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IP Address 239.255.255.250

Elroy Jetson

Little Dipper School
#1
my explorer.exe and svhost.exe are trying to connect to IP Address 239.255.255.250. Reverse DNS Lookup for this IP Address returns with unable to resolve 239.255.255.250). I am at work behind a proxy server. is this our network server or something like this?

Does anyone know what this IP is?

Tada, EJ ;)
 
H

harley1730

Guest
#2
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: abuse@iana.org

OrgTechHandle: IANA-IP-ARIN
OrgTechName: Internet Corporation for Assigned Names and Number
OrgTechPhone: +1-310-301-5820
OrgTechEmail: abuse@iana.org

# ARIN WHOIS database, last updated 2003-12-21 19:15
# Enter ? for additional hints on searching ARIN's WHOIS database.

Don't know who it is but maybe this will help....
 
#5
taurus.

A online whois database.

Elroy Jetson,

It's just a multicast broadcast from a service that comes with windows xp.

If you disable SSDP and UPnP and this will go away.

This GRC tool will disable both services for you:

http://grc.com/files/unpnp.exe

This is the service running from port 5000 and 1900

This is a networking application actively searching for a Universal Plug and Play device.

Just simply block it or remove it from active duty in services.msc if you don't use it. This call out will occur just after booting successfully into Windows thus the alert.

The address 239.255.255.250 is a non routable address reserved
for this type of Networking Service (M-Cast).
 

Elroy Jetson

Little Dipper School
#6
thanks a million, enyo. as always, you are the person to talk to with regards to firewall/ports/network security. I really value your presence!

EJ ;)
 

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