72.157.20.0/23

ip:	72.157.20.0 
loc:	United States, Greenville (South Carolina)  
isp:	AS7018 AT&T Enterprises, LLC » AT&T Enterprises, LLC » EARS Loopback 1 - GSP 1633.817 ms
route:	72.157.20.0/23, BLS-72-157-20-0-1001291007 - EARS Loopback 1 - GSP, US (Atlanta (Buckhead)) ... 
reg:	72.156.0.0/14, US, ARIN, 2005-08-11
asn:	AS7018 - ATT-INTERNET4 AT&T Enterprises LLC, US
	  AS3356  - LEVEL3 Level 3 Parent, LLC, US
	  AS6939  - HURRICANE Hurricane Electric LLC, US
	  AS2914  - NTT-DATA-2914 NTT America, Inc., US
	  AS1299  - TWELVE99 Arelion, f/k/a Telia Carrier, SE
	  AS6453  - AS6453 TATA COMMUNICATIONS (AMERICA) INC, US
addr:	  575 Morosgo Dr. NE Atlanta GA 30324 US
online:	  12 » latency: 126 ms (126ms) 

see also:
   72.156.0.0/14    AS6389   BELLSNET-BLK16 AT&T Enterprises, LLC, US