diff --git a/knowledge base/cloud computing/aws/cli.md b/knowledge base/cloud computing/aws/cli.md
index 765f9d4..9469c23 100644
--- a/knowledge base/cloud computing/aws/cli.md	
+++ b/knowledge base/cloud computing/aws/cli.md	
@@ -66,6 +66,32 @@ aws deploy get-deployment-group --application-name 'batman' \
   --deployment-group-name 'production'
 
 
+# Show ELB details.
+aws elbv2 describe-load-balancers --names 'load-balancer-name'
+
+# Get the private IP addresses of load balancers.
+aws ec2 describe-network-interfaces --output 'text' \
+  --filters Name=description,Values='ELB app/application-load-balancer-name/application-load-balancer-id' \
+  --query 'NetworkInterfaces[*].PrivateIpAddresses[*].PrivateIpAddress'
+aws ec2 describe-network-interfaces --output 'text' \
+  --filters Name=description,Values='ELB net/network-load-balancer-name/network-load-balancer-id' \
+  --query 'NetworkInterfaces[*].PrivateIpAddresses[*].PrivateIpAddress'
+aws ec2 describe-network-interfaces --output 'text' \
+  --filters Name=description,Values='ELB classic-load-balancer-name' \
+  --query 'NetworkInterfaces[*].PrivateIpAddresses[*].PrivateIpAddress'
+
+# Get the public IP addresses of load balancers.
+aws ec2 describe-network-interfaces --output 'text' \
+  --filters Name=description,Values='ELB app/application-load-balancer-name/application-load-balancer-id' \
+  --query 'NetworkInterfaces[*].Association.PublicIp'
+aws ec2 describe-network-interfaces --output 'text' \
+  --filters Name=description,Values='ELB net/network-load-balancer-name/network-load-balancer-id' \
+  --query 'NetworkInterfaces[*].Association.PublicIp'
+aws ec2 describe-network-interfaces --output 'text' \
+  --filters Name=description,Values='ELB classic-load-balancer-name' \
+  --query 'NetworkInterfaces[*].Association.PublicIp'
+
+
 # Get information about the current user.
 aws sts get-caller-identity
 
@@ -284,6 +310,7 @@ Solutions:
 - [Install the Session Manager plugin for the AWS CLI]
 - [Use an IAM role in the AWS CLI]
 - [Using AWS KMS via the CLI with a Symmetric Key]
+- [What's the source IP address of the traffic that Elastic Load Balancing sends to my web servers?]
 
 <!--
   Reference
@@ -311,4 +338,5 @@ Solutions:
 [quickstart]: https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-quickstart.html
 [use an iam role in the aws cli]: https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-role.html
 [using aws kms via the cli with a symmetric key]: https://nsmith.net/aws-kms-cli
+[what's the source ip address of the traffic that elastic load balancing sends to my web servers?]: https://repost.aws/knowledge-center/elb-find-load-balancer-ip
 [yubikey authentication for aws cli (and boto) made easy]: https://github.com/tommie-lie/awscli-plugin-yubikeytotp
diff --git a/snippets/aws/commands.fish b/snippets/aws/commands.fish
index 109d197..46404fb 100644
--- a/snippets/aws/commands.fish
+++ b/snippets/aws/commands.fish
@@ -204,6 +204,37 @@ aws eks describe-addon-configuration --addon-name 'aws-ebs-csi-driver' --addon-v
 	--query 'configurationSchema' --output 'text' | jq -sr
 
 
+###
+# ELB - Load Balancers
+# ------------------
+###
+
+# Get load balancers IDs
+aws elbv2 describe-load-balancers --names 'load-balancer-name' --query 'LoadBalancers[].LoadBalancerArn' --output 'text' \
+| grep -o '[^/]*$'
+
+# Get the private IP addresses of load balancers
+aws ec2 describe-network-interfaces --output 'text' \
+	--filters Name=description,Values='ELB app/application-load-balancer-name/application-load-balancer-id' \
+	--query 'NetworkInterfaces[*].PrivateIpAddresses[*].PrivateIpAddress'
+aws ec2 describe-network-interfaces --output 'text' \
+	--filters Name=description,Values='ELB net/network-load-balancer-name/network-load-balancer-id' \
+	--query 'NetworkInterfaces[*].PrivateIpAddresses[*].PrivateIpAddress'
+aws ec2 describe-network-interfaces --output 'text' \
+	--filters Name=description,Values='ELB classic-load-balancer-name' \
+	--query 'NetworkInterfaces[*].PrivateIpAddresses[*].PrivateIpAddress'
+
+# Get the public IP addresses of load balancers
+aws ec2 describe-network-interfaces --output 'text' \
+	--filters Name=description,Values='ELB app/application-load-balancer-name/application-load-balancer-id' \
+	--query 'NetworkInterfaces[*].Association.PublicIp'
+aws ec2 describe-network-interfaces --output 'text' \
+	--filters Name=description,Values='ELB net/network-load-balancer-name/network-load-balancer-id' \
+	--query 'NetworkInterfaces[*].Association.PublicIp'
+aws ec2 describe-network-interfaces --output 'text' \
+	--filters Name=description,Values='ELB classic-load-balancer-name' \
+	--query 'NetworkInterfaces[*].Association.PublicIp'
+
 ###
 # IAM
 # ------------------