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Absolutely agreed. It is really easy to be a shitty, lazy colocation/hosting/VPS hosting company. It is somewhat more effort and more difficult to be a proper one. Margins are so thin in the hosting business that it would be own version of a personal hell... I feel a lot better about operating symmetric gigabit last mile residential services.

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Yes. Many of these shops follow the same design patterns. Ports for hosts at L2 that they bill on that are part of a big Vlan/L3/SVI interface that has tons of customers. I've seen these configs where folks have hundreds of "secondary" ip addresses setup where any customer can steal other customer IPs in addition to lack of anti spoofing. It's slop and it's tolerated.

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