Robtex

Up: 139.175.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 139.175.48.0/23
Down right: 139.175.50.0/23

IP	Type	Hostname
139.175.48.14	A+PTR	x1.seed.net.tw
139.175.48.40	A+PTR	xm4.seed.net.tw
139.175.48.40	A	greenguard.com.tw
139.175.48.42	PTR	xm6.seed.net.tw
139.175.48.42	A	shingray.com.tw
139.175.48.42	A	mail.shingray.com.tw
139.175.48.50	A	xm14.seed.net.tw