diff --git a/asn/AS142280.toml b/asn/AS142280.toml
new file mode 100644
index 0000000..8fce0fa
--- /dev/null
+++ b/asn/AS142280.toml
@@ -0,0 +1,5 @@
+name = "NTEREN-BACKBONE"
+owner = "Yitong-Dang"
+source = "Internet"
+description = "NaiveTomcat Education and Research Network"
+valid = false
diff --git a/entity/Yitong-Dang.toml b/entity/Yitong-Dang.toml
new file mode 100644
index 0000000..eeab978
--- /dev/null
+++ b/entity/Yitong-Dang.toml
@@ -0,0 +1,10 @@
+name = "Yitong Dang"
+babel = ["zh", "en-4"]
+
+[contact]
+email = "tomdang@naivetomcat.cn"
+telegram = "@naivetomcat"
+github = "NaiveTomcat"
+
+[persona]
+pgp = "B5EB6EA969688B74853918EDEBA7269DA2D7E015"
diff --git a/node/Yitong-Dang.toml b/node/Yitong-Dang.toml
new file mode 100644
index 0000000..39837dc
--- /dev/null
+++ b/node/Yitong-Dang.toml
@@ -0,0 +1,3 @@
+[xiy_vm_host]
+asn = 142280
+description = "XIY VM Host for NTEREN"
diff --git a/route/AS142280.toml b/route/AS142280.toml
new file mode 100644
index 0000000..5e4c591
--- /dev/null
+++ b/route/AS142280.toml
@@ -0,0 +1,3 @@
+["10.127.128.0/24"]
+type = "subnet"
+name = "nteren-backbone"