63.128.8.0/22

ip:	63.128.8.0 
loc:	United States, Charleston (South Carolina)  
isp:	AS203 Level 3 Parent, LLC » CenturyLink Communications » Blackbaud, Inc. 670.083 ms
route:	63.128.8.0/22, SAVV-S259964-15 - Blackbaud, Inc., US (Charleston) ... 
reg:	63.128.0.0/15, US, ARIN, 1999-11-30
asn:	AS203 - CENTURYLINK-LEGACY-LVLT-203 Level 3 Parent LLC, US
	  AS3356  - LEVEL3 Level 3 Parent, LLC, US
addr:	  2000 Daniel Island Drive ATTN Accounts Payable Charleston SC 29492 US
online:	  466 » latency: 109 ms (121ms) 

see also:
   63.128.0.0/15    AS3561   CENTURYLINK-LEGACY-SAVVIS-BLK236 CenturyLink Communications, LLC, US
   63.128.0.0/18    AS3561   CENTURYLINK-LEGACY-SAVVIS-BLK236 CenturyLink Communications, LLC, US