Robtex

Up: 218.32.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 218.32.36.0/23
Down right: 218.32.38.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
218.32.36.177	PTR	218-32-36-177.static.sparqnet.net
218.32.36.247	PTR	218-32-36-247.static.sparqnet.net
218.32.36.247	A	smtp.surveycms.com.tw
218.32.36.247	A	vsl.surveycms.com.tw
218.32.37.79	PTR	218-32-37-79.static.sparqnet.net
218.32.37.205	PTR	218-32-37-205.static.sparqnet.net
218.32.37.248	PTR	218-32-37-248.static.sparqnet.net
218.32.37.249	PTR	218-32-37-249.static.sparqnet.net
218.32.38.83	PTR	218.32.38.83.adsl.static.sparqnet.net
218.32.38.149	PTR	218.32.38.149.adsl.static.sparqnet.net
218.32.38.153	PTR	218.32.38.153.adsl.static.sparqnet.net
218.32.38.160	PTR	218.32.38.160.adsl.static.sparqnet.net
218.32.38.162	PTR	218.32.38.162.adsl.static.sparqnet.net
218.32.38.186	PTR	218.32.38.186.adsl.static.sparqnet.net
218.32.38.193	PTR	218.32.38.193.adsl.static.sparqnet.net
218.32.38.209	PTR	218.32.38.209.adsl.static.sparqnet.net
218.32.38.219	PTR	218.32.38.219.adsl.static.sparqnet.net
218.32.38.229	PTR	218.32.38.229.adsl.static.sparqnet.net
218.32.38.234	PTR	218.32.38.234.adsl.static.sparqnet.net
218.32.38.235	PTR	218.32.38.235.adsl.static.sparqnet.net
218.32.38.244	PTR	218.32.38.244.adsl.static.sparqnet.net
218.32.38.245	PTR	218.32.38.245.adsl.static.sparqnet.net
218.32.38.249	PTR	218.32.38.249.adsl.static.sparqnet.net
218.32.38.251	PTR	218.32.38.251.adsl.static.sparqnet.net
218.32.38.253	PTR	218.32.38.253.adsl.static.sparqnet.net
218.32.39.47	PTR	218.32.39.47.adsl.static.sparqnet.net
218.32.39.120	PTR	218.32.39.120.adsl.static.sparqnet.net
218.32.39.233	PTR	218.32.39.233.adsl.static.sparqnet.net