List of best mirrors for IP address 3.148.106.212, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/raspbian/pool/main/b/bibtexparser/python3-bibtexparser_2.0.0b5+really1.4.1-1_all.deb