diff --git a/extensions/base/mediawiki.py b/extensions/base/mediawiki.py
index 588b0ed..682c11a 100644
--- a/extensions/base/mediawiki.py
+++ b/extensions/base/mediawiki.py
@@ -598,7 +598,8 @@ def embed_block_block(ctx: Context, change: dict):
     embed = DiscordMessage(ctx.message_type, ctx.event, ctx.webhook_url)
     user = change["title"].split(':', 1)[1]
     try:
-        ipaddress.ip_address(user)
+        if "/" not in user:
+            ipaddress.ip_address(user)
         embed["url"] = ctx.client.create_article_path("Special:Contributions/{user}".format(user=user))
     except ValueError:
         embed["url"] = ctx.client.create_article_path(sanitize_to_url(change["title"]))
@@ -645,7 +646,8 @@ def compact_block_block(ctx: Context, change: dict):
     author, author_url = compact_author(ctx, change)
     parsed_comment = compact_summary(ctx)
     try:
-        ipaddress.ip_address(user)
+        if "/" not in user:
+            ipaddress.ip_address(user)
         link = clean_link(ctx.client.create_article_path("Special:Contributions/{user}".format(user=user)))
     except ValueError:
         link = clean_link(ctx.client.create_article_path(sanitize_to_url(change["title"])))