You can view a list of all the interconnects in your project and details about each one. For example, you can view the name of each interconnect, the colocation facility in which it's located, and the capacity of the interconnect.
Go to the Cloud Interconnect Physical connections tab in the Google Cloud Platform Console.
Go to Physical connections tab
Select the interconnect to view its details.
List all interconnects that are in your project.
gcloud compute interconnects list
NAME LOCATION OPERATIONAL_STATUS ADMIN_ENABLED my-interconnect sin-zone1-388 ACTIVE True ...
Describe an interconnect to view more information about it by passing the name of the interconnect.
gcloud compute interconnects describe my-interconnect
adminEnabled: true creationTimestamp: '2017-08-13T20:26:05.783-07:00' description: test interconnect googleIpAddress: 169.254.123.122/29 googleReferenceId: '12345678' id: '1234567890123456789' interconnectType: DEDICATED kind: compute#interconnect linkType: ETHERNET_10G_LR location: https://www.googleapis.com/compute/...
.../sin-zone1-388 name: my-interconnect operationalStatus: ACTIVE peerIpAddress: 169.254.123.123/29 provisionedLinkCount: 1 requestedLinkCount: 1 selfLink: https://www.googleapis.com/compute/... .../my-interconnect