Robtex

Up: 101.138.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 101.138.224.0/20
Down right: 101.138.240.0/20

IP	Type	Hostname
101.138.228.166	A	101-138-228-166.mobile.dynamic.aptg.com.tw
101.138.235.61	A	101-138-235-61.mobile.dynamic.aptg.com.tw
101.138.235.64	A+PTR	101-138-235-64.mobile.dynamic.aptg.com.tw
101.138.235.103	A	101-138-235-103.mobile.dynamic.aptg.com.tw
101.138.241.99	PTR	101-138-241-99.mobile.dynamic.aptg.com.tw
101.138.242.100	A	101-138-242-100.mobile.dynamic.aptg.com.tw