Top 10 Worst Spam Service ISPs

04/03/2006 by Spamhaus Blocklist
Spamhaus Blocklist has put together a list of the Top 10 Worst Spam Service ISPs. Check out the list below.
1

mci.com

mci.com
mci.com242 ***


2

sbc.com

sbc.com
sbc.com92 ***


3

comcast.net

comcast.net
comcast.net64 ***


4

kornet.net

kornet.net
kornet.net48 ***


5

cncgroup-hi

cncgroup-hi
cncgroup-hi39 ***


6

xo.com

xo.com
xo.com44 ***


7

level3.net

level3.net
level3.net41 ***


8

tfn.net.tw

tfn.net.tw
tfn.net.tw40 ***


9

china-netcom.com

china-netcom.com
china-netcom.com40 ***


10

vnn.vn

vnn.vn
vnn.vnvnn.vn ***