what is ip 224.0.0.252 used by host process for?

Discussion in 'Windows Vista Networking' started by MSDN newsgroup, Jul 29, 2009.

  1. MSDN newsgroup

    MSDN newsgroup Guest

    Do I need to allow this?
    File Version: 6.0.6001.18000
    File Description: Host Process for Windows Services (svchost.exe)
    File Path: C:\Windows\System32\svchost.exe
    Digital Signature:
    Process ID: 0x550 (Hexadecimal) 1360 (Decimal)

    Connection origin: local initiated
    Protocol: UDP
    Local Address: 192.166.123.2
    Local Port: 49428
    Remote Name:
    Remote Address: 224.0.0.252
    Remote Port: 5355

    Ethernet packet details:
    Ethernet II (Packet Length: 66)
    Destination: 01-00-5e-00-00-fc
    Source: 00-22-15-f1-1a-92
    Type: IP (0x0800)
    Internet Protocol
    Version: 4
    Header Length: 20 bytes
    Flags:
    .0.. = Don't fragment: Not set
    ..0. = More fragments: Not set
    Fragment offset:0
    Time to live: 1
    Protocol: 0x11 (UDP - User Datagram Protocol)
    Header checksum: 0x9622 (Correct)
    Source: 192.166.123.2
    Destination: 224.0.0.252
    User Datagram Protocol
    Source port: 5313
    Destination port: 37088020
    Length: 8
    Checksum: 0x2f97 (Incorrect - Checksum should be 0x5625)
    Data (32 Bytes)

    ....
     
    MSDN newsgroup, Jul 29, 2009
    #1

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  2. MSDN newsgroup

    David B. Guest

    224.0.0.252
    Record Type: IP Address


    OrgName: Internet Assigned Numbers Authority
    OrgID: IANA
    Address: 4676 Admiralty Way, Suite 330
    City: Marina del Rey
    StateProv: CA
    PostalCode: 90292-6695
    Country: US

    NetRange: 224.0.0.0 - 239.255.255.255
    CIDR: 224.0.0.0/4
    NetName: MCAST-NET
    NetHandle: NET-224-0-0-0-1
    Parent:
    NetType: IANA Special Use
    NameServer: FLAG.EP.NET
    NameServer: STRUL.STUPI.SE
    NameServer: NS.ISI.EDU
    NameServer: NIC.NEAR.NET
    Comment: This block is reserved for special purposes.
    Comment: Please see RFC 3171 for additional information.
    Comment:
    RegDate: 1991-05-22
    Updated: 2002-09-16

    OrgAbuseHandle: IANA-IP-ARIN
    OrgAbuseName: Internet Corporation for Assigned Names and Number
    OrgAbusePhone: +1-310-301-5820
    OrgAbuseEmail:

    OrgTechHandle: IANA-IP-ARIN
    OrgTechName: Internet Corporation for Assigned Names and Number
    OrgTechPhone: +1-310-301-5820
    OrgTechEmail:
     
    David B., Jul 29, 2009
    #2

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