diff --git a/CHANGES.rst b/CHANGES.rst
index 9114224..77586a8 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -15,6 +15,7 @@ Changelog
 - Set user agent in elastic_search.py example to avoid default user agent
 - Updated elastic_search.py example for ES 6.6.0
 - Readme update for RDAP vs Legacy Whois output (#204)
+- Removed the disallow_permutations argument from ipwhois_cli.py (#226)
 
 1.0.0 (2017-07-30)
 ------------------
diff --git a/CLI.rst b/CLI.rst
index 5c8b360..cf4a986 100644
--- a/CLI.rst
+++ b/CLI.rst
@@ -20,7 +20,7 @@ Usage
 ipwhois_cli.py [-h] [--whois] [--exclude_nir] [--json] [--hr]
                       [--show_name] [--colorize] [--timeout TIMEOUT]
                       [--proxy_http "PROXY_HTTP"]
-                      [--proxy_https "PROXY_HTTPS"] [--disallow_permutations]
+                      [--proxy_https "PROXY_HTTPS"]
                       [--inc_raw] [--retry_count RETRY_COUNT]
                       [--asn_alts "ASN_ALTS"] [--asn_methods "ASN_METHODS"]
                       [--extra_org_map "EXTRA_ORG_MAP"]
@@ -60,12 +60,6 @@ IPWhois settings:
                         The proxy HTTPS address passed to
                         request.ProxyHandler. User auth can be passed like
                         "https://user:pass@192.168.0.1:443"
-  --disallow_permutations
-                        Disable additional methods if DNS lookups to Cymru
-                        fail. This is the opposite of the ipwhois
-                        allow_permutations, in order to enable
-                        allow_permutations by default in the CLI. *WARNING*
-                        deprecated in favor of new argument asn_methods.
 
 Common settings (RDAP & Legacy Whois):
   --inc_raw             Include the raw whois results in the output.
diff --git a/UPGRADING.rst b/UPGRADING.rst
index 004aec2..3fdca30 100644
--- a/UPGRADING.rst
+++ b/UPGRADING.rst
@@ -9,6 +9,15 @@ any changes that may affect user experience when upgrading to a new release.
 This page is new as of version 1.0.0. Any information on older versions is
 likely missing or incomplete.
 
+******
+v1.1.0
+******
+
+- Exceptions now inherit a new BaseIpwhoisException rather than Exception
+- Removed support for Python 2.6/3.3, added support for 3.7
+- Removed the disallow_permutations argument from ipwhois_cli.py. Use
+  ans_methods instead.
+
 ******
 v1.0.0
 ******
diff --git a/ipwhois/scripts/ipwhois_cli.py b/ipwhois/scripts/ipwhois_cli.py
index 56daa6a..ef957e3 100644
--- a/ipwhois/scripts/ipwhois_cli.py
+++ b/ipwhois/scripts/ipwhois_cli.py
@@ -150,15 +150,6 @@ group.add_argument(
          'can be passed like "https://user:pass@192.168.0.1:443"',
     required=False
 )
-group.add_argument(
-    '--disallow_permutations',
-    action='store_true',
-    help='Disable additional methods if DNS lookups to Cymru fail. This is the'
-         ' opposite of the ipwhois allow_permutations, in order to enable '
-         'allow_permutations by default in the CLI. *WARNING* deprecated in '
-         'favor of new argument asn_methods.',
-    default=False
-)
 
 # Common (RDAP & Legacy Whois)
 group = parser.add_argument_group('Common settings (RDAP & Legacy Whois)')
@@ -372,9 +363,6 @@ class IPWhoisCLI:
             proxy HTTP support or None.
         proxy_https (:obj:`urllib.request.OpenerDirector`): The request for
             proxy HTTPS support or None.
-        allow_permutations (:obj:`bool`): Allow net.Net() to use additional
-            methods if DNS lookups to Cymru fail. *WARNING* deprecated in
-            favor of new argument asn_methods. Defaults to True.
     """
 
     def __init__(
@@ -382,8 +370,7 @@ class IPWhoisCLI:
         addr,
         timeout,
         proxy_http,
-        proxy_https,
-        allow_permutations
+        proxy_https
     ):
 
         self.addr = addr
@@ -412,12 +399,9 @@ class IPWhoisCLI:
             handler = ProxyHandler(handler_dict)
             self.opener = build_opener(handler)
 
-        self.allow_permutations = allow_permutations
-
         self.obj = IPWhois(address=self.addr,
                            timeout=self.timeout,
-                           proxy_opener=self.opener,
-                           allow_permutations=self.allow_permutations)
+                           proxy_opener=self.opener)
 
     def generate_output_header(self, query_type='RDAP'):
         """
@@ -1442,6 +1426,7 @@ class IPWhoisCLI:
 
         return output
 
+
 if script_args.addr:
 
     results = IPWhoisCLI(
@@ -1452,8 +1437,7 @@ if script_args.addr:
         ) else None,
         proxy_https=script_args.proxy_https if (
             script_args.proxy_https and len(script_args.proxy_https) > 0
-        ) else None,
-        allow_permutations=(not script_args.disallow_permutations)
+        ) else None
     )
 
     if script_args.whois: