5.57.19.0/24

ip:	5.57.19.0 
loc:	The Netherlands, Amsterdam (North Holland)  
isp:	AS43996 Booking.com BV » Booking.com »  337.301 ms
route:	5.57.19.0/24, NET-BOOKING-001 - Booking.com NL, NL (Amsterdam (Centrum)) ... 
reg:	5.57.16.0/21, NL, RIPE, 2012-05-31
asn:	AS43996 - BOOKING-BV Booking.com BV, NL
addr:	  Herengracht 597 1017 CE Amsterdam Netherlands
online:	  2 » latency: 33 ms (33ms) 

see also:
   5.57.16.0/22     AS43996  NET-BOOKING-001 Booking.com, GB