Originally Posted by
der_saeufer
Data point: esim4travel worked fine last week. 3GB, 30 days for about 4 USD, data only. Home carrier was China Mobile HK and it roamed on au with 5G. Interestingly, the IP address showed up as being in Tokyo and all my ads were in Japanese.
I guess too late, but run this (takes a while to complete) and check the results. Ubigi was similar, IP geolocated to Tokyo and everything was in Japanese , but ping to Singapore was lower than Tokyo on the website below. (Website also had Tokyo as first entry, aka website thought Tokyo was closest compared to Seoul/hkg/Singapore)
https://www.meter.net/tools/world-ping-test/.
When I used trace route (more involved testing), everything was going thru Singapore before reaching the Internet