iP or domain name lookup

wasu.bbdcdn.com Server iP：

Current resolution：

domain resolution record：

2019-07-10-----2019-07-22 47.91.170.222

2017-11-06-----2017-11-06 221.228.219.61

2017-11-06-----2017-11-06 103.18.208.193

2017-11-06-----2017-11-06 223.111.243.144

2017-11-06-----2017-11-06 27.221.28.197

2017-11-06-----2017-11-06 36.101.205.26

2017-11-06-----2017-11-06 119.167.164.107

2017-11-06-----2017-11-06 58.216.106.201

2017-11-06-----2017-11-06 157.255.128.16

2017-11-06-----2017-11-06 157.255.128.15

2017-11-06-----2017-11-06 121.31.30.148

2017-11-06-----2017-11-06 121.31.30.146