diff --git a/ci-operator/templates/openshift/installer/cluster-launch-installer-e2e.yaml b/ci-operator/templates/openshift/installer/cluster-launch-installer-e2e.yaml
index 43abf722b0f0..0d73ffd62d6c 100644
--- a/ci-operator/templates/openshift/installer/cluster-launch-installer-e2e.yaml
+++ b/ci-operator/templates/openshift/installer/cluster-launch-installer-e2e.yaml
@@ -452,11 +452,23 @@ objects:
             echo "AWS region: ${AWS_REGION} (zones: ${ZONE_1:-${AWS_REGION}a} ${ZONE_2:-${AWS_REGION}b})"
             subnets="[]"
             if has_variant "shared-vpc"; then
-              case $((RANDOM % 4)) in
-              0) subnets="['subnet-030a88e6e97101ab2','subnet-0e07763243186cac5','subnet-02c5fea7482f804fb','subnet-0291499fd1718ee01','subnet-01c4667ad446c8337','subnet-025e9043c44114baa']";;
-              1) subnets="['subnet-0170ee5ccdd7e7823','subnet-0d50cac95bebb5a6e','subnet-0094864467fc2e737','subnet-0daa3919d85296eb6','subnet-0ab1e11d3ed63cc97','subnet-07681ad7ce2b6c281']";;
-              2) subnets="['subnet-00de9462cf29cd3d3','subnet-06595d2851257b4df','subnet-04bbfdd9ca1b67e74','subnet-096992ef7d807f6b4','subnet-0b3d7ba41fc6278b2','subnet-0b99293450e2edb13']";;
-              3) subnets="['subnet-047f6294332aa3c1c','subnet-0c3bce80bbc2c8f1c','subnet-038c38c7d96364d7f','subnet-027a025e9d9db95ce','subnet-04d9008469025b101','subnet-02f75024b00b20a75']";;
+              case "${AWS_REGION}_$((RANDOM % 4))" in
+              us-east-1_0) subnets="['subnet-030a88e6e97101ab2','subnet-0e07763243186cac5','subnet-02c5fea7482f804fb','subnet-0291499fd1718ee01','subnet-01c4667ad446c8337','subnet-025e9043c44114baa']";;
+              us-east-1_1) subnets="['subnet-0170ee5ccdd7e7823','subnet-0d50cac95bebb5a6e','subnet-0094864467fc2e737','subnet-0daa3919d85296eb6','subnet-0ab1e11d3ed63cc97','subnet-07681ad7ce2b6c281']";;
+              us-east-1_2) subnets="['subnet-00de9462cf29cd3d3','subnet-06595d2851257b4df','subnet-04bbfdd9ca1b67e74','subnet-096992ef7d807f6b4','subnet-0b3d7ba41fc6278b2','subnet-0b99293450e2edb13']";;
+              us-east-1_3) subnets="['subnet-047f6294332aa3c1c','subnet-0c3bce80bbc2c8f1c','subnet-038c38c7d96364d7f','subnet-027a025e9d9db95ce','subnet-04d9008469025b101','subnet-02f75024b00b20a75']";;
+              us-east-2_0) subnets="['subnet-0faf6d16c378ee7a7','subnet-0e104572db1b7d092','subnet-014ca96c04f36adec','subnet-0ea06057dceadfe8e','subnet-0689efe5e1f9f4212','subnet-0d36bb8edbcb3d916']";;
+              us-east-2_1) subnets="['subnet-085787cc4b80b84b2','subnet-09dfbf66e8f6e5b50','subnet-0db5d90ff3087444e','subnet-047f15f2a0210fbe0','subnet-0bf13f041c4233849','subnet-0e2a5320549e289d8']";;
+              us-east-2_2) subnets="['subnet-07d59b122f7a76f67','subnet-0d1a413c66cd59a3b','subnet-020df1de666b06b20','subnet-0ce9183380508d88d','subnet-04c83a79a1913824c','subnet-0d97ed1a54b1e9235']";;
+              us-east-2_3) subnets="['subnet-0d689957169836114','subnet-081c5c0c7bc351205','subnet-023b79f57b84894e5','subnet-070c0b96148b58787','subnet-0c693d11c33437345','subnet-0249c4ec2d6509b4e']";;
+              us-west-1_0) subnets="['subnet-0b0a3190ff0b05fb0','subnet-038719a99ae7f208c','subnet-0afc43ade6ca7f8e0','subnet-0df272b93eb3d79a5']";;
+              us-west-1_1) subnets="['subnet-070d5f1a70aa7b2ad','subnet-0e371618c77a58409','subnet-046cbad6141e391ba','subnet-0528b85478ef9d2b5']";;
+              us-west-1_2) subnets="['subnet-0a51561b99949d3c4','subnet-0de96f5675188f16f','subnet-05d1cbeccfb032e31','subnet-01e489eab26e95ec9']";;
+              us-west-1_3) subnets="['subnet-0029d43cd2d22bfe4','subnet-0b5476fddae459d10','subnet-0955a46cb4b379c91','subnet-04e3dae5b3fdcbe61']";;
+              us-west-2_0) subnets="['subnet-0a1956a6a6babc86b','subnet-07252d4a4737ec97e','subnet-00bcec6286b15a024','subnet-0f979e13d715cc03a','subnet-02e3b436e780363c5','subnet-02f0597dc582d3bde']";;
+              us-west-2_1) subnets="['subnet-0e2979f62a537ab59','subnet-060b22e9f90846c58','subnet-0c61f833b2a4caa2a','subnet-022d5d9affc6a2241','subnet-02c903aa40cf463ef','subnet-0db7df4231255086d']";;
+              us-west-2_2) subnets="['subnet-0d9b5481442b7d212','subnet-07795ec1097c5e34c','subnet-000d265d2bf4729f3','subnet-0d419e59ee340211c','subnet-0c8027d8d9794d822','subnet-05a19cfee3f602c7e']";;
+              us-west-2_3) subnets="['subnet-08c871a474ab034cc','subnet-0fe9e5f0d33e16eb0','subnet-0731dfd7678a5bac8','subnet-0d476b24170ac5942','subnet-0f0da17f8581745e6','subnet-0842d7a0250595e13']";;
               *) echo >&2 "invalid subnets index"; exit 1;;
               esac
               echo "Subnets : ${subnets}"
diff --git a/ci-operator/templates/openshift/installer/cluster-launch-installer-src.yaml b/ci-operator/templates/openshift/installer/cluster-launch-installer-src.yaml
index 364627094258..a3e5d57d74f8 100644
--- a/ci-operator/templates/openshift/installer/cluster-launch-installer-src.yaml
+++ b/ci-operator/templates/openshift/installer/cluster-launch-installer-src.yaml
@@ -302,11 +302,23 @@ objects:
             echo "AWS region: ${AWS_REGION} (zones: ${ZONE_1:-${AWS_REGION}a} ${ZONE_2:-${AWS_REGION}b})"
             subnets="[]"
             if [[ "${CLUSTER_VARIANT}" =~ "shared-vpc" ]]; then
-              case $((RANDOM % 4)) in
-              0) subnets="['subnet-030a88e6e97101ab2','subnet-0e07763243186cac5','subnet-02c5fea7482f804fb','subnet-0291499fd1718ee01','subnet-01c4667ad446c8337','subnet-025e9043c44114baa']";;
-              1) subnets="['subnet-0170ee5ccdd7e7823','subnet-0d50cac95bebb5a6e','subnet-0094864467fc2e737','subnet-0daa3919d85296eb6','subnet-0ab1e11d3ed63cc97','subnet-07681ad7ce2b6c281']";;
-              2) subnets="['subnet-00de9462cf29cd3d3','subnet-06595d2851257b4df','subnet-04bbfdd9ca1b67e74','subnet-096992ef7d807f6b4','subnet-0b3d7ba41fc6278b2','subnet-0b99293450e2edb13']";;
-              3) subnets="['subnet-047f6294332aa3c1c','subnet-0c3bce80bbc2c8f1c','subnet-038c38c7d96364d7f','subnet-027a025e9d9db95ce','subnet-04d9008469025b101','subnet-02f75024b00b20a75']";;
+              case "${AWS_REGION}_$((RANDOM % 4))" in
+              us-east-1_0) subnets="['subnet-030a88e6e97101ab2','subnet-0e07763243186cac5','subnet-02c5fea7482f804fb','subnet-0291499fd1718ee01','subnet-01c4667ad446c8337','subnet-025e9043c44114baa']";;
+              us-east-1_1) subnets="['subnet-0170ee5ccdd7e7823','subnet-0d50cac95bebb5a6e','subnet-0094864467fc2e737','subnet-0daa3919d85296eb6','subnet-0ab1e11d3ed63cc97','subnet-07681ad7ce2b6c281']";;
+              us-east-1_2) subnets="['subnet-00de9462cf29cd3d3','subnet-06595d2851257b4df','subnet-04bbfdd9ca1b67e74','subnet-096992ef7d807f6b4','subnet-0b3d7ba41fc6278b2','subnet-0b99293450e2edb13']";;
+              us-east-1_3) subnets="['subnet-047f6294332aa3c1c','subnet-0c3bce80bbc2c8f1c','subnet-038c38c7d96364d7f','subnet-027a025e9d9db95ce','subnet-04d9008469025b101','subnet-02f75024b00b20a75']";;
+              us-east-2_0) subnets="['subnet-0faf6d16c378ee7a7','subnet-0e104572db1b7d092','subnet-014ca96c04f36adec','subnet-0ea06057dceadfe8e','subnet-0689efe5e1f9f4212','subnet-0d36bb8edbcb3d916']";;
+              us-east-2_1) subnets="['subnet-085787cc4b80b84b2','subnet-09dfbf66e8f6e5b50','subnet-0db5d90ff3087444e','subnet-047f15f2a0210fbe0','subnet-0bf13f041c4233849','subnet-0e2a5320549e289d8']";;
+              us-east-2_2) subnets="['subnet-07d59b122f7a76f67','subnet-0d1a413c66cd59a3b','subnet-020df1de666b06b20','subnet-0ce9183380508d88d','subnet-04c83a79a1913824c','subnet-0d97ed1a54b1e9235']";;
+              us-east-2_3) subnets="['subnet-0d689957169836114','subnet-081c5c0c7bc351205','subnet-023b79f57b84894e5','subnet-070c0b96148b58787','subnet-0c693d11c33437345','subnet-0249c4ec2d6509b4e']";;
+              us-west-1_0) subnets="['subnet-0b0a3190ff0b05fb0','subnet-038719a99ae7f208c','subnet-0afc43ade6ca7f8e0','subnet-0df272b93eb3d79a5']";;
+              us-west-1_1) subnets="['subnet-070d5f1a70aa7b2ad','subnet-0e371618c77a58409','subnet-046cbad6141e391ba','subnet-0528b85478ef9d2b5']";;
+              us-west-1_2) subnets="['subnet-0a51561b99949d3c4','subnet-0de96f5675188f16f','subnet-05d1cbeccfb032e31','subnet-01e489eab26e95ec9']";;
+              us-west-1_3) subnets="['subnet-0029d43cd2d22bfe4','subnet-0b5476fddae459d10','subnet-0955a46cb4b379c91','subnet-04e3dae5b3fdcbe61']";;
+              us-west-2_0) subnets="['subnet-0a1956a6a6babc86b','subnet-07252d4a4737ec97e','subnet-00bcec6286b15a024','subnet-0f979e13d715cc03a','subnet-02e3b436e780363c5','subnet-02f0597dc582d3bde']";;
+              us-west-2_1) subnets="['subnet-0e2979f62a537ab59','subnet-060b22e9f90846c58','subnet-0c61f833b2a4caa2a','subnet-022d5d9affc6a2241','subnet-02c903aa40cf463ef','subnet-0db7df4231255086d']";;
+              us-west-2_2) subnets="['subnet-0d9b5481442b7d212','subnet-07795ec1097c5e34c','subnet-000d265d2bf4729f3','subnet-0d419e59ee340211c','subnet-0c8027d8d9794d822','subnet-05a19cfee3f602c7e']";;
+              us-west-2_3) subnets="['subnet-08c871a474ab034cc','subnet-0fe9e5f0d33e16eb0','subnet-0731dfd7678a5bac8','subnet-0d476b24170ac5942','subnet-0f0da17f8581745e6','subnet-0842d7a0250595e13']";;
               *) echo >&2 "invalid subnets index"; exit 1;;
               esac
               echo "Subnets : ${subnets}"