I did NOT know that. :) I'm not a telco or service provider. Just part of a company that's unfortunate enough to help a handful of customers manage their own internal Asterisk or FreePBX systems.
Most of my customers use Twilio upstream. I don't think Twilio logs that header, and I don't see anything like it in the Asterisk logs. (Not sure if it even gets passed to us or if it just doesn't logs it.) -A On Wed, Mar 18, 2026 at 8:36 AM Mark R Lindsey <[email protected]> wrote: > So...did you get any Identity headers? A traceback with ITG, or maybe an > Identity header, is your only hope for tracing the origin. > > I'm including the below, not to say that you, Aaron, don't know this, but > just in case it's valuable to anyone else reading: > > In the case of your first number, it belongs to a thousand block assigned > initially to Bandwidth.com...but that's not even meaningful for routing a > call to them today. You'd have to do an LRN lookup to find out how to > deliver a call back to the legitimate owner of this number. > > I did an LRN lookup for that first one, and it's currently ported to > Onvoy, one of the brands of Sinch. But again, that only tells us how to get > a call TO that legitimate owner. > > What you want to know is how they're sending calls to you. And if you're > getting an Identity header it would be at least interesting. > > Failing that, you can file a report with the Industry Traceback Group to > report illegal calls: > > https://tracebacks.org/traceback-requests/ > > > *Mark R Lindsey | +1-229-316-0013 | [email protected] <[email protected]> | LinkedIn > <https://www.linkedin.com/in/markrlindsey/>* > > > > > > > > > > On Mar 18, 2026, at 11:22, Aaron C. de Bruyn via VoiceOps < > [email protected]> wrote: > > A bunch of numbers out of Indiana have been spamming my customers for > about a week. > > Most are automated recordings about how your Google business listing is > wrong and needs to be fixed so customers can find you. Sometimes it's a > human prefixed by the telltale "BWOOP" sound. > > +14632000068 - BANDWIDTH.COM <http://bandwidth.com/> CLEC LLC IN > +14632001925 - BANDWIDTH.COM <http://bandwidth.com/> CLEC LLC IN > +14632004002 - BANDWIDTH.COM <http://bandwidth.com/> CLEC LLC IN > +14632005772 - BANDWIDTH.COM <http://bandwidth.com/> CLEC LLC IN > +14632006038 - BANDWIDTH.COM <http://bandwidth.com/> CLEC LLC IN > +14632006422 - BANDWIDTH.COM <http://bandwidth.com/> CLEC LLC IN > +14632006730 - BANDWIDTH.COM <http://bandwidth.com/> CLEC LLC IN > +14632009587 - BANDWIDTH.COM <http://bandwidth.com/> CLEC LLC IN > +14632018300 - BHN IP ENABLED SERVICES LLC > +14632018413 - BHN IP ENABLED SERVICES LLC > +14632018586 - BHN IP ENABLED SERVICES LLC > +14632018682 - BHN IP ENABLED SERVICES LLC > +14632027042 - LEVEL 3 COMMUNICATIONS LLC IN (Lumen) > +14632027073 - LEVEL 3 COMMUNICATIONS LLC IN (Lumen) > +14632027200 - LEVEL 3 COMMUNICATIONS LLC IN (Lumen) > +14632027252 - LEVEL 3 COMMUNICATIONS LLC IN (Lumen) > +14632027397 - LEVEL 3 COMMUNICATIONS LLC IN (Lumen) > +14632027539 - LEVEL 3 COMMUNICATIONS LLC IN (Lumen) > +14632027678 - LEVEL 3 COMMUNICATIONS LLC IN (Lumen) > +14632027899 -LEVEL 3 COMMUNICATIONS LLC IN (Lumen) > +14632030946 - METROPCS INC (T-Mobile US) > > Kinda hard to believe the big boys haven't caught this abuse of their > network yet. > > I tried reporting the numbers to bandwidth.com (as ID'd by telcodata.us), > but their form only allows for a single entry at a time, and it says most > of the numbers don't belong to them. Either their form is broken or > telcodata.us is out of date. > > I can't find a reporting for Level3/Lumen. They seem to be geared towards > "I'm a customer and need help figuring out the star code to block calls". > > -A > _______________________________________________ > VoiceOps mailing list -- [email protected] > https://lists.voiceops.org/postorius/lists/voiceops.voiceops.org/ > To unsubscribe send an email to [email protected] > > >
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