diff --git a/clone.sh b/clone.sh
index 7687c33..0fe1e56 100755
--- a/clone.sh
+++ b/clone.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 export USER="ByeonJungHun"
-export GITKEY=""
+export GITKEY="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"
 export REPO=$1
 
 echo ${REPO/\/\//\/\/$USER:$GITKEY@}
diff --git a/ipcheck.sh b/ipcheck.sh
new file mode 100644
index 0000000..7ee70b3
--- /dev/null
+++ b/ipcheck.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+start_ip="10.10.43.100"
+end_ip="10.10.43.253"
+
+echo "마지막 수행 시간 : $(date +%Y-%m-%d-%r)\n" > README.md
+echo "|주소|사용 여부|" >> README.md
+echo "|---|---|" >> README.md
+
+for ((i=${start_ip##*.}; i<=${end_ip##*.}; i++)); do
+    ip="${start_ip%.*}.${i}"
+    if ping -c 1 -W 1 "$ip" >/dev/null 2>&1; then
+        echo "|$ip|사용중|" >> README.md
+    else
+        echo "|$ip|사용가능|" >> README.md
+    fi
+    echo "${i} 체크 완료\n"
+done