For example https://t.me/c/1057171804/1332 points to https://t.me/iaasblog/1332 using https://github.com/telegramdesktop/tdesktop/blob/ec427ad45df99365aa09f0a7b9412a4bb73ba42f/Telegram/SourceFiles/api/api_single_message_search.cpp#L36.
For example https://t.me/c/1057171804/1332 points to https://t.me/iaasblog/1332 using https://github.com/telegramdesktop/tdesktop/blob/ec427ad45df99365aa09f0a7b9412a4bb73ba42f/Telegram/SourceFiles/api/api_single_message_search.cpp#L36.