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Quick IP addy range question....

  • 29-08-2003 3:49pm
    #1
    LoLth
    Registered Users, Registered Users 2 Posts: 10,339 ✭✭✭✭


    Small business / private IP range: 192.168.x.x
    Large business / internal IP range: 10.0.x.x

    so where does 155.155.155.x come in? I have seen several companies using it now.

    just curious.


Comments

  • #2
    Kali
    Closed Accounts Posts: 6,601 ✭✭✭Kali


    thats pretty strange.. cos it isnt a private ip address range as far as i know..

    172.16.*-172.31.* is maybe what you're refering to (172.16/12)


  • #3
    LoLth
    Registered Users, Registered Users 2 Posts: 10,339 ✭✭✭✭LoLth


    nope, definitely 155.155.155.x , subnet 255.255.255.0.

    I've been settin gup VPNs between my PC and clients, their external IP is grand (usually the 62.77 range) but some of the internal ranges on a few of the clients (three so far) are 155.155 etc.

    Nothing life threatening, just wondering why choose that IP range instead of the more usual ones...


  • #4
    sirlinux
    Registered Users, Registered Users 2 Posts: 651 ✭✭✭sirlinux


    Looks like they shouldnt be using that unless they are involved in some US military work.

    OrgName: HQ, 5th Signal Command
    OrgID: H5SC
    Address: DCSOPS DNCC
    Address: ASE-OP-OF
    City: APO
    StateProv: AE
    PostalCode: 09056
    Country: US

    NetRange: 155.155.0.0 - 155.155.255.255
    CIDR: 155.155.0.0/16
    NetName: BAMBERGNET
    NetHandle: NET-155-155-0-0-1
    Parent: NET-155-0-0-0-0
    NetType: Direct Assignment
    NameServer: NS01.ARMY.MIL
    NameServer: NS02.ARMY.MIL
    NameServer: NS03.ARMY.MIL
    Comment:
    RegDate: 1991-12-16
    Updated: 2000-05-04


  • #5
    bricks
    Registered Users, Registered Users 2 Posts: 443 ✭✭bricks


    Someone beat me to it:)


  • #6
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,599 Mod ✭✭✭✭Capt'n Midnight


    just someone changing 255 to 155

    RFC private ip's

    10.0.0.0
    172.16.0.0
    192.168.0.0

    169.254.0.0 auto-config IP according to M$
    the rest of the planet only uses it for DHCP hand shaking - ie. very unpredictable results if you use it.


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  • #7
    iano
    Registered Users, Registered Users 2 Posts: 197 ✭✭iano


    According to http://www.rfc-editor.org/rfc/rfc3330.txt ,
    " 169.254.0.0/16 - This is the "link local" block. It is allocated for communication between hosts on a single link. Hosts obtain these addresses by auto-configuration, such as when a DHCP server may not be found."

    Private-Use Network IP addresses (RFC1918) are (as you stated but with the subnet indicated):
    10.0.0.0/8, 172.16.0.0/12 and 192.168.0.0/16

    These are recognised and used world-wide. With decent design and sub-netting, they provide plenty of addresses even for very big private networks.

    155.155.xxx.xxx is often used in lectures, papers etc. as an example of a Public address. Perhaps somebody has taken this literally instead of substituting an appropriate Private or Public addressing scheme?


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