86.128.0.0/11

ip:	86.128.0.0 host86-128-0-0.range86-128.btcentralplus.com
loc:	United Kingdom, Deptford (England)  
isp:	AS2856 British Telecommunications Limited » BT Public Internet Service »  153.809 ms
route:	86.128.0.0/11, BT-INFRA - BT Infrastructure Layer, GB (London) ... 
reg:	86.128.0.0/10, GB, RIPE, 2005-02-07
asn:	AS2856 - BT-UK-AS British Telecommunications PLC, GB
	  AS5400  - BT British Telecommunications PLC, GB
	  AS6461  - ZAYO-6461 Zayo Bandwidth, US
addr:	  Adhara Adastral Park Martlesham Heath Ipswich SUFFLK   IP5 3RE GB
online:	  55.974 » latency: 53 ms (177ms) 

see also:
   86.128.0.0/10    AS2856   UK-BT-20050207 British Telecommunications PLC, GB