4.38.0.0/21

ip:	4.38.0.0 
loc:	United States, Monroe (Louisiana)  
isp:	AS3356 Level 3 Parent, LLC » Level 3 Communications, Inc. » Level 3, LLC 588.22 ms
route:	4.38.0.0/21, LVLT-ATTMO-3-4-38 - AT&T Mobility LLC, US (New York) ... 
reg:	4.0.0.0/9, US, ARIN, 1992-12-01
asn:	AS7287 - PBI-NET-BLK2 AT&T Enterprises, LLC, US
	  AS7018  - ATT-INTERNET4 AT&T Enterprises, LLC, US
addr:	  7277 164th Ave NE ATTN:  IP Management Redmond WA 98052 US

see also:
   4.0.0.0/9        AS3356   LVLT-ORG-4-8 Level 3 Parent, LLC, US