Robtex

Up: 125.235.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 125.235.48.0/23
Down right: 125.235.50.0/23

IP	Type	Hostname
125.235.48.133	PTR	125.235.48.133.adsl.viettel.vn
125.235.49.57	PTR	125.235.49.57.adsl.viettel.vn
125.235.49.58	PTR	125.235.49.58.adsl.viettel.vn
125.235.49.60	PTR	125.235.49.60.adsl.viettel.vn
125.235.49.61	PTR	125.235.49.61.adsl.viettel.vn
125.235.49.162	PTR	125.235.49.162.adsl.viettel.vn
125.235.50.2	A+PTR	mail.mmsc.viettel.com.vn
125.235.50.2	A	mms.viettelmobile.com.vn
125.235.50.2	A	mmsc.viettel.com.vn
125.235.50.3	PTR	125.235.50.3.adsl.viettel.vn
125.235.50.3	A	mmsviettel.vn