xxx.xxx.xx.xx.dynamic.wline.res.cust.swisscom.ch this is the associated host name
search for its public IP address
- either on the router, internet-box or other, see network connection
- either on the various sites available on the Internet, for example
My public IP address is: xxx.x.xxx.xxx
My associated hostname: xxx.xxx.x.xx.dynamic.wline.res.cust.swisscom.ch
Port Used: xxxxx
Your Local IP: to discover
then with the command prompt under windows execute the command:
tracert [its public IP address]
Determining the route to xxx.xxx.xx.xx.dynamic.wline.res.cust.swisscom.ch [its public IP address]
with a maximum of xx jumps:
1 <1 ms <1 ms <1 ms xxx.xxx.xxx.xx.dynamic.wline.res.cust.swisscom.ch [its public IP address]
Determined route.
for more information if necessary consult Microsoft support help:
How to use TRACERT to troubleshoot TCP/IP issues in Windows
[https://support.microsoft.com/fr-ch/help/314868/how-to-use-tracert-to-troubleshoot-tcp-ip-problems-in-windows](https://support.microsoft. com/fr-ch/help/314868/how-to-use-tracert-to-troubleshoot-tcp-ip-problems-in-windows)
perform a search with the keyword: dynamic.wline.res.cust.swisscom.ch
posts on the Swisscom Community have already addressed this subject to see among others
[/t5/Archiv-Internet/Acc%C3%A8s-NAS-depuis-l-ext%C3%A9rieur/td-p/455562](https://community.swisscom.ch/t5/Archiv-Internet/Acc %C3%A8s-NAS-from-the-ext%C3%A9rieur/td-p/455562)
[/t5/Internet-g%C3%A9n%C3%A9ralit%C3%A9s/for-3-weeks-I-no-longer-have-access-to-VPN-swisscom/m-p/615449](https:/ /commuted nity.swisscom.ch/t5/Internet-g%C3%A9n%C3%A9ralit%C3%A9s/since-3-weeks-I-no-longer-access-to-VPN-swisscom/m-p/615449)
[/t5/Internet-g%C3%A9n%C3%A9ralit%C3%A9s/Ping-tr%C3%A8s-%C3%A9lev%C3%A9/m-p/513527](https://commu nity.swisscom.ch/t5/Internet-g%C3%A9n%C3%A9ralit%C3%A9s/Ping-tr%C3%A8s-%C3%A9lev%C3%A9/m-p/513527)