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Sorry, we have no information about www-02-01-snc1.facebook.com. facebook.com is a domain controlled by four nameservers. Two of them are on the same IP network. Incoming mail for facebook.com is handled by two mailservers on the same IP network. facebook.com has five IP numbers. Some of them are on the same IP network.

facebook.com
a records
 
+ 69.63.181.11 69.63.176.0/21 AS32934  
+ ---  
+ 69.63.181.12 69.63.176.0/21 AS32934  
+ 69.63.184.142 69.63.184.0/21 AS32934  
+ 69.63.187.17 69.63.184.0/21 AS32934  
+ 69.63.187.19 69.63.184.0/21 AS32934  
ns-soa records
 
+   AS?  
+ ---  
ns records
ns1.facebook.com
+ 204.74.66.132 204.74.66.0/24 AS12008  
+ ---  
ns2.facebook.com
+ 204.74.67.132 204.74.67.0/24 AS12008  
dns04.sf2p.tfbnw.net
+ 69.63.176.8 69.63.176.0/21 AS32934 -
+ --- -
dns05.sf2p.tfbnw.net
+ 69.63.176.9 69.63.176.0/21 AS32934 -
mx records
mx.snc1.tfbnw.net
+ 69.63.179.26 69.63.176.0/21 AS32934 -
+ --- -
mx.sf2p.tfbnw.net
+ 69.63.176.71 69.63.176.0/21 AS32934 -
ip numbers using ptr to this host
69.63.178.11