Re: Authoritative DNS server for 12.54.94.0/23 PTR

2011-09-27 Thread Keegan Holley
Looks like I typo'd the third octet. 2011/9/27 Keegan Holley > it looks like ATT still answers the queries. I'd assume that any changes > would have to be authorized by the customer though. Why not just call > Siemens Medical? > > ; <<>> DiG 9.6.0-APPLE-P2 <<>> -x 12.54.91.1 > ;; global option

Re: Authoritative DNS server for 12.54.94.0/23 PTR

2011-09-27 Thread Dave Hart
On Tue, Sep 27, 2011 at 20:06 UTC, Keegan Holley wrote: > it looks like ATT still answers the queries. Actually those two /24s are delegated to siemensmedical.com nameservers. Your query typo'd the third octet: ; <<>> DiG 9.8.0-P4 <<>> +trace -x 12.54.94.1 ;; global options: +cmd .

Re: Authoritative DNS server for 12.54.94.0/23 PTR

2011-09-27 Thread Keegan Holley
it looks like ATT still answers the queries. I'd assume that any changes would have to be authorized by the customer though. Why not just call Siemens Medical? ; <<>> DiG 9.6.0-APPLE-P2 <<>> -x 12.54.91.1 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id:

Re: Authoritative DNS server for 12.54.94.0/23 PTR

2011-09-27 Thread Wilson Abigaba
Hi Michael, Have you tried reaching the contacts at http://whois.arin.net/rest/poc/JMO282-ARIN.html directly? Kind Regards, Wilson On Tue, Sep 27, 2011 at 22:21, Mike Gatti wrote: > Hello Nanog Members, > > We have been having some issue doing reverse lookups for ip's in the > 12.54.94.0/23 p

Authoritative DNS server for 12.54.94.0/23 PTR

2011-09-27 Thread Mike Gatti
Hello Nanog Members, We have been having some issue doing reverse lookups for ip's in the 12.54.94.0/23 prefix. We know that this block is assigned to AT&T and AT&T has assigned that block to Siemens Medical (based on whois queries). We are now trying to find out who would be the authoritative