Failed to connect to Bitbucket.org Port 443 timed out error.

Hello I am tryign to access a bitbucket server via TortoiseGit
but i keep getting Failed to connect to Bitbucket.org Port 443 timed out error.
I don't know what is the issue, would you please help me with the issue.
below is the trace report

D:\Users\mathadveerabasaiahs>ping -n 10 bitbucket.org

Pinging bitbucket.org [104.192.143.3] with 32 bytes of data:
Request timed out.
Request timed out.
Reply from 10.138.55.1: Destination host unreachable.
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Reply from 10.138.55.1: Destination host unreachable.
Request timed out.
Reply from 10.138.55.1: Destination host unreachable.

Ping statistics for 104.192.143.3:
Packets: Sent = 10, Received = 3, Lost = 7 (70% loss),

D:\Users\mathadveerabasaiahs>ping -n 10 -6 bitbucket.org
Ping request could not find host bitbucket.org. Please check the name and try again.

D:\Users\mathadveerabasaiahs>ping -n 10 -6 bitbucket.org
Ping request could not find host bitbucket.org. Please check the name and try again.

D:\Users\mathadveerabasaiahs>tracert bitbucket.org

Tracing route to bitbucket.org [104.192.143.2]
over a maximum of 30 hops:

1 * 1 ms 1 ms 10.138.55.1
2 * 10.138.55.1 reports: Destination host unreachable.

Trace complete.

D:\Users\mathadveerabasaiahs>tracert -6 bitbucket.org
Unable to resolve target system name bitbucket.org.

D:\Users\mathadveerabasaiahs>