It's SBC. They'll probably listen:

OrgName:    SBC Internet Services
OrgID:      SIS-80
Address:    208 S Akard St
Address:    One AT&T Plaza 22nd Floor / Attn: IP Management Group
City:       Dallas
StateProv:  TX
PostalCode: 75202
Country:    US

NetRange:   63.192.0.0 - 63.207.255.255
CIDR:       63.192.0.0/12
NetName:    SBCIS-SIS80
NetHandle:  NET-63-192-0-0-1
Parent:     NET-63-0-0-0-0
NetType:    Direct Allocation
NameServer: NS1.PBI.NET
NameServer: NS2.PBI.NET
Comment:    ADDRESSES WITHIN THIS BLOCK ARE NON-PORTABLE
Comment:    please send all abuse issue e-mails to [EMAIL PROTECTED]
RegDate:    1999-05-10
Updated:    2005-09-30

RTechHandle: PIA2-ORG-ARIN
RTechName:   IPAdmin-PBI
RTechPhone:  +1-800-648-1626
RTechEmail:  [EMAIL PROTECTED]

OrgAbuseHandle: ABUSE6-ARIN
OrgAbuseName:   Abuse - Southwestern Bell Internet
OrgAbusePhone:  +1-800-648-1626
OrgAbuseEmail:  [EMAIL PROTECTED]

OrgNOCHandle: SUPPO-ARIN
OrgNOCName:   Support - Southwestern Bell Internet Services
OrgNOCPhone:  +1-800-648-1626
OrgNOCEmail:  [EMAIL PROTECTED]

OrgTechHandle: IPADM2-ARIN
OrgTechName:   IPAdmin-SBIS
OrgTechPhone:  +1-800-648-1626
OrgTechEmail:  [EMAIL PROTECTED]

# ARIN WHOIS database, last updated 2006-08-14 19:10
# Enter ? for additional hints on searching ARIN's WHOIS database.

----- Original Message ----- From: "Kevin Bilbee" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, August 15, 2006 4:48 PM
Subject: RE: [IMail Forum] POP3 Security / DOS Attack


Also, if possible, lookup the owner of the IP and report he abuse to them if they are willing to listen.


Kevin

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:Imail_Forum-
[EMAIL PROTECTED] On Behalf Of Jason Loven
Sent: Tuesday, August 15, 2006 12:49 PM
To: [email protected]
Subject: RE: [IMail Forum] POP3 Security / DOS Attack

Since it seems to all be coming from the same IP I'd say block that IP
at your firewall.



Thank you,

Jason Loven

Manager - Technical Services Department



Computer Associates, Inc.
36 Thurber Blvd, Smithfield RI 02917
Phone: (401)232-2600, Fax: (401)232-7778
Email: [EMAIL PROTECTED]

Web: http://www.cainetserv.com/


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Archer Koch
Sent: Tuesday, August 15, 2006 3:13 PM
To: [email protected]
Subject: [IMail Forum] POP3 Security / DOS Attack

We had a POP3 attack this morning that looked like this:

08:15 08:43 POP3D  UNK: mail.XXXXXXX.XXX - lydia
08:15 08:43 POP3D  (0471D5B4)  logon failure for kayla mail.XXXXXXX.XXX
from
63.201.40.234
08:15 08:43 POP3D  UNK: mail.XXXXXXX.XXX - mail
08:15 08:43 POP3D  (0471D622)  logon failure for lydia mail.XXXXXXX.XXX
from
63.201.40.234
08:15 08:43 POP3D  UNK: mail.XXXXXXX.XXX - kayla
08:15 08:43 POP3D  (0471D68F)  logon failure for mail mail.XXXXXXX.XXX
from
63.201.40.234
08:15 08:43 POP3D  UNK: mail.XXXXXXX.XXX - kent
08:15 08:43 POP3D  (0471D6FC)  logon failure for kayla mail.XXXXXXX.XXX
from
63.201.40.234
08:15 08:43 POP3D  UNK: mail.XXXXXXX.XXX - kirk
08:15 08:43 POP3D  (0471D76A)  logon failure for kent mail.XXXXXXX.XXX
from
63.201.40.234

This is just a tiny snippet of the attack, which brought the POP3
service to its knees.  Imail 8.22

I haven't been able to find any information about thwarting such an
attack
-- or even any reports of such attacks occurring for that matter, so I
turn to you for your valued input.  Obviously, the implications are
quite serious.

Archer


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