31.13.78.0/24

ip:	31.13.78.0 
loc:	New Zealand, Auckland (Auckland)  
isp:	AS32934 Facebook, Inc. » Facebook, Inc. » Facebook, Inc 459.163 ms
route:	31.13.78.0/24, IE-FACEBOOK-20110418 - META PLATFORMS IRELAND LIMITED, NZ (Auckland) ... 
reg:	31.13.64.0/18, NZ, RIPE, 2011-04-18
asn:	AS32934 - FACEBOOK Facebook Inc., US
addr:	  4 GRAND CANAL SQUARE GRAND CANAL HARBOUR 462129 Dublin IRELAND
online:	  117 » latency: 291 ms (291ms) 

see also:
   31.13.64.0/18    AS32934  IE-FACEBOOK-20110418 META PLATFORMS IRELAND LIMITED, IE