[pchelpers] Re: program phoning home?
- From: Scott McNay <Wizard@xxxxxxxx>
- To: GCox <pchelpers@xxxxxxxxxxxxx>
- Date: Sun, 13 Jul 2003 10:52:28 -0500
Hi!
Sunday, July 13, 2003, 1:44:34 PM, you wrote:
G> Can anyone tell me how to find out who belongs to the url 224.0.0.2? Windows
G> kernel core component tries to contact that site each time I go online. I
G> want to know who it's trying to reach and why. Thanks.
***********************
C:\>nslookup 224.0.0.2
Name: ALL-ROUTERS.MCAST.NET
Address: 224.0.0.2
*******************************
Very odd-looking IP address.
Go to http://www.samspade.org if you want more. The next item is from
there:
http://www.samspade.org/t/whois?a=224.0.0.2&server=magic
*************************
whois -h magic 224.0.0.2
Trying whois -h whois.arin.net 224.0.0.2
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
OrgTechHandle: IANA-ARIN
OrgTechName: Internet Corporation for Assigned Names and Number
OrgTechPhone: +1-310-823-9358
OrgTechEmail: res-ip@xxxxxxxx
****************************
RFC 3171 is: IANA Guidelines for IPv4 Multicast Address Assignments
http://www.faqs.org/rfcs/rfc3171.html
224.0.0.2 turns out to be part of "Local Network Control Block", which
is described as:
"3. Local Network Control Block (224.0.0/24)
Addresses in the Local Network Control block are used for protocol
control traffic that is not forwarded off link. Examples of this
type of use include OSPFIGP All Routers (224.0.0.5) [RFC2328]."
For more information, look through
http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=%22224.0.0.2%22
--Scott.
Regards, John Durham (list moderator) <http://modecideas.com/contact.html?sig>
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