Reverse Lookups with Forwarders

[Jason Hellenthal]

Oops mistype

range:       172.16.0.0 > 172.31.255.255                                    range b10:   2886729728 > 2887778303  range b16:   0xac100000 > 0xac1fffff  hosts:       1048576                  prefixlen:   12                       mask:        255.240.0.0    

-- 
 Jason Hellenthal
 Inbox: jhellenthal at DataIX.net
 Voice: +1 (616) 953-0176
 JJH48-ARIN


On Jul 9, 2013, at 2:38, Jason Hellenthal <jhellenthal at dataix.net> wrote:

> Only thing I see to be missing here is actual Class B address space 172.16/12 but instead you are trying to forward from Class A public address space assigned to FACEBOOK. I don't quite think you will get that to work... That is unless you are the Facebook authoritative server...
> 
>  range:       172.0.0.0 > 172.15.255.255                                     range b10:   2885681152 > 2886729727  range b16:   0xac000000 > 0xac0fffff  hosts:       1048576                  prefixlen:   12                       mask:        255.240.0.0
> 
> 
> Was this just an intentional obfuscation ?
> 
> #
> # ARIN WHOIS data and services are subject to the Terms of Use
> # available at: https://www.arin.net/whois_tou.html
> #
> 
> 
> #
> # The following results may also be obtained via:
> # http://whois.arin.net/rest/nets;q=173.252.110.0?showDetails=true&showARIN=false&ext=netref2
> #
> 
> NetRange:      173.252.64.0 - 173.252.127.255
> CIDR:          173.252.64.0/18
> OriginAS:      AS32934
> NetName:        FACEBOOK-INC
> NetHandle:      NET-173-252-64-0-1
> Parent:        NET-173-0-0-0-0
> NetType:        Direct Assignment
> RegDate:        2011-02-28
> Updated:        2012-02-24
> Ref:            http://whois.arin.net/rest/net/NET-173-252-64-0-1
> 
> OrgName:        Facebook, Inc.
> OrgId:          THEFA-3
> Address:        1601 Willow Rd.
> City:          Menlo Park
> StateProv:      CA
> PostalCode:    94025
> Country:        US
> RegDate:        2004-08-11
> Updated:        2012-04-17
> Ref:            http://whois.arin.net/rest/org/THEFA-3
> 
> OrgTechHandle: OPERA82-ARIN
> OrgTechName:  Operations
> OrgTechPhone:  +1-650-543-4800 
> OrgTechEmail:  noc at fb.com
> OrgTechRef:    http://whois.arin.net/rest/poc/OPERA82-ARIN
> 
> OrgAbuseHandle: OPERA82-ARIN
> OrgAbuseName:  Operations
> OrgAbusePhone:  +1-650-543-4800 
> OrgAbuseEmail:  noc at fb.com
> OrgAbuseRef:    http://whois.arin.net/rest/poc/OPERA82-ARIN
> 
> 
> #
> # ARIN WHOIS data and services are subject to the Terms of Use
> # available at: https://www.arin.net/whois_tou.html
> #
> 
> -- 
>  Jason Hellenthal
>  Inbox: jhellenthal at DataIX.net
>  Voice: +1 (616) 953-0176
>  JJH48-ARIN
> 
> 
> On Jul 9, 2013, at 2:21, sumsum 2000 <sum2hike at gmail.com> wrote:
> 
>> 173.252.110.0
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