Re: Japanese "IPv6" group allocating for IPv4 spamming?

From: Robert Hajime Lanning (secfocusat_private)
Date: Fri Jun 06 2003 - 12:13:55 PDT

  • Next message: Dale Fay: "Re: Japanese "IPv6" group allocating for IPv4 spamming?"

    It could be an IPv6/IPv4 gateway.  If the spammer requested an IPv6
    network and used it, all traffic destined for an IPv4 address would
    seem to come from the gateway address.
    
    <quote who="Jay D. Dyson">
    > -----BEGIN PGP SIGNED MESSAGE-----
    > Hash: SHA1
    >
    > Hi folks,
    >
    > 	I've long since blackholed most of Asia due to their rampant
    > spamming and incompetent (or worse, indifferent) admins.  This latest
    > incident only cements my stance.
    >
    > 	I received the following spam just a few minutes ago.  Mind you,
    > I've seen countless spam messages in my day, but the originating IP is
    > what caught my eye:
    >
    >
    > - -----BEGIN FORWARDED MESSAGE-----
    >
    > Return-Path: <info_masterat_private>
    > Received: (qmail 2233 invoked from network); 5 Jun 2003 21:13:01 -0000
    > Received: from f136.ac130.freebit.ne.jp (HELO yume234.com)
    > (43.244.130.136)
    >   by h-66-134-87-75.lsanca54.covad.net with SMTP; 5 Jun 2003 21:13:01
    > -0000
    > From: ug0605 <info_masterat_private>
    > To: [redacted]
    > Reply-To: info_masterat_private
    > Subject: [gibberish deleted]
    > Date: Fri, 06 Jun 2003 06:11:24 +0900
    > MIME-Version: 1.0
    > Content-Type: multipart/mixed;
    >     boundary="de9908d2-2375-4e23-87c8-09a261c806b2"
    >
    > [body of spam deleted]
    >
    > - -----END FORWARDED MESSAGE-----
    >
    >
    > 	When I saw the first Received line, I polled APNIC's databases for
    > the cognizant party.  The system responded that this Japanese netblock is
    > not allocated to APNIC.  So then I tried ARIN.  And that's when things got
    > interesting.
    >
    > 	ARIN stated that it too did not have that IP block allocated, but
    > it did confirm that it belonged to "Japan Inet" and referred me to the
    > "IPv6PC Whois Database" (whois.v6nic.net).  Okay, fine...but why is a
    > group that apparently touts itself as working exclusively with IPv6 doling
    > out IPv4 address space for spammers?
    >
    > 	Maybe I'm way off base here (wouldn't be the first time), but
    > something really stinks in Tokyo.  Until such time that I can get an
    > answer on this, 43.0.0.0/8 is in the blackhole.
    >
    > - -Jay
    >
    >   (    (                                                         _______
    >   ))   ))   .-"There's always time for a good cup of coffee."-.
    > >====<--.
    > C|~~|C|~~| (>------ Jay D. Dyson - jdysonat_private ------<) |    =
    > |-'
    >  `--' `--'  `-If guns cause crime, then spoons cause obesity.-'  `------'
    >
    > -----BEGIN PGP SIGNATURE-----
    > Version: GnuPG v1.2.2 (TreacherOS)
    > Comment: See http://www.treachery.net/~jdyson/ for current keys.
    >
    > iD8DBQE+37njNlg1oZSC9mkRAi6QAJ0cPERAww8lvVFtm6NUyRwc97CQhwCfbfx+
    > b/pwVrvzllBRYe/DH6WRS0I=
    > =XPg3
    > -----END PGP SIGNATURE-----
    >
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    >
    >
    
    
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