172.64.40.0/24

ip:	172.64.40.0 
loc:	Canada, Toronto (Ontario)  
isp:	AS13335 Cloudflare, Inc. » Cloudflare, Inc. » Cloudflare, Inc. 198.684 ms
route:	172.64.40.0/24, CLOUDFLARENET - Cloudflare, Inc., US (Toronto) ... 
reg:	172.64.0.0/13, US, ARIN, 2015-02-25
asn:	AS13335 - CLOUDFLARENET-AS Cloudflare Inc., US
	  AS5511  - Opentransit Orange S.A., FR
	  AS3257  - GTT-BACKBONE GTT, US
	  AS3356  - LEVEL3 Level 3 Parent, LLC, US
	  AS174   - COGENT-174 Cogent Communications, US
	  AS2497  - IIJ Internet Initiative Japan Inc., JP
	  AS7018  - ATT-INTERNET4 AT&T Enterprises, LLC, US
	  AS2914  - NTT-DATA-2914 NTT America, Inc., US
	  AS6939  - HURRICANE Hurricane Electric LLC, US
addr:	  101 Townsend Street San Francisco CA 94107 US
online:	  254 » latency: 32 ms (32ms) 

see also:
   172.64.32.0/20   AS13335  CLOUDFLARENET Cloudflare, Inc., US