Technical contacts for Colt IP network are listed below. For all commercial contact phone numbers and e-mail addresses the Colt commercial website has full details.

Technical Contacts

For customer support contact and details please see handover documentation, Colt Online or a full list of support details can be found here.
The following is for Colt Peers and other network providers to request best effort support on network troubleshooting of traffic flowing between the other providers network and the Colt network.
NOC 24x7 e-mail:
NOC 24x7 phone:
+44 (0)20 7390 7848

Policy Contacts

Peering e-mail:
Peering Manager:
Mark Borchardt (
Peering Manager:
Rob Woodward (