Ukrainian carriers are leasing their IPv4 addresses to stay afloat - sometimes after being overrun by Russia www.theregister.com/2025/06/0…

Ukrainian telcos and ISPs have leased their IPv4 holdings to stay afloat during the nation’s war with Russia.

Network intelligence service provider Kentik advanced that theory last week in an analysis written by its director of internet analysis Doug Madory.

The researcher found “several cases in which large amounts of IPv4 space, formerly originated by prominent Ukrainian [autonomous systems] ASes, have moved out of the country (often with the help of IPv4 brokers) to dozens of new origins, including major cloud providers, hosting operations, and international telecoms.”

Madory thinks the result is “a dramatic reduction in Ukraine’s footprint in the global routing table — a new consequence of a protracted war in the digital age.”