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yellowpages.bigbook.com has one IP number , which also has a corresponding reverse pointer. bigbook.com is a domain controlled by three nameservers at superpages.com. Two of them are on the same IP network. bigbook.com has one IP number. yellowpages.bigbook.com is hosted on a server in United States.

yellowpages.bigbook.com
a records
 
+ 151.138.22.98 151.138.0.0/16 AS6482 -
+ --- -

bigbook.com
a records
 
+ 151.138.22.50 151.138.0.0/16 AS6482  
+ ---  
ns-soa records
 
+   AS?  
+ ---  
ns records
ns3.superpages.com
+ 151.138.64.10 151.138.64.0/24 AS6482 ns3.idearcmedia.com
+ --- ns3.idearcmedia.com
+ --- ns3.localsearch.com
+ --- ns3.superyellowpages.com
+ --- ns3.switchboard.com
+ --- -
ns.superpages.com
+ 151.138.47.10 151.138.0.0/16 AS6482 -
+ --- ns.idearcmedia.com
+ --- ns.localsearch.com
+ --- ns.switchboard.com
+ --- ns.superyellowpages.com
ns1.superpages.com
+ 151.138.1.28 151.138.0.0/16 AS6482 ns1.switchboard.com
+ --- ns1.switchboard.com
+ --- -
+ --- ns1.superpages.com.3
+ --- ns1.localsearch.com
+ --- ns1.superyellowpages.com
+ --- ns1.idearcmedia.com
ip numbers of host
151.138.22.98
ptrs of ip numbers
yellowpages.bigbook.com
ip numbers using ptr to this host
151.138.22.98