[125419] in North American Network Operators' Group
Re: Tracking down reverse for ip
daemon@ATHENA.MIT.EDU (Patrick Muldoon)
Thu Apr 15 16:22:04 2010
From: Patrick Muldoon <doon.bulk@inoc.net>
In-Reply-To: <154EDE9026B3D54F883B20F2BBDCF8795DF12AE3@exbe01.windows.riversidecg.com>
Date: Thu, 15 Apr 2010 16:21:49 -0400
To: Joe Johnson <joe@riversidecg.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Apr 15, 2010, at 4:13 PM, Joe Johnson wrote:
>> What is the best way to find out the responciable servers for this?
>> Thanx in advance.
>=20
> Call AT&T? Or Gary Surdyke Motorcycle, inc?
>=20
> root@jjohnson-ubuntu:~# whois 12.43.95.126
> AT&T WorldNet Services ATT (NET-12-0-0-0-1)
> 12.0.0.0 - 12.255.255.255
> GARY SURDYKE MOTORCYCLE INC. ATT240-95-112 (NET-12-43-95-112-1)
> 12.43.95.112 - 12.43.95.127
>=20
> # ARIN WHOIS database, last updated 2010-04-14 20:00
> # Enter ? for additional hints on searching ARIN's WHOIS database.
> #
> # ARIN WHOIS data and services are subject to the Terms of Use
> # available at https://www.arin.net/whois_tou.html
>=20
it appears that AT&T has delegate the PTRs to...
112-28.95.43.12.in-addr.arpa. 172800 IN NS ns2.nightowl.net.
112-28.95.43.12.in-addr.arpa. 172800 IN NS mail.nightowl.net.
[doon@gyruss:~] dig ns +trace -x 12.43.95.126
; <<>> DiG 9.3.3 <<>> ns +trace -x 12.43.95.126
;; global options: printcmd
. 502744 IN NS b.root-servers.net.
. 502744 IN NS l.root-servers.net.
. 502744 IN NS c.root-servers.net.
. 502744 IN NS g.root-servers.net.
. 502744 IN NS a.root-servers.net.
. 502744 IN NS f.root-servers.net.
. 502744 IN NS m.root-servers.net.
. 502744 IN NS e.root-servers.net.
. 502744 IN NS k.root-servers.net.
. 502744 IN NS d.root-servers.net.
. 502744 IN NS j.root-servers.net.
. 502744 IN NS i.root-servers.net.
. 502744 IN NS h.root-servers.net.
;; Received 480 bytes from 127.0.0.1#53(127.0.0.1) in 2 ms
12.in-addr.arpa. 86400 IN NS =
CBRU.BR.NS.ELS-GMS.ATT.NET.
12.in-addr.arpa. 86400 IN NS =
DMTU.MT.NS.ELS-GMS.ATT.NET.
12.in-addr.arpa. 86400 IN NS =
DBRU.BR.NS.ELS-GMS.ATT.NET.
12.in-addr.arpa. 86400 IN NS =
CMTU.MT.NS.ELS-GMS.ATT.NET.
;; Received 143 bytes from 192.228.79.201#53(b.root-servers.net) in 80 =
ms
126.95.43.12.in-addr.arpa. 172800 IN CNAME =
126.112-28.95.43.12.in-addr.arpa.
112-28.95.43.12.in-addr.arpa. 172800 IN NS ns2.nightowl.net.
112-28.95.43.12.in-addr.arpa. 172800 IN NS mail.nightowl.net.
;; Received 117 bytes from =
199.191.128.105#53(CBRU.BR.NS.ELS-GMS.ATT.NET) in 42 ms
-Patrick
--
Patrick Muldoon
Network/Software Engineer
INOC (http://www.inoc.net)
PGPKEY (http://www.inoc.net/~doon)
Key ID: 0x370D752C
There are only 10 types of people in this world, those that understand =
binary and those that don't
