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# IP Whitelisting

If the Zoho customer has enabled IP restriction, then IP Whitelisting is necessary to access the SMS-Magic application. If the whitelisting is not done for the necessary IPs, then the Zoho customer will not be able to login to the SMS-Magic application.

To whitelist an IP, go to this link –\

[https://www.zoho.in/crm/help/security/allowed-ips.html#Add_IPs.](https://www.zoho.in/crm/help/security/allowed-ips.html#Add_IPs.)

The following table shows the complete list of IPs that is to be whitelisted for Zoho customers:

| **US Customers** | **EU Customers** |
| ---------------- | ---------------- |
| 52.45.151.171    | 34.253.11.161    |
| 34.197.69.171    | 54.77.136.41     |
| 34.197.38.71     | 54.250.41.120    |
| 34.234.244.188   | 34.255.49.210    |