Nowadays, Amazon is not the only platform that does cross-border e-commerce. There are also many users of other platforms, such as eBay. Since Amazon's IP association is strictly checked, how about eBay? I'm sorry to tell you that eBay is just as strict as Amazon.
Cross-border e-commerce operations require an Internet connection, which will introduce the issue of external IP addresses. IP addresses are very important factors for cross-border e-commerce platforms such as eBay to determine whether sellers have account associations, because IP addresses are unique and will only be assigned to one account at a time. Therefore, once the same IP address is used to log in to multiple eBay accounts, it is obvious that the probability that the two accounts belong to the same user is extremely high, and therefore they are judged to be associated.

eBay only supports one seller to operate one store. It is very easy to check whether the seller has an IP association. Once it is found, the seller's operating input will be restricted at the least, and the account will be directly blocked at the worst. If you want to operate multiple stores, you must use an overseas IP agent to prevent association.
Before we talk about how to solve the problem of overseas IP, let’s first talk about what is eBay IP association?
In simple terms, eBay IP association means that a seller logs in to two different eBay stores under the same network address, and if one of the stores violates the regulations and is detected by eBay officials.
Then the other store will also be judged to be in violation, and both stores may be officially blocked by eBay.
At the same time, IP association also means that eBay directly finds out through the IP address that a seller is operating two or more stores, so it is likely to be blocked.
So why can overseas IP agents solve this problem?
First of all, cross-border e-commerce operators are aware of the dangers of IP association, but it is difficult to avoid it. You can use overseas IP proxies to operate multiple eBay stores at the same time without being discovered to have IP associations. You can use multiple IPs in turn because the biggest factor eBay officials use when determining associations is based on IP addresses. If one IP address logs in to multiple eBay accounts, the official will of course determine that you are an illegal user and will block all users logged in at this IP address. Therefore, this situation will not occur when using an IP proxy.

Let’s talk about the impact of IP resources on eBay
You cannot log in to two stores under the same IP; on the other hand, the same store cannot log in to multiple IPs in a short period of time, otherwise the risk of association is extremely high.
Among them, dynamic IP has the greatest impact. Each login will re-enter a new IP. Therefore, if a store uses an IP with multiple eBay store login records in a short period of time, the store’s official IP quality weight on eBay will be greatly reduced and directly put into the blacklist.
This situation is common in cross-border gatherings or centralized office areas and is difficult to prevent. eBay will focus on monitoring such stores with low IP quality, which present a high risk of association.
Therefore, the key to IP is not whether it is repeated or not, but its quality. A high-quality IP is a better guarantee for the security of the account.
It can be seen from this that static IP is relatively much safer. Static IP is a fixed IP. When a fixed IP is assigned to a store, the IP address will not change each time you log in, and it has an independent login environment.
But it doesn't mean that static IP is perfect
The main disadvantage of a static IP address is that the user has to manually configure the device, if the user gives the device an IP address (such as 192.168.1.110), but if you access a different network that will only give you a http://10.XXX address, you will not be able to connect with the static IP and will instead have to reconfigure the device to use DHCP (or choose a static IP that can be used with that new network).
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