[tor-bugs] #28525 [Core Tor/Tor]: Make tor_addr_is_internal_() aware of RFC 6598 (Carrier Grade NAT/Large Scale NAT) IPv4 Ranges

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#28525: Make tor_addr_is_internal_() aware of RFC 6598 (Carrier Grade NAT/Large
Scale NAT) IPv4 Ranges
--------------------------+--------------------------
 Reporter:  neel          |          Owner:  neel
     Type:  enhancement   |         Status:  assigned
 Priority:  Medium        |      Milestone:
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:  ipv6          |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+--------------------------
Changes (by neel):

 * type:  defect => enhancement


Old description:

> With the IPv4 depletion, many ISPs, cell carriers and some cloud
> providers are deploying Carrier Grade NAT with the subnet defined in RFC
> 6598 (100.64.0.0/10). We should make `tor_addr_is_internal_()` aware of
> this range as it is internal as well.
>
> I will write a patch and upload a PR shortly.

New description:

 With the IPv4 depletion, many ISPs, cell carriers and cloud providers are
 deploying Carrier Grade NAT with the subnet defined in RFC 6598
 (100.64.0.0/10). We should make Tor aware of this range as it is internal
 as well.

 I will write a patch and give a link to a GitHub PR.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28525#comment:1>
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