Sean C Foley

Yes, this is a bug. Thanks for providing the test case. The issue will happen when joining both IPv4 and IPv6 ranges, and one of the IPv4 ranges includes the...

OK, yes, I can see the infinite loop. It is not clear to me how you managed to call IPAddressParseData.toString() - but it's certainly something that is easy to fix.

@dbardbar I have not yet released the next maintenance release, but it is certainly time to do so, so I should get to it within a month.

Took a bit longer than a month. This was fixed in [version 5.4.0](https://github.com/seancfoley/IPAddress/releases/tag/v5.4.0). Closing.

This was fixed in [version 5.4.0](https://github.com/seancfoley/IPAddress/releases/tag/v5.4.0). Closing.