列出已知的连接地址

[
    {
        "peer": "12D3KooWDHnZQxvtNAVX8tQ4m1ASGtzg5fqCdC6kN4YfdrwmHMoX",
        "addrs": [
            "/ip4/10.0.20.21/tcp/7001",
            "/ip4/127.0.0.1/tcp/7001",
            "/ip6/::1/tcp/7001"
        ]
    },
    {
        "peer": "12D3KooWSpgWzEXE5GNjY6hgdAhuuBLe4d3ocqWDnVLdCa8U3cig",
        "addrs": [
            "/ip4/122.99.183.54/tcp/6001"
        ]
    },
    {
        "peer": "12D3KooWEJkLnXJuqiDRunRdes7JHtjr6jw2w2EUPysVMCuv4ZfJ",
        "addrs": [
            "/ip4/8.219.75.114/tcp/6001"
        ]
    }
]