Purchased IPv4 Woes

Sun Mar 12 05:02:08 UTC 2017

Validating is a lot of work, but you have to do it. I know there are lots
of blocks with RBL problems. Some spammers make so much money, they easily
afford to buy small blocks , abuse them to make money, buy more blocks and
put the olds up for sale. Careful price is rarely a tell about a bad
block. Only the cost of their first block is their initial sunk cost, as
they cycle through blocks.

Thank You
Bob Evans
CTO

> Indeed.
>
> Let this be a lesson: when purchasing blocks, one MUST do their due
> diligence. Check the RBLs, senderbase, previous owner reputation, etc.
> before buying.
>
> Caveat emptor.
>
>
> On 3/11/17 3:13 PM, Martin Hannigan wrote:
>> Which broker did you use fot the transaction?
>>
>>  Did you get a discount for knowingly accepting a dirty block or is this
>> a
>> surprise?
>>
>> Are folks asking for warranties on acquired addresses these days?
>>
>> Cheers,
>>
>> -M<
>>
>>
>>
>>
>>
>>
>> Best,
>>
>> -M<
>>
>>
>>
>>
>> On Fri, Mar 10, 2017 at 12:11 Pete Baldwin <pete at tccmail.ca> wrote:
>>
>>> Hi All,
>>>
>>>      Hopefully this is not taken in bad taste.   Our organization
>>> purchased some IP space last year (163.182.192.0/18 to be specific),
>>> and
>>> it appears that this block must have been used for less-than-admirable
>>> purposes in the past.
>>>
>>> We have been trying to clean up the reputation where possible, and we
>>> do
>>> not appear to be on any blacklists, but we do appear to be blocked from
>>> a lot of networks across the US/Canada.    I am noticing a lot of name
>>> servers blocking our requests, many web servers, gaming servers, mail
>>> etc.
>>>
>>> This is a transition block for us to move towards v6 everywhere, but we
>>> have many systems that will need to rely on this block of space for
>>> some
>>> time to come.
>>>
>>> We are a small rural co-op ISP in Ontario, and I am just writing this
>>> email as an extra plea so that if you happen to run a network that has
>>> this entire range on your naughty list, we would appreciate you giving
>>> it another chance.  I can be contacted on or off list, thanks.
>>>
>>>
>>> --
>>>
>>>
>>> -----
>>>
>>> Pete Baldwin
>>> Tuckersmith Communications
>>> (P) 519-565-2400
>>> (C) 519-441-7383
>>>
>>>
>