166.46.176.0/20

ip:	166.46.176.0 
loc:	United States, Ashburn (Virginia)  
isp:	AS3372 Verizon Business » Verizon Business » MCI Telecommunications 867.849 ms
route:	166.46.176.0/20, MCI-NETCS17 - Verizon Business, US (Ashburn) ... 
reg:	166.46.0.0/15, US, ARIN, 1993-03-24
asn:	AS3372 - MCI-ASN Verizon Business, US
	  AS3378  - MCI-ASN Verizon Business, US
addr:	  22001 Loudoun County Pkwy Ashburn VA 20147 US

see also:
   166.32.0.0/12    AS3371   NET166 Various Registries (Maintained by ARIN), US