23.89.112.0/21

ip:	23.89.112.0 
loc:	The Netherlands, Aalsmeer (North Holland)  
isp:	AS13445 Cisco Webex LLC » Cisco Webex LLC » Cisco Webex LLC 342.125 ms
route:	23.89.112.0/21, WEX - Cisco Webex LLC, NL (Amsterdam) ... 
reg:	23.89.0.0/16, US, ARIN, 2021-03-17
asn:	AS13445 - WEBEX Cisco Webex LLC, US
addr:	  170 W. Tasman Drive San Jose CA 95134 US
online:	  533 » latency: 47 ms (63ms) 

see also:
   23.89.64.0/18    AS13445  WEX Cisco Webex LLC, US