Network netmask (prefix length) is not tuned correctly

https://query.fing.com/BC186E84562B6499
The link contains my Fing Report and "Home network is too wide: 10.0.0.0/16, up to 65536 devices."  This is the warning I am receiving.  Any idea how to fix this issue?

Answers

  • Mallochai
    Mallochai Member Posts: 3
    First Comment Photogenic

    Local IP (IPv4)

    Gateway Address

    10.0.0.1

    Subnet Mask

    255.255.0.0

    DHCP Server

    DHCP Start Range

    10.0.0.2

    DHCP End Range

    10.0.255.253

    Client Lease Time

    1 Week

    Thats what I have in my Router settings. I'm also noticing my router shows up twice in the list of active devices.

  • Robin_Ex_Fing
    Robin_Ex_Fing Member Posts: 5,293
    5000 Comments 250 Answers 500 Likes 100 Awesomes
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    edited July 28, 2020 #3
    Hi @Mallochai
    The subnet mask set on your router is of /16. The subnet mask you need is /24 which is 255.255.255.0. You can either change it yourself or contact your ISP for this. Every router has multiple network interface cards which is the reason, routers are able to provide multiple frequencies(2.4 Ghz and 5Ghz). These are different access points which has their own MAC address(BSSID). The router displaying two times is due to these multiple frequencies.
    Robin (Admin at Fing)
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    Bearswin85