Merge pull request #3983 from ClickHouse/new-clickpipes-regions

docs(clickpipes): Add new regions and clarify IP whitelisting logic

Author: Blargian

docs/integrations/data-ingestion/clickpipes/index.md

@@ -54,19 +54,24 @@ More connectors will get added to ClickPipes, you can find out more by [contacti
 
 ## List of Static IPs {#list-of-static-ips}
 
-The following are the static NAT IPs (separated by region) that ClickPipes uses to connect to your external services.
-Add your related instance region IPs to your IP allow list to allow traffic.
-If your instance region is not listed here, it will fall to the default region:
-
-- **eu-central-1** for EU regions
-- **us-east-1** for instances in `us-east-1`
-- **us-east-2** for other all regions
-
-| ClickHouse Cloud region | IP Addresses |
-|-------------------------|--------------|
-| **eu-central-1**        | `18.195.233.217`, `3.127.86.90`, `35.157.23.2`, `18.197.167.47`, `3.122.25.29`, `52.28.148.40` |
-| **us-east-2**           | `3.131.130.196`, `3.23.172.68`, `3.20.208.150`, `3.132.20.192`, `18.119.76.110`, `3.134.185.180` |
-| **us-east-1**           | `54.82.38.199`, `3.90.133.29`, `52.5.177.8`, `3.227.227.145`, `3.216.6.184`, `54.84.202.92`, `3.131.130.196`, `3.23.172.68`, `3.20.208.150` |
+The following are the static NAT IPs (separated by region) that ClickPipes uses to connect to your external services. Add your related instance region IPs to your IP allow list to allow traffic.
+
+For all services, ClickPipes traffic will originate from a default region based on your service's location:
+- **eu-central-1**: For all services in EU regions.
+- **us-east-1**: For all services in `us-east-1`.
+- **ap-south-1**: For services in `ap-south-1` created on or after 25 Jun 2025 (services created before this date use `us-east-1` IPs).
+- **ap-southeast-2**: For services in `ap-southeast-2` created on or after 25 Jun 2025 (services created before this date use `us-east-1` IPs).
+- **us-west-2**: For services in `us-west-2` created on or after 24 Jun 2025 (services created before this date use `us-east-1` IPs).
+- **us-east-2**: For all other regions not explicitly listed.
+
+| ClickHouse Cloud region                  | IP Addresses                                                                                                                                     |
+| ---------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------ |
+| **eu-central-1**                         | `18.195.233.217`, `3.127.86.90`, `35.157.23.2`, `18.197.167.47`, `3.122.25.29`, `52.28.148.40`                                                     |
+| **us-east-1**                            | `54.82.38.199`, `3.90.133.29`, `52.5.177.8`, `3.227.227.145`, `3.216.6.184`, `54.84.202.92`, `3.131.130.196`, `3.23.172.68`, `3.20.208.150`         |
+| **us-east-2**                            | `3.131.130.196`, `3.23.172.68`, `3.20.208.150`, `3.132.20.192`, `18.119.76.110`, `3.134.185.180`                                                     |
+| **ap-south-1** (from 25 Jun 2025)        | `13.203.140.189`, `13.232.213.12`, `13.235.145.208`, `35.154.167.40`, `65.0.39.245`, `65.1.225.89`                                                     |
+| **ap-southeast-2** (from 25 Jun 2025)    | `3.106.48.103`, `52.62.168.142`, `13.55.113.162`, `3.24.61.148`, `54.206.77.184`, `54.79.253.17`                                                     |
+| **us-west-2** (from 24 Jun 2025)         | `52.42.100.5`, `44.242.47.162`, `52.40.44.52`, `44.227.206.163`, `44.246.241.23`, `35.83.230.19`                                                     |
 
 ## Adjusting ClickHouse settings {#adjusting-clickhouse-settings}
 ClickHouse Cloud provides sensible defaults for most of the use cases. However, if you need to adjust some ClickHouse settings for the ClickPipes destination tables, a dedicated role for ClickPipes is the most flexible solution.