diff --git a/src/main/java/io/vertx/core/net/impl/HostAndPortImpl.java b/src/main/java/io/vertx/core/net/impl/HostAndPortImpl.java
index fc01bd187c2..3121cfb3e39 100644
--- a/src/main/java/io/vertx/core/net/impl/HostAndPortImpl.java
+++ b/src/main/java/io/vertx/core/net/impl/HostAndPortImpl.java
@@ -30,7 +30,7 @@ static int parseIPv4Address(String s, int from, int to) {
         return -1;
       }
     }
-    return from < to && s.charAt(from + 1) != ':' ? -1 : from;
+    return from;
   }
 
   static int parseDecOctet(String s, int from, int to) {
diff --git a/src/test/java/io/vertx/core/net/impl/HostAndPortTest.java b/src/test/java/io/vertx/core/net/impl/HostAndPortTest.java
index b626f662ea2..e6729dbea78 100644
--- a/src/test/java/io/vertx/core/net/impl/HostAndPortTest.java
+++ b/src/test/java/io/vertx/core/net/impl/HostAndPortTest.java
@@ -34,8 +34,6 @@ public void testParseIPV4Address() {
     assertEquals(7, HostAndPortImpl.parseIPv4Address("0.0.0.0", 0, 7));
     assertEquals(11, HostAndPortImpl.parseIPv4Address("192.168.0.0", 0, 11));
     assertEquals(-1, HostAndPortImpl.parseIPv4Address("011.168.0.0", 0, 11));
-    assertEquals(-1, HostAndPortImpl.parseIPv4Address("10.0.0.1.nip.io", 0, 15));
-    assertEquals(8, HostAndPortImpl.parseIPv4Address("10.0.0.1.nip.io", 0, 8));
   }
 
   @Test
@@ -44,7 +42,6 @@ public void testParseRegName() {
     assertEquals(5, HostAndPortImpl.parseRegName("abcdef:1234", 0, 5));
     assertEquals(11, HostAndPortImpl.parseRegName("example.com", 0, 11));
     assertEquals(14, HostAndPortImpl.parseRegName("example-fr.com", 0, 14));
-    assertEquals(15, HostAndPortImpl.parseRegName("10.0.0.1.nip.io", 0, 15));
   }
 
   @Test
@@ -52,14 +49,10 @@ public void testParseHost() {
     assertEquals(14, HostAndPortImpl.parseHost("example-fr.com", 0, 14));
     assertEquals(5, HostAndPortImpl.parseHost("[0::]", 0, 5));
     assertEquals(7, HostAndPortImpl.parseHost("0.0.0.0", 0, 7));
-    assertEquals(8, HostAndPortImpl.parseHost("10.0.0.1.nip.io", 0, 8));
-    assertEquals(15, HostAndPortImpl.parseHost("10.0.0.1.nip.io", 0, 15));
   }
 
   @Test
   public void testParseHostAndPort() {
-    assertHostAndPort("10.0.0.1.nip.io", -1, "10.0.0.1.nip.io");
-    assertHostAndPort("10.0.0.1.nip.io", 8443, "10.0.0.1.nip.io:8443");
     assertHostAndPort("example.com", 8080, "example.com:8080");
     assertHostAndPort("example.com", -1, "example.com");
     assertHostAndPort("0.1.2.3", -1, "0.1.2.3");