Potential Prefix Hijack

Gustavo Rodrigues Ramos gustavo at nexthop.com.br
Tue Nov 11 00:21:05 CST 2008


I've just contacted (after three looong hours waiting...) and forward
those e-mails to them. Hope that helps ...

Can someone confirm that the issue is still happening? Maybe a show
bgp something would help me talk to them.


On Tue, Nov 11, 2008 at 4:12 AM, Frank Bulk <frnkblk at iname.com> wrote:
> More contact people here:
> http://www.bovespa.com.br/Companies/FormConsultaImpressao.asp?CodCVM=21032
>
> If I knew someone (readily available) who spoke Portuguese I would call them, but alas, they are sleeping and not technical.
>
> Frank
>
> -----Original Message-----
> From: Tim Peiffer [mailto:peiffer at umn.edu]
> Sent: Monday, November 10, 2008 9:04 PM
> To: mtinka at globaltransit.net
> Cc: nanog at nanog.org
> Subject: Re: Potential Prefix Hijack
>
> Mark Tinka wrote:
>> Hi all.
>>
>> Anyone know how we can contact AS16735 and their upstream
>> AS27664. We think they are hijacking a number of our
>> prefixes (AS24218- and AS17992-originated). Thanks BGPmon:
>>
>>
> All 19 of my prefixes for AS57, AS217 and AS1998 are being hijacked by
> the same ASN. I sent a note to the ASN contact
> adrianamr at CTBCTELECOM.NET.BR. I can't seem to contact lacnic for more
> than a few queries without being blacked out.
>
>
> Tim Peiffer
> Network Support Engineer
> Office of Information Technology
> University of Minnesota/NorthernLights GigaPOP
>
> % Joint Whois - whois.lacnic.net
> % This server accepts single ASN, IPv4 or IPv6 queries
>
> % LACNIC resource: whois.lacnic.net
>
>
> % Copyright LACNIC lacnic.net
> % The data below is provided for information purposes
> % and to assist persons in obtaining information about or
> % related to AS and IP numbers registrations
> % By submitting a whois query, you agree to use this data
> % only for lawful purposes.
> % 2008-11-11 00:51:09 (BRST -02:00)
>
> aut-num: AS16735
> owner: Companhia de Telecomunicacoes do Brasil Central
> ownerid: BR-CTBC1-LACNIC
> responsible: Adriana Maria Rocha Paula
> address: Av Jo�o Pinheiro, 620, Centro
> address: 38400-126 - Uberl�ndia - MG
> country: BR
> phone: +34 3256 2575 [2575]
> owner-c: AMP
> routing-c: AMP
> abuse-c: AMP
> created: 20000605
> changed: 20040415
>
> nic-hdl: AMP
> person: Adriana Maria Rocha Paula
> e-mail: adrianamr at CTBCTELECOM.NET.BR
> address: Rua Jos� Alves Garcia, 415,
> address: 38400710 - Uberl�ndia -
> country: BR
> phone: +34 3256 2575 [2575]
> created: 20040628
> changed: 20040628
>
> % whois.lacnic.net accepts only direct match queries.
> % Types of queries are: POCs, ownerid, CIDR blocks, IP
> % and AS numbers.
>
>
>> e.g.,
>>
>> ====================
>> Possible Prefix Hijack (Code: 11)
>> 1 number of peer(s) detected this updates for your prefix
>> 61.11.208.0/20:
>> Update details: 2008-11-11 02:24 (UTC)
>> 61.11.208.0/20
>> Announced by: AS16735 (Companhia de Telecomunicacoes do
>> Brasil Central)
>> Transit AS: 27664 (CTBC Multim�dia)
>> ASpath: 27664 16735
>> =====================
>>
>> RIPE's RIS BGPlay confirms the same, for about the last
>> hour.
>>
>> E-mails to them won't get there (of course), so our NOC are
>> contacting them via Gmail/Yahoo.
>>
>> All help appreciated.
>>
>> Cheers,
>>
>> Mark.
>>
>
>
>
>
>


More information about the NANOG mailing list