Spam Grouper
Gobbling up spam from servers only listed at ARIN.net

We filter all ip addresses not listed on ARIN are filtered via the firewall and there is no need to for us to filter any other ip's
Firewall list of non-arin ip addresses click here (updated 6/21/14)


Net block list: netblockbl.spamgrouper.to
Do not use this list unless you take full responsibility for the results

This list is only accessed by request!!!


Note: We do not block any e-mail!!!!

We only record ip address and net blocks equal to or larger than /21 (some exceptions to this rule are handled on a case by case basis) We only deal in IP addresses. We use ARIN.net's Whois searches to provide information on all U.S., Canadian and several other small countries in North America.  

http://multirbl.valli.org/lookup/  is the only other way to check the list.


Instructions for a removal request

You have to lookup the listed owner on whois.arin.net

The request has to come from the the listed owner!

and the netblock has to be /21 min. in size!

If you do not understand what a /21 network size is then 

you should ask your porvider or host!!!!

Use spamgrouper@yahoo.com to request 

Only include the ip address in the body of the e-mail!!


We will respond to every correctly formed delisting request.

If you do not get a response, then your request did not follow the instructions and was deleted!

We still get lots of request that do not follow the instructions and are promptly deleted!!

These list are for informational purposes only.

You can use this information for any purpose and take full responsibility for the usage and results of using this information.

Feel free to use either or both list with no warranties of any kind implied or expressed.

THIS SERVICE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND ANY WARRANTIES BOTH EXPRESS AND IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EITHER THE COPYRIGHT HOLDER OR ANY OTHER PERSON USING THE SERVICE BE LIABLE FOR ANY GENERAL, INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES DUE TO THE USE OR IMPOSSIBILITY OF USING THE SERVICE (INCLUDING, BUT NOT LIMITED TO, LOSS OF DATA, OR DATA THAT BECAME WRONG, OR LOSSES CAUSED BY YOU OR BY THIRD PARTIES, OR INCOMPATIBILITY OF A PROGRAM AND/OR SERVICE WITH OTHER PROGRAMS AND/OR SERVICES) EVEN IF SUCH OWNER OR ANOTHER PERSON WERE NOTIFIED OF THE POSSIBILITY OF SUCH DAMAGE.

Under no circumstances can we be held liable for any type of security breach or programming error, no matter what the impact. This service is provided "as is".

All data is provided for your personal information only, and not intended for legal purposes. Spamgrouper.to is not liable for any errors in the data, or for any actions taken in reliance thereon.
SPAMGROUPER.TO MAKES NO WARRANTY, EXPRESSED OR IMPLIED, AS TO THE RESULTS TO BE OBTAINED BY ANY USER OR OTHERS FROM THE USE OF THE INFORMATION PROVIDED HEREUNDER. SPAMGROUPER.TO MAKES NO EXPRESS OR IMPLIED WARRANTIES OF FITNESS OF THE INFORMATION FOR A PARTICULAR PURPOSE OR USE.
The information contained in Spamgrouper.to databases has been developed by Spamgrouper.to and are considered by Spamgrouper.to to be reliable. However, the accuracy and completeness thereof are not guaranteed and Spamgrouper.to and its data suppliers shall have no liability for errors or omissions regardless of the cause or source of such error or omission.
SPAMGROUPER.TO DOES NOT HAVE ANY LIABILITY TO A USER OR TO OTHERS FOR ANY LOST PROFITS OR INDIRECT, SPECIAL, CONSEQUENTIAL, PUNITIVE OR EXEMPLARY DAMAGES, EVEN IF ADVISED IN ADVANCE OF THE POSSIBILITY OF SUCH DAMAGES.
Spamgrouper.to may change or discontinue the databases, or their availability to you, at any time without notice.
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Please no whiners or complainers.