iP or domain name lookup

vtt-b.udemycdn.com Server iP：

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2022-05-24-----2023-08-18 89.187.162.57

2022-05-24-----2023-08-18 89.187.162.58

2023-05-04-----2023-08-18 89.187.177.5

2023-08-18-----2023-08-18 138.199.37.17

2023-05-04-----2023-08-14 138.199.37.18

2023-08-14-----2023-08-14 89.187.177.21

2022-05-24-----2022-06-07 156.146.33.8

2022-05-24-----2022-06-07 156.146.42.5

2022-05-24-----2022-05-24 156.146.33.9

2022-05-24-----2022-05-24 156.146.42.6