If you are in Europe, use this list for Grin++:
{
"P2P":{
"MAX_PEERS":60,
"MIN_PEERS":8,
"PREFERRED_PEERS":[
"188.68.36.183",
"188.68.49.23",
"217.160.242.228",
"217.160.66.118",
"212.227.210.43",
"93.90.194.26",
"82.165.107.169",
"89.58.0.69",
"23.94.220.240",
"23.94.105.34",
"23.94.120.32",
"23.94.220.239",
"23.94.216.223",
"23.94.220.238",
"23.94.120.31",
"23.94.101.24",
"23.94.107.192",
"23.94.105.33",
"23.94.120.30"
]
},
"WALLET":{
"DATABASE":"SQLITE",
"MIN_CONFIRMATIONS":8
}
}
and for grin-wallet in Europe:
peers_preferred = ["188.68.36.183","188.68.49.23","217.160.242.228","217.160.66.118","212.227.210.43","93.90.194.26","82.165.107.169","89.58.0.69","23.94.220.240","23.94.105.34","23.94.120.32","23.94.220.239","23.94.216.223","23.94.220.238","23.94.120.31","23.94.101.24","23.94.107.192","23.94.105.33","23.94.120.30"]