Reply to Sean Donelan (was: Yet more hijacked space? -

jlewis at jlewis at
Tue May 6 14:39:26 UTC 2003

On Tue, 6 May 2003 alex at wrote:

> BS. Cogent provides publically available reassignment info in its rwhois 
> database. 
> Comment:    ********************************************
> Comment:    Reassignment information for this block is
> Comment:    available at port 4321
> Comment:    ********************************************

Not for all of their the very least, not for ones acquired via 

$ whois at
%rwhois V-1.5:0010b0:00
%Error 230 No objects found.

There are multiple systems in spewing spam.  How do you 
tell who they belong to and how much address space they have?

Fortunately, in this case, reverse DNS and traceroutes make it pretty 
clear this is a single (entire) /24 of spammer systems.

OrgName:    Performance Systems International Inc.
OrgID:      PSI
Address:    1015 31st Street, NW
City:       Washington
StateProv:  DC
PostalCode: 20007
Country:    US
NetRange: -
NetName:    PSINETA
NetHandle:  NET-38-0-0-0-1
NetType:    Direct Allocation
NameServer: NS.PSI.NET
NameServer: NS2.PSI.NET
RegDate:    1991-04-16
Updated:    2003-03-14
TechName:   PSINet, Inc.
TechPhone:  +1-518-283-8860
TechEmail:  hostinfo at
OrgAbuseHandle: COGEN-ARIN
OrgAbuseName:   Cogent Abuse
OrgAbusePhone:  +1-877-875-4311
OrgAbuseEmail:  abuse at
OrgNOCHandle: ZC108-ARIN
OrgNOCName:   Cogent Communications
OrgNOCPhone:  +1-877-875-4311
OrgNOCEmail:  noc at
OrgTechHandle: IPALL-ARIN
OrgTechName:   IP Allocation
OrgTechPhone:  +1-877-875-4311
OrgTechEmail:  ipalloc at

 Jon Lewis *jlewis at*|  I route
 System Administrator        |  therefore you are
 Atlantic Net                |  
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