Blackhole route advertisements by AS14037 of our IP space - please filter them out at your end

Suresh Ramasubramanian ops.lists at gmail.com
Wed Nov 19 22:43:12 CST 2008


If you see 208.36.123.0/24 being announced from any other prefix than
XO (2828 I guess) please ignore it.  Especially if you see it
announced from 19318 or 14037.

On Thu, Nov 20, 2008 at 9:38 AM, Suresh Ramasubramanian
<ops.lists at gmail.com> wrote:
> These routes are also being injected by another AS belonging to
> Rackvibe - AS19318
>
> This is the guy from rackvibe who said he'd blackhole us because we
> blocked him for hosting spammers.
>
> RNOCHandle: GC373-ARIN
> RNOCName:   Czupryna, Gregg
> RNOCPhone:  +1-201-605-1425
> RNOCEmail:  gregg at njiix.net
>
> RTechHandle: GC373-ARIN
> RTechName:   Czupryna, Gregg
> RTechPhone:  +1-201-605-1425
> RTechEmail:  gregg at njiix.net
>
>  Network          Next Hop            Metric LocPrf Weight Path
> *>i 208.36.123.0     209.123.44.153                100      0 8001 19318
> 14037 i
>
> telnet route-server.quagga.net port 2605 shows various ASNs
> exclusively getting blackhole routes from AS19318
>
>
>
> On Thu, Nov 20, 2008 at 8:03 AM, Suresh Ramasubramanian
> <ops.lists at gmail.com> wrote:
>> Hi
>>
>> We blocked some prefixes belonging to AS14037 (rackvibe llc) due to
>> their hosting spammers.
>>
>> Rackvibe decided to nullroute us back in reply - thats up to them I guess
>>
>> Only they're dumb enough to inject these blackhole announcements into
>> the cloud, and various other networks are picking up on these
>> announcements
>>
>> TIA for filtering these out at your end
>>
>> Our IPs are below - at least 208.36.123/24 seems to be announced as a
>> blackhole route by rackvibe -
>>
>> 205.158.62.0/24
>> 208.36.123.0/24
>> 203.86.166.0/24
>> 65.49.50.0/24
>> 65.49.50.0/24
>> 64.71.166.192/27
>> 64.62.181.80/28
>>
>> srs
>>
>> Paths: (7 available, best #7, table Default-IP-Routing-Table)
>>  Not advertised to any peer
>>  16150 6939 19318 14037
>>    217.75.96.60 from 217.75.96.60 (217.75.96.60)
>>      Origin IGP, metric 0, localpref 100, valid, external
>>      Community: 16150:63392 16150:65320 16150:65426
>>  3333 1103 1273 19318 14037
>>    193.0.0.56 from 193.0.0.56 (193.0.0.56)
>>      Origin IGP, localpref 100, valid, external
>>      Community: 1103:1000 1273:21000 1273:21971 14037:6855 19318:999
>> 19318:4000 19318:6855 19318:40012 21698:999 21698:4000 21698:6855
>>  3277 3216 1273 19318 14037
>>    194.85.4.55 from 194.85.4.55 (194.85.4.16)
>>      Origin IGP, localpref 100, valid, external
>>      Community: 1273:21000 1273:21971 3216:3000 3216:3001 3277:3216
>> 14037:6855 19318:999 19318:4000 19318:6855 19318:40012 21698:999
>> 21698:4000 21698:6855
>>  812 19318 14037
>>
>
>
>
> --
> Suresh Ramasubramanian (ops.lists at gmail.com)
>



-- 
Suresh Ramasubramanian (ops.lists at gmail.com)




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