5.57.16.0/24

ip:	5.57.16.0 
loc:	United Kingdom, London (England)  
isp:	AS43996 Booking.com BV » Booking.com GB »  477.575 ms
route:	5.57.16.0/24, NET-BOOKING-001 - Booking.com GB, GB (London) ... 
reg:	5.57.16.0/21, GB, RIPE, 2012-05-31
asn:	AS43996 - BOOKING-BV Booking.com BV, NL
addr:	  Herengracht 597 1017 CE Amsterdam Netherlands
online:	  2 » latency: 48 ms (48ms) 

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