diff --git a/blacklists/blacklist.txt b/blacklists/blacklist.txt
index 9c9d745..5326be4 100644
--- a/blacklists/blacklist.txt
+++ b/blacklists/blacklist.txt
@@ -21,6 +21,7 @@
 109.73.4.224/27
 145.255.238.240/28
 149.62.55.240/30
+176.100.254.0/24
 176.109.0.0/21
 176.116.96.0/20
 178.16.156.148/30
diff --git a/blacklists/blacklist_with_comments.txt b/blacklists/blacklist_with_comments.txt
index d8df084..f14b866 100644
--- a/blacklists/blacklist_with_comments.txt
+++ b/blacklists/blacklist_with_comments.txt
@@ -28,6 +28,9 @@
 # Networks announced by AS197153
 # AS-Name (ORG): guvd (Glavnoe Upravlenie Vnutrennih Del po Sverdlovskoi Oblasti)
 91.217.34.0/23
+# Networks announced by AS206684
+# AS-Name (ORG): vniiofi (FGUP Russian Scientific Research Institute of Optical and Physical Measurements)
+176.100.254.0/24
 # Network name: Roskomnadzor-net
 46.228.0.232/29
 87.226.213.0/24