diff --git a/whois.c b/whois.c
index 9e1ba32..aa25f63 100644
--- a/whois.c
+++ b/whois.c
@@ -499,7 +499,7 @@ const char *match_config_file(const char *s)
  */
 char *guess_server(const char *s)
 {
-    unsigned long ip, as32;
+    unsigned long ip;
     unsigned int i;
     const char *colon, *tld;
 
@@ -557,10 +557,6 @@ char *guess_server(const char *s)
 	    return strdup("\x05"); /* probably a unknown kind of nic handle */
     }
 
-    /* ASN32? */
-    if (strncaseeq(s, "as", 2) && s[2] && (as32 = asn32_to_long(s + 2)) != 0)
-	return strdup(whereas32(as32));
-
     /* smells like an IP? */
     if ((ip = myinet_aton(s))) {
 	for (i = 0; ip_assign[i].serv; i++)
@@ -1476,20 +1472,6 @@ unsigned long myinet_aton(const char *s)
     return (a << 24) + (b << 16) + (c << 8) + d;
 }
 
-unsigned long asn32_to_long(const char *s)
-{
-    unsigned long a, b;
-    char junk;
-
-    if (!s)
-	return 0;
-    if (sscanf(s, "%lu.%lu%c", &a, &b, &junk) != 2)
-	return 0;
-    if (a > 65535 || b > 65535)
-	return 0;
-    return (a << 16) + b;
-}
-
 int isasciidigit(const char c)
 {
     return (c >= '0' && c <= '9') ? 1 : 0;
diff --git a/whois.h b/whois.h
index 1cdba36..56275f0 100644
--- a/whois.h
+++ b/whois.h
@@ -26,7 +26,6 @@ void NORETURN alarm_handler(int);
 void NORETURN sighandler(int);
 int japanese_locale(void);
 unsigned long myinet_aton(const char *);
-unsigned long asn32_to_long(const char *);
 int isasciidigit(const char);
 int endstrcaseeq(const char *, const char *);
 int in_domain(const char *, const char *);