Is it per chance 100.64.0.0/10? \* https://en.wikipedia.org/wiki/IPv4_shared_add... | Hacker News

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		throw0101c 9 days ago \| parent \| context \| favorite \| on: I spent a week without IPv4 (2023) Is it per chance 100.64.0.0/10? * https://en.wikipedia.org/wiki/IPv4_shared_address_space

WarOnPrivacy 9 days ago [–]

It could be 21.0/8

ref:https://old.reddit.com/r/tmobileisp/comments/1gg7361/why_is_...

I booted an LTE router using a T-Mobile SIM.

Within an hour I had changed WAN IP. Both were from AS749 US-DOD NIC

    in 33.79.135.0/24 & 21.140.100.0/24.

They were cgnat'd behind TMble's advertised asn.

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