diff options
| -rw-r--r-- | Lib/ipaddress.py | 2 | ||||
| -rw-r--r-- | Lib/test/test_ipaddress.py | 2 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Library/2024-09-19-20-15-00.gh-issue-124217.j0KlQB.rst | 1 |
3 files changed, 5 insertions, 0 deletions
diff --git a/Lib/ipaddress.py b/Lib/ipaddress.py index cb41c52..703fa28 100644 --- a/Lib/ipaddress.py +++ b/Lib/ipaddress.py @@ -2375,6 +2375,8 @@ class _IPv6Constants: IPv6Network('2001:db8::/32'), # IANA says N/A, let's consider it not globally reachable to be safe IPv6Network('2002::/16'), + # RFC 9637: https://www.rfc-editor.org/rfc/rfc9637.html#section-6-2.2 + IPv6Network('3fff::/20'), IPv6Network('fc00::/7'), IPv6Network('fe80::/10'), ] diff --git a/Lib/test/test_ipaddress.py b/Lib/test/test_ipaddress.py index aad779d..b1ac2b9 100644 --- a/Lib/test/test_ipaddress.py +++ b/Lib/test/test_ipaddress.py @@ -2433,6 +2433,8 @@ class IpaddrUnitTest(unittest.TestCase): self.assertTrue(ipaddress.ip_address('2001:30::').is_global) self.assertFalse(ipaddress.ip_address('2001:40::').is_global) self.assertFalse(ipaddress.ip_address('2002::').is_global) + # gh-124217: conform with RFC 9637 + self.assertFalse(ipaddress.ip_address('3fff::').is_global) # some generic IETF reserved addresses self.assertEqual(True, ipaddress.ip_address('100::').is_reserved) diff --git a/Misc/NEWS.d/next/Library/2024-09-19-20-15-00.gh-issue-124217.j0KlQB.rst b/Misc/NEWS.d/next/Library/2024-09-19-20-15-00.gh-issue-124217.j0KlQB.rst new file mode 100644 index 0000000..46f9866 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2024-09-19-20-15-00.gh-issue-124217.j0KlQB.rst @@ -0,0 +1 @@ +Add RFC 9637 reserved IPv6 block ``3fff::/20`` in :mod:`ipaddress` module. |