diff --git a/fail2ban/client/beautifier.py b/fail2ban/client/beautifier.py
index 308cb035..7b27e92f 100644
--- a/fail2ban/client/beautifier.py
+++ b/fail2ban/client/beautifier.py
@@ -89,45 +89,45 @@ class Beautifier:
 				msg = "\n".join(msg)
 			elif inC[1] == "syslogsocket":
 				msg = "Current syslog socket is:\n"
-				msg = msg + "`- " + response
+				msg += "`- " + response
 			elif inC[1] == "logtarget":
 				msg = "Current logging target is:\n"
-				msg = msg + "`- " + response
+				msg += "`- " + response
 			elif inC[1:2] == ['loglevel']:
 				msg = "Current logging level is "
 				if response == 1:
-					msg = msg + "ERROR"
+					msg += "ERROR"
 				elif response == 2:
-					msg = msg + "WARN"
+					msg += "WARN"
 				elif response == 3:
-					msg = msg + "INFO"
+					msg += "INFO"
 				elif response == 4:
-					msg = msg + "DEBUG"
+					msg += "DEBUG"
 				else:
-					msg = msg + repr(response)
+					msg += repr(response)
 			elif inC[1] == "dbfile":
 				if response is None:
 					msg = "Database currently disabled"
 				else:
 					msg = "Current database file is:\n"
-					msg = msg + "`- " + response
+					msg += "`- " + response
 			elif inC[1] == "dbpurgeage":
 				if response is None:
 					msg = "Database currently disabled"
 				else:
 					msg = "Current database purge age is:\n"
-					msg = msg + "`- %iseconds" % response
+					msg += "`- %iseconds" % response
 			elif inC[2] in ("logpath", "addlogpath", "dellogpath"):
 				if len(response) == 0:
 					msg = "No file is currently monitored"
 				else:
 					msg = "Current monitored log file(s):\n"
 					for path in response[:-1]:
-						msg = msg + "|- " + path + "\n"
-					msg = msg + "`- " + response[len(response)-1]
+						msg += "|- " + path + "\n"
+					msg += "`- " + response[-1]
 			elif inC[2] == "logencoding":
 				msg = "Current log encoding is set to:\n"
-				msg = msg + response
+				msg += response
 			elif inC[2] in ("journalmatch", "addjournalmatch", "deljournalmatch"):
 				if len(response) == 0:
 					msg = "No journal match filter set"
@@ -137,19 +137,19 @@ class Beautifier:
 			elif inC[2] == "datepattern":
 				msg = "Current date pattern set to: "
 				if response is None:
-					msg = msg + "Not set/required"
+					msg += "Not set/required"
 				elif response[0] is None:
-					msg = msg + "%s" % response[1]
+					msg += "%s" % response[1]
 				else:
-					msg = msg + "%s (%s)" % response
+					msg += "%s (%s)" % response
 			elif inC[2] in ("ignoreip", "addignoreip", "delignoreip"):
 				if len(response) == 0:
 					msg = "No IP address/network is ignored"
 				else:
 					msg = "These IP addresses/networks are ignored:\n"
 					for ip in response[:-1]:
-						msg = msg + "|- " + ip + "\n"
-					msg = msg + "`- " + response[len(response)-1]
+						msg += "|- " + ip + "\n"
+					msg += "`- " + response[-1]
 			elif inC[2] in ("failregex", "addfailregex", "delfailregex",
 							"ignoreregex", "addignoreregex", "delignoreregex"):
 				if len(response) == 0:
@@ -157,10 +157,10 @@ class Beautifier:
 				else:
 					msg = "The following regular expression are defined:\n"
 					c = 0
-					for ip in response[:-1]:
-						msg = msg + "|- [" + str(c) + "]: " + ip + "\n"
+					for l in response[:-1]:
+						msg += "|- [" + str(c) + "]: " + l + "\n"
 						c += 1
-					msg = msg + "`- [" + str(c) + "]: " + response[len(response)-1]
+					msg += "`- [" + str(c) + "]: " + response[-1]
 			elif inC[2] == "actions":
 				if len(response) == 0:
 					msg = "No actions for jail %s" % inC[1]
@@ -187,7 +187,7 @@ class Beautifier:
 			logSys.warning("Beautifier error. Please report the error")
 			logSys.error("Beautify " + repr(response) + " with "
 				+ repr(self.__inputCmd) + " failed")
-			msg = msg + repr(response)
+			msg += repr(response)
 		return msg
 
 	def beautifyError(self, response):
diff --git a/fail2ban/tests/clientbeautifiertestcase.py b/fail2ban/tests/clientbeautifiertestcase.py
index 6fc63e6f..0390a8ff 100644
--- a/fail2ban/tests/clientbeautifiertestcase.py
+++ b/fail2ban/tests/clientbeautifiertestcase.py
@@ -201,8 +201,10 @@ class BeautifierTest(unittest.TestCase):
 			IPAddr("::ffff:10.0.2.1")
 		]
 		output = "These IP addresses/networks are ignored:\n"
-		output += "|- 127.0.0.0/8\n|- ::1\n"
-		output += "|- 2001:db8::/32\n`- 10.0.2.1"
+		output += "|- 127.0.0.0/8\n"
+		output += "|- ::1\n"
+		output += "|- 2001:db8::/32\n"
+		output += "`- 10.0.2.1"
 		self.assertEqual(self.b.beautify(response), output)
 
 	def testFailRegex(self):
diff --git a/fail2ban/tests/filtertestcase.py b/fail2ban/tests/filtertestcase.py
index 2d82ab6f..e8bd2e37 100644
--- a/fail2ban/tests/filtertestcase.py
+++ b/fail2ban/tests/filtertestcase.py
@@ -1457,6 +1457,11 @@ class DNSUtilsNetworkTests(unittest.TestCase):
 		self.assertEqual(str(IPAddr('2606:2800:220:1:248:1893:25c8:0/120')), '2606:2800:220:1:248:1893:25c8:0/120')
 		self.assertEqual(IPAddr('2606:2800:220:1:248:1893:25c8:0/120').ntoa, '2606:2800:220:1:248:1893:25c8:0/120')
 
+	def testIPAddr_CIDR_Repr(self):
+		self.assertEqual(["127.0.0.0/8", "::/32", "2001:db8::/32"],
+			[IPAddr("127.0.0.0", 8), IPAddr("::1", 32), IPAddr("2001:db8::", 32)]
+		)
+
 	def testIPAddr_CompareDNS(self):
 		ips = IPAddr('example.com')
 		self.assertTrue(IPAddr("93.184.216.34").isInNet(ips))