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Re: anybody know the owner of 209.251.0.0/19?
From: william () elan net
Date: Tue, 19 Aug 2003 15:01:36 -0700 (PDT)



If you check arin whois, you can find ip block  209.251.0.0 - 209.251.23.255
listed as NETBLK-SISCOM-BLK-1 (why would ARIN assign them /20 + /21 but 
not make it easier for everyone and just do /19 ?????????):
[whois.arin.net]
OrgName:    SISCOM
OrgID:      SISC
Address:    130 W. Second St.
Address:    Suite 1100
City:       Dayton
StateProv:  OH
PostalCode: 45402
Country:    US

NetRange:   209.251.0.0 - 209.251.23.255
CIDR:       209.251.0.0/20, 209.251.16.0/21
NetName:    SISCOM-BLK-1
NetHandle:  NET-209-251-0-0-1
Parent:     NET-209-0-0-0-0
NetType:    Direct Allocation
NameServer: NS1.SISCOM.NET
NameServer: NS2.SISCOM.NET
Comment:    ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
RegDate:    1998-07-13
Updated:    2001-06-22

TechHandle: RJ818-ARIN
TechName:   Adams, Robert
TechPhone:  +1-937-222-8150
TechEmail:  RADAMS () siscom net

OrgTechHandle: TFI7-ARIN
OrgTechName:   Finkenstadt, Thomas
OrgTechPhone:  +1-937-222-8150
OrgTechEmail:  tfink () siscom net

Not surprisingly SISCOM.NET (AS11036) is announcing this as /19, I'd do the 
same if I were them.... Now I don't know anything about SISCOM but it does 
not look like they are out of business or controlled by spammers, so I 
think it would be best to just contact them on this issue (and ask them to 
talk to ARIN and add extra /21 to their allocation to make it even /19)

On Tue, 19 Aug 2003, Paul Vixie wrote:


i'm getting spammed from there...

      [sa:i386] ./find-spam.pl 209.251.0.0/19

                  SELECT HOST(s.relay) AS relay, s.entered, s.md5, s.body_md5,
                         LENGTH(s.header)+LENGTH(b.body)+1 AS size, s.header
                    FROM spam s LEFT JOIN bodies b ON s.body_md5 = b.md5
                   WHERE relay <<= '209.251.0.0/19'
                ORDER BY entered
                   LIMIT ALL

      spam: [002515 2001-12-09 23:37:37+00 209.251.20.7]
         lart: {12370    209.251.20.7  source mailer}
            mail: (0 007557 )
      spam: [005626 2003-07-31 22:14:54.367173+00 209.251.28.142]
         lart: {316925  209.251.28.142  source mailer}
      spam: [001260 2003-08-13 14:28:06.363234+00 209.251.28.142]
         lart: {332664  209.251.28.142   relay mailer}
            mail: (0 002207 20030813142817.C3EF013980 () sa vix com)
      spam: [001260 2003-08-13 14:28:06.363234+00 209.251.28.142]
         lart: {332664  209.251.28.142   relay mailer}
            mail: (0 002207 20030813142817.C3EF013980 () sa vix com)
      spam: [001260 2003-08-13 14:28:06.363234+00 209.251.28.142]
         lart: {332664  209.251.28.142   relay mailer}
            mail: (0 002207 20030813142817.C3EF013980 () sa vix com)
      spam: [001260 2003-08-13 14:28:06.363234+00 209.251.28.142]
         lart: {332664  209.251.28.142   relay mailer}
            mail: (0 002207 20030813142817.C3EF013980 () sa vix com)
      spam: [001260 2003-08-13 14:28:06.363234+00 209.251.28.142]
         lart: {332664  209.251.28.142   relay mailer}
            mail: (0 002207 20030813142817.C3EF013980 () sa vix com)
      spam: [001260 2003-08-13 14:28:06.363234+00 209.251.28.142]
         lart: {332664  209.251.28.142   relay mailer}
            mail: (0 002207 20030813142817.C3EF013980 () sa vix com)
      spam: [001260 2003-08-13 14:28:06.363234+00 209.251.28.142]
         lart: {332664  209.251.28.142   relay mailer}
            mail: (0 002207 20030813142817.C3EF013980 () sa vix com)

...but there is no whois...

      [sa:i386] whois -h whois.arin.net 209.251.28.142
      
      No match found for 209.251.28.142.
      
      # ARIN WHOIS database, last updated 2003-08-18 19:15
      # Enter ? for additional hints on searching ARIN's WHOIS database.

...and they seem to have transit through both AS209 and AS6076...

    noc () re0 r7 pao1> show route 209.251.28.142 
    ...
    209.251.0.0/19     *[BGP/170] 2w3d 23:55:24, MED 2147483647, localpref 100
                          AS path: 209 11036 I
                        > to 198.32.176.52 via ge-2/1/0.6
                        [BGP/170] 1w2d 10:47:58, MED 2147483647, localpref 100
                          AS path: 3549 8011 6076 11036 I
                        > to 208.50.13.57 via ge-1/3/0.501
                        [BGP/170] 2w3d 23:55:12, MED 10, localpref 90
                          AS path: 2914 209 11036 I
                        > to 129.250.16.157 via so-1/2/2.0
                        [BGP/170] 1w4d 16:20:31, MED 10, localpref 90
                          AS path: 701 209 11036 I
                        > to 198.32.176.2 via ge-2/1/0.6
                        [BGP/170] 04:33:44, MED 10, localpref 90
                          AS path: 6453 209 11036 I
                        > to 207.45.196.65 via so-1/2/0.0

...although both AS11036 (the origin) and AS6076 (one of the transits) are
in the same geo area, one of them (voyager.net) was i thought out of business.

am i being spammed from pirated address space?


-- 
William Leibzon
Elan Networks
william () elan net


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