diff --git a/blockcheck.py b/blockcheck.py
index 4bb60ae..bd37164 100755
--- a/blockcheck.py
+++ b/blockcheck.py
@@ -805,8 +805,8 @@ def check_ipv6_availability():
 
 def get_ispinfo(ipaddr):
     rdap_response = IPWhois(ipaddr)
-    nicinfo = rdap_response.lookup_rdap(depth=1)
-    return nicinfo['asn']
+    ispinfo = rdap_response.lookup_rdap(depth=1)
+    return ispinfo['asn']
 
 def main():
     ipv6_addr = None