I know there is possibly no one around here from T-Mobile US. Maybe
someone has a contact to T-Mobile US that can possibly have a look into
this? I've tried some official e-mail address from whois information
months ago but no response.
We are AS198288 and our prefix 18.104.22.168/21 has only limited
reachability from / to T-Mobile US (mobile / hotspots users and t-mobile
website / e-mail).
It's no routing issue I guess as traceroutes / ping work. I was in the
US a week ago and also had a T-Mobile 4G contract phone. Same issue,
ICMP works, TCP / UDP gets blocked to 22.214.171.124/21.
I actually think there are some legacy filters in place, maybe they used
126.96.36.199/8 as "private addresses" in the past.
Anyone with an idea or a contact to T-Mobile welcome. Thank you very much.
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