@jtk@infosec.exchange2025-10-06 02:04:23
The Virginia Community College System (#AS22845) had long been announcing two IPv4 prefixes, a /16 and a /24. Most of the /16 has now been disaggregated.
A variety of explanations could account for such a major change, such as:
1. Operational mistake
2. Prelude to re-allocate or transfer
3. Traffic engineering
4. DDoS mitigation