1 files changed, 18 insertions, 0 deletions
diff --git a/pkg/asn/lookup.go b/pkg/asn/lookup.go
new file mode 100644
index 0000000..4851a6f
--- /dev/null
+++ b/pkg/asn/lookup.go
@@ -0,0 +1,18 @@
+package asn
+
+var AsnTable AsnMap
+
+// Lookup return metadata of given AS
+func Lookup(ASN int) AsnEntry {
+	if len(AsnTable) == 0 {
+		AsnTable = getMapping()
+	}
+
+	return AsnTable[ASN]
+}
+
+// IsDatacenter return bool value whether an AS is datajjij center or not
+func IsDatacenter(ASN int) bool {
+	// TODO
+	return false
+}