Robuta

https://www.msisdn.net/list-of-mcc-mnc/
Free MSISDN and IMSI parser
freemsisdnimsiparsernet
https://sls.eff.org/technologies/cell-site-simulators-imsi-catchers
Cell-site simulators, also known as Stingrays or IMSI catchers, are devices that masquerade as legitimate cell-phone towers, tricking phones within a certain...
cell sitesimulatorsimsicatchers
https://imsi.jp/
imsimembers
https://www.iotforall.com/esim-vs-multi-imsi
This articles talks about the advantage of eSIM and Multi IMSI based on the requirements of some IoT use cases.
which oneesimvsmultiimsi
https://citizenlab.ca/2016/09/imsi-catcher-report-calls-transparency-proportionality-minimization-policies/
Aug 29, 2017 - Research report calls for transparency and control mechanisms to properly contain the use of IMSI Catchers and temper their more intrusive features
imsi catcherreportcallstransparencyproportionality
https://www.stoneliu.com/
foshanstonetelecomltdprofessional
https://www.imsi.athenarc.gr/projects/project/73
r dimsiprojectdetails