[Dshield] Should I be concerned about this?
swcxt at co.boulder.co.us
Wed Jun 26 14:18:18 GMT 2002
On Wed, 26 Jun 2002, E.B. Dreger wrote:
>M> Date: Tue, 25 Jun 2002 20:34:33 -0400
>M> From: Mercy
>M> "The firewall has blocked routed traffic from 188.8.131.52 to
>M> 184.108.40.206 (IP Protocol 117).
>Note that 222.... is
>a class D multicast address. Do you know if you're running any
No, it's not, it's a class C: 222 = 11011110 binary; note that only
the leftmost two bits are on. Multicast starts at 224, which is the
leftmost 3 bits on. It is, however, reserved by IANA:
whois -h whois.arin.net 220.127.116.11
Internet Assigned Numbers Authority
4676 Admiralty Way, Suite 330
Marina del Rey, CA 90292-6695
Netblock: 18.104.22.168 - 22.214.171.124
Internet Corporation for Assigned Names and Numbers (IANA-ARIN)
res-ip at iana.org (310) 823-9358
Record last updated on 03-Dec-2001.
Database last updated on 25-Jun-2002 20:00:18 EDT.
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