[AusNOG] High number of inbound automated Chinese language calls on AAPT CTS

Andrew Yager andrew at rwts.com.au
Fri Oct 27 13:54:00 EST 2017

Hi Matt,

We have seen multiple instances of this over the last couple of months to
different number blocks.

It's usually a Mandarin message claiming to be from the ATO.

Have logged a few complaints on a few of them; have not got anywhere useful
because each number is called "once" and doesn't meet the threshold for a
nuisance claim.

If any of my upstreams want to care though… I'm happy to provide more
details… :) (nudge… nudge…)


On 27 October 2017 at 13:34, Matt Perkins <matt at spectrum.com.au> wrote:

> Here's some Friday fun.
> Are there any people with AAPT CTS that are receiving very high volumes
> (500 an hour)  of a Chinese language automated message. Numbers dialed in
> appear to be random within a routed ranges they also appear to be using
> random calling id's some start with 028009XX. Im told that the message says
> it's from the Chinese consulate and ask you to push zero.  I suspect they
> are trying to determine which numbers have Chinese language speakers answer
> for some later scam. But only appears to be on AAPT CTS. We have CTS with a
> few other carriers and seeing nothing on those inbound.
> Interested to see if others are receiving same.
> Matt.
> --
> /* Matt Perkins
>         Direct 1300 137 379        Spectrum Networks Ptd. Ltd.
>         Office 1300 133 299        matt at spectrum.com.au
>                                    Level 6, 350 George Street Sydney 2000
>         Spectrum Networks is a member of the Communications Alliance & TIO
> */
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