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Network Hijacking on the Rise

ID: 7d215e0a-955a-5861-ad83-7ecccd49378b

STIX ID: report--7d215e0a-955a-5861-ad83-7ecccd49378b

Feed Name: The Spamhaus Project

Threat Score
40/100

Date Published: 2016-09-26

Date Updated: 2026-04-30

Author: The Spamhaus Team

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This report documents a case of IP address hijacking where attackers revived a dormant legacy IPv4 block (147.50.0.0/16) by registering a lookalike domain and falsifying ARIN contact details to announce the prefix and send spam; routing history, WHOIS changes, and ISP communications show the timeline and led to an ISP takedown after payment fraud was discovered.

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