Robtex

Up: 192.72.36.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 192.72.36.0/24
Down right: 192.72.37.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.72.36.10	PTR	mg.nanyapcb.com.tw
192.72.36.10	A	dns.nanyapcb.com.tw
192.72.36.10	A	vpn.nanyapcb.com.tw
192.72.36.12	A	www.nanyapcb.com.tw
192.72.36.13	A	ftp.nanyapcb.com.tw
192.72.36.101	A+PTR	ms1.nanyapcb.com.tw
192.72.36.101	A+PTR	ms2.nanyapcb.com.tw
192.72.36.102	A	im.nanyapcb.com.tw
192.72.37.0	PTR	h0-192-72-37.seed.net.tw
192.72.37.26	PTR	h26-192-72-37.seed.net.tw
192.72.37.74	PTR	h74-192-72-37.seed.net.tw
192.72.37.80	PTR	h80-192-72-37.seed.net.tw
192.72.37.163	PTR	h163-192-72-37.seed.net.tw
192.72.37.255	PTR	h255-192-72-37.seed.net.tw