diff --git a/parser/lexer.go b/parser/lexer.go
index ab37800..52912e4 100644
--- a/parser/lexer.go
+++ b/parser/lexer.go
@@ -8,6 +8,7 @@ import (
 	"os"
 	"regexp"
 	"strconv"
+	"strings"
 	"text/scanner"
 	"unicode"
 
@@ -278,6 +279,15 @@ func (l *Lexer) run() {
 			token = IP_CIDR
 		}
 
+		// IPADDR_RANGE(XXX.YYY.ZZZ.WWW-VVV)
+		if ss := strings.Split(s, "-"); len(ss) == 2 {
+			if net.ParseIP(ss[0]) != nil {
+				if ok, _ :=  regexp.MatchString(`^[\d]{1,3}$`, ss[1]); ok {
+					token = IPADDR_RANGE
+				}
+			}
+		}
+
 		if ok, _ := regexp.MatchString("[[:xdigit:]]{32}", s); ok {
 			token = HEX32
 		}
diff --git a/parser/parser.go.y b/parser/parser.go.y
index 12b2f57..96689af 100644
--- a/parser/parser.go.y
+++ b/parser/parser.go.y
@@ -8,7 +8,7 @@ package parser
 };
 
 %token <integer> NUMBER
-%token <symbol>	 ID STRING EMAIL IPADDR IP_CIDR HEX32 PATHSTR
+%token <symbol>	 ID STRING EMAIL IPADDR IP_CIDR IPADDR_RANGE HEX32 PATHSTR
 %token           LB RB
 %token           GLOBALDEFS
 %token           NOTIFICATION_EMAIL NOTIFICATION_EMAIL_FROM SMTP_SERVER SMTP_CONNECT_TIMEOUT ROUTER_ID LVS_ID
@@ -150,7 +150,7 @@ virtual_server_group_statements: virtual_server_group_statement virtual_server_g
 
 virtual_server_group_statement: { }
 | IPADDR NUMBER { }
-| IP_CIDR NUMBER { }
+| IPADDR_RANGE NUMBER { }
 | FWMARK NUMBER { }
 
 virtual_server_block: VIRTUAL_SERVER iporfw LB virtual_server_statements RB