diff --git a/Reference-Manual.mediawiki b/Reference-Manual.mediawiki
index bb18c81..5936a2d 100644
--- a/Reference-Manual.mediawiki
+++ b/Reference-Manual.mediawiki
@@ -3419,7 +3419,8 @@ These are the reserved ranges:
 *1,010,000-1,999,999: unused (available for reservation)
 *2,000,000-2,999,999: reserved for rules from Trustwave's SpiderLabs Research team
 *3,000,000-3,999,999: reserved for use by Akamai [http://www.akamai.com/html/solutions/waf.html]
-*4,000,000 and above: unused (available for reservation)
+*4,000,000-4,099,999 reserved: in use by AviNetworks [https://kb.avinetworks.com/docs/latest/vantage-web-app-firewall-beta/]
+*4,100,000 and above: unused (available for reservation)
 
 == initcol ==
 '''Description:''' Initializes a named persistent collection, either by loading data from storage or by creating a new collection in memory.