131.238.0.0/16

ip:	131.238.0.0 
loc:	United States, Dayton (Ohio)  
isp:	AS32234 University of Dayton » University of Dayton » University of Dayton 1.233 ms
route:	131.238.0.0/16, UNIVER-139-Z - University of Dayton, US (Dayton (University Park)) ... 
reg:	131.238.0.0/16, US, ARIN, 1989-02-03
asn:	AS32234 - UD-ACA-AS University of Dayton, US
	  AS600   - OARNET-AS OARnet, US
addr:	  300 College Park Dayton OH 45469 US
online:	  107 » latency: 118 ms (127ms) 

see also:
   131.238.17.0/24  AS32234  DAYTON University of Dayton, US
   131.238.28.0/24  AS600    DAYTON University of Dayton, US