...black fiber..? without light??? secret comm....take it

Black Mask

Agora mesmo · 

About Cilnet sa...means a man in the midlea for this
https://www.centurylink.com/…/network…/private-line-ds1.html

CENTURYLINK.COM

Private Line: T1/DS1 | CenturyLink

Affordable high-speed digital transport with point-to-point, high-capacity private line service you can depend on to support mission-critical business functions and applications.