The Demurrage Team
A team of volunteers helping take down scams by following a legal, report first approach.
SWITCHBOARD 015 of 5 lines live
Pull a plug. That's what a report is for. Numbers shown are fictional.
ROUTE TRACE · 5 HOPS
How we work
Report first, every time. Each number we find goes through the same five steps, and the results go on the record.
- 01
We find a scam number.
Incoming call - 02
We identify which carrier owns it.
Number lookup - 03
We report it to that carrier.
Report filed - 04
We track how fast they respond.
Clock running - 05
We publish what happened, including when nobody responds.
On the record
DEMURRAGE
The Fight Against Scammers On Telecom NetworksWhy America’s Telecoms Are Losing the War On Scams
13.09.2026
LATEST REPORT
The Fight Against Scammers On Telecom Networks: Why America’s Telecoms Are Losing the War On Scams
We compare how Lumen, IP Horizon, Sinch and Bandwidth handled our reports of numbers used in tech support fraud, and show how wholesale “marks” let scammers get past KYC checks.
83 pagesPDF · 9.3 MB