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Proxy Services Feast on Ukraine’s IP Address Exodus
- Ukraine has experienced a significant loss of its Internet space to Russian control or brokers since February 2022.
- Numerous Ukrainian ISPs have sold off IPv4 address space to maintain financial stability during the war.
- Providers like AT&T, Amazon, and Cogent now route former Ukrainian IP space, leading to concerns about the role of proxy services.
- The use of proxy services by different ISPs has implications for commercial and potentially malicious online activities.
- Various companies pay ISPs to lease IPv4 address space, with proxy and VPN providers being significant renters.
- AT&T's policy change regarding the origination of routes for foreign IP blocks aims to improve service quality and reduce misuse.
- The mingling of Ukrainian IP space with proxy providers has raised cybersecurity concerns, as some addresses are linked to cyberattacks.
- The European Union recently sanctioned an ISP due to its involvement in DDoS attacks, highlighting the broader risk of proxy misuse.
- Changes in ISP policies, like AT&T's, may prompt proxy services to seek alternatives with less restrictive rules for hosting IP addresses.
- U.S. ISPs like Cogent Communications have become popular choices for hosting proxy services due to ease of routing address blocks.
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