So the in telco its provide information like Maxis , Digi, and Celcom. So when click on the telco it will display this field. But some how the telco is missing in this field from this search (* source="/var/log/va-router/vpn/vpn.log").
SO Maxis, Digi, Celcom are telecomunication service providers right? As jplumsdaine22 says , that data is not showing on your logs ,at least not in the one you showed us on the picture.
If that data is not part of the logs it means there must be a lookup for that data that someone created to associated part of the log to each provider.
For example:
The lookup could associate using VPN-SA01XXXX to Digi and VPN-CB01XXXXX to Celcom.
It could also be associated to external IPs, but I don't see external IPs in your logs
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