146.tpgi.com.au
203.129.50.146	A	ppp-50-146.grapevine.net.au
203.129.50.250	A	ppp-50-250.grapevine.net.au
203.129.51.4	PTR	203-129-51-4.tpgi.com.au
203.129.51.4	A	ppp-51-4.grapevine.net.au
203.129.51.52	A+PTR	ppp-51-52.grapevine.net.au
203.129.51.108	A	ppp-51-108.grapevine.net.au
203.129.51.110	A	ppp-51-110.grapevine.net.au
203.129.51.136	PTR	203-129-51-136.tpgi.com.au
203.129.51.136	A	ppp-51-136.grapevine.net.au
203.129.51.242	A	mail.sordell.com