Robtex

Up: 192.72.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 192.72.64.0/23
Down right: 192.72.66.0/23

IP	Type	Hostname
192.72.65.27	A+PTR	sj65-27.dialup.seed.net.tw
192.72.65.71	A	sj65-71.dialup.seed.net.tw
192.72.65.73	A	sj65-73.dialup.seed.net.tw
192.72.65.77	A	sj65-77.dialup.seed.net.tw
192.72.65.87	A+PTR	sj65-87.dialup.seed.net.tw
192.72.65.94	A+PTR	sj65-94.dialup.seed.net.tw
192.72.65.108	A+PTR	sj65-108.dialup.seed.net.tw
192.72.65.110	A	sj65-110.dialup.seed.net.tw
192.72.65.191	A	sj65-191.dialup.seed.net.tw
192.72.65.200	A	sj65-200.dialup.seed.net.tw
192.72.65.204	A+PTR	sj65-204.dialup.seed.net.tw
192.72.65.208	PTR	sj65-208.dialup.seed.net.tw
192.72.65.209	A	sj65-209.dialup.seed.net.tw
192.72.65.216	A+PTR	sj65-216.dialup.seed.net.tw
192.72.65.231	A+PTR	sj65-231.dialup.seed.net.tw
192.72.65.236	A	sj65-236.dialup.seed.net.tw
192.72.65.247	A+PTR	sj65-247.dialup.seed.net.tw
192.72.66.6	A+PTR	sj66-6.dialup.seed.net.tw