Check out these posting related to the scam being run by barracudacentral.org
http://www.debian-administration.org/users/simonw/weblog/295Don't use this service to try and block spamming there are other better blacklist to use.
OrgName: Barracuda Networks, Inc.
OrgID: BARRA-7
Address: 3175 S. Winchester Blvd
City: Campbell
StateProv: CA
PostalCode: 95008
Country: US
NetRange: 64.235.144.0 - 64.235.159.255
CIDR: 64.235.144.0/20
OriginAS: AS15324
NetName: BARRAUCDA
NetHandle: NET-64-235-144-0-1
Parent: NET-64-0-0-0-0
NetType: Direct Assignment
NameServer: NS1.BARRACUDA.COM
NameServer: NS2.BARRACUDA.COM
Comment:
RegDate: 2006-10-31
Updated: 2008-06-05
RAbuseHandle: BARRA1-ARIN
RAbuseName: Barracuda Hostmaster
RAbusePhone: +1-408-342-5400
RAbuseEmail:
hostmaster@barracuda.comRNOCHandle: BARRA1-ARIN
RNOCName: Barracuda Hostmaster
RNOCPhone: +1-408-342-5400
RNOCEmail:
hostmaster@barracuda.comRTechHandle: BARRA1-ARIN
RTechName: Barracuda Hostmaster
RTechPhone: +1-408-342-5400
RTechEmail:
hostmaster@barracuda.comOrgTechHandle: BARRA1-ARIN
OrgTechName: Barracuda Hostmaster
OrgTechPhone: +1-408-342-5400
OrgTechEmail:
hostmaster@barracuda.com# ARIN WHOIS database, last updated 2009-01-19 19:10
# Enter ? for additional hints on searching ARIN's WHOIS database.