dns2.vietel.com.vn

203.113.188.2 > 203.113.188.0/24 > AS7552 > Viettel Group
203.113.188.2 > 203.113.128.0/18 > AS7552 > Viettel Group
2402:800:20ff:2222::1 > 2402:800:20ff::/48 > AS7552 > Viettel Group
2402:800:20ff:2222::1 > 2402:800::/32 > AS7552 > Viettel Group
2402:800:20ff:2222::1 > 2402:800::/29 > AS7552 > Viettel Group