latest news: Nov 24: the whois tab now also works on IP-numbers

ns5.yahoo.com

ns5.yahoo.com has one IP record. 216.109.116.17 and 119.160.247.124 reverses to this hostname. av.com, who.com, icio.us, yahoo.pk, yimg.com and at least 100 other hosts use this as a nameserver.

base record name ip reverse route as
ns5.yahoo.com a   119.160.247.124
dns
- 119.160.240.0/20
Yahoo! TW
AS10229
YAHOO-TPE Internet Content Provider
ptr 216.109.116.17 216.109.112.0/20
AC2 YST allocaton
AS14778
INKT-PROXY Yahoo AC2
yahoo.com a 68.180.206.184 w2.rc.vip.sp1.yahoo.com 68.180.192.0/20
Yahoo SP1 space
AS36752
Yahoo-SP1 Yahoo SP1 datacenter
206.190.60.37 w2.rc.vip.re4.yahoo.com 206.190.32.0/19
Yahoo RE1 datacenter space
AS14779
Yahoo-RE1 Yahoo RE1 datacenter
ptr 75.126.183.173
Apache/2.0.52 (Red Hat)
220 oursogo.com ESMTP
dns
- 75.126.0.0/16
PNAP-DAL Softlayer Route
AS36351
SOFTLAYER Technologies Inc.
85.17.42.136
Apache/2.2.3 (CentOS)
85.17.0.0/16
LEASEWEB
AS16265
LeaseWeb AS Amsterdam, Netherlands
ns ns1.yahoo.com 68.180.131.16
dns
68.180.131.0/24
Yahoo! Anycast-2 Netblock 1
AS10880
Yahoo-Anycast-2 Yahoo Anycast Network 2
ns2.yahoo.com 68.142.255.16 68.142.255.0/24
Yahoo! Anycast-1 Netblock 1
AS7280
Yahoo-Anycast-1 Yahoo Anycast Network 1
ns3.yahoo.com 217.12.4.104
dns
217.12.0.0/20
Yahoo-EU-NET
AS15635
YAHOO-UKL Yahoo! UKL Datacentre, London, UK
ns4.yahoo.com 68.142.196.63
dns
68.142.192.0/19
Yahoo MUD
AS14780
Yahoo-MUD Yahoo MUD
ns5.yahoo.com 119.160.247.124
dns
119.160.240.0/20
Yahoo! TW
AS10229
YAHOO-TPE Internet Content Provider
ns8.yahoo.com 202.165.104.22
dns
202.165.104.0/22
Yahoo China - CNB
AS10228
YAHOO-CN Internet Content Provider
ns6.yahoo.com 202.43.223.170
dns
202.43.220.0/22
REACH (Customer Route)
AS18293
YAHOO-HK2-AP Internet content provider
mx a.mx.mail.yahoo.com 67.195.168.31
220 mta129.mail.ac4.yahoo.com ESMTP YSmt...
mta-v1.mail.vip.ac4.yahoo.com 67.195.160.0/19
Yahoo ac2
AS14778
INKT-PROXY Yahoo AC2
b.mx.mail.yahoo.com 66.196.97.250
220 mta211.mail.re3.yahoo.com ESMTP YSmt...
mta-v1.mail.vip.re3.yahoo.com 66.196.96.0/21
Inktomi RE1
AS14779
Yahoo-RE1 Yahoo RE1 datacenter
c.mx.mail.yahoo.com 216.39.53.2
220 mta270.mail.re4.yahoo.com ESMTP YSmt...
mta-v13.mail.vip.re4.yahoo.com 216.39.48.0/20
AC2 datacenter
216.39.53.3
220 mta293.mail.re4.yahoo.com ESMTP YSmt...
mta-v14.mail.vip.re4.yahoo.com
d.mx.mail.yahoo.com 66.196.82.7
220 mta156.mail.re1.yahoo.com ESMTP YSmt...
mta-v15.mail.vip.re1.yahoo.com 66.196.80.0/21
Yahoo-RE1
e.mx.mail.yahoo.com 216.39.53.1
220 mta133.mail.re4.yahoo.com ESMTP YSmt...
mta-v12.mail.vip.re4.yahoo.com 216.39.48.0/20
AC2 datacenter
f.mx.mail.yahoo.com 68.142.202.247
220 mta263.mail.mud.yahoo.com ESMTP YSmt...
mta-v9.mail.vip.mud.yahoo.com 68.142.192.0/19
Yahoo MUD
AS14780
Yahoo-MUD Yahoo MUD
209.191.88.247
220 mta658.mail.mud.yahoo.com ESMTP YSmt...
mta-v10.mail.vip.mud.yahoo.com 209.191.64.0/18
Yahoo MUD space
g.mx.mail.yahoo.com 206.190.53.191 mta-v11.mail.vip.re2.yahoo.com 206.190.32.0/19
Yahoo RE1 datacenter space
AS14779
Yahoo-RE1 Yahoo RE1 datacenter
209.191.118.103
220 mta517.mail.mud.yahoo.com ESMTP YSmt...
mta-v8.mail.vip.mud.yahoo.com 209.191.64.0/18
Yahoo MUD space
AS14780
Yahoo-MUD Yahoo MUD
com mx.mail.yahoo.com mail.yahoo.com vip.re4.yahoo.com re4.yahoo.com mail.vip.mud.yahoo.com mud.yahoo.com vip.mud.yahoo.com mail.vip.re4.yahoo.com vip.re3.yahoo.com
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