diff --git a/data/aut-num/AS4242421796 b/data/aut-num/AS4242421796
new file mode 100644
index 000000000..dd2d7940d
--- /dev/null
+++ b/data/aut-num/AS4242421796
@@ -0,0 +1,6 @@
+aut-num:            AS4242421796
+as-name:            WATTMTO-SNT-DN42
+admin-c:            WATTMTO-DN42
+tech-c:             WATTMTO-DN42
+mnt-by:             WATTMTO-MNT
+source:             DN42
diff --git a/data/inet6num/fd26:86dc:d208::_48 b/data/inet6num/fd26:86dc:d208::_48
new file mode 100644
index 000000000..d93debf2b
--- /dev/null
+++ b/data/inet6num/fd26:86dc:d208::_48
@@ -0,0 +1,10 @@
+inet6num:           fd26:86dc:d208:0000:0000:0000:0000:0000 - fd26:86dc:d208:ffff:ffff:ffff:ffff:ffff
+cidr:               fd26:86dc:d208::/48
+netname:            WATTMTO-NETWORK
+descr:              Network of WATTMTO
+country:            JP
+admin-c:            WATTMTO-DN42
+tech-c:             WATTMTO-DN42
+mnt-by:             WATTMTO-MNT
+status:             ASSIGNED
+source:             DN42
diff --git a/data/mntner/WATTMTO-MNT b/data/mntner/WATTMTO-MNT
new file mode 100644
index 000000000..97b342f9c
--- /dev/null
+++ b/data/mntner/WATTMTO-MNT
@@ -0,0 +1,6 @@
+mntner:             WATTMTO-MNT
+admin-c:            WATTMTO-DN42
+tech-c:             WATTMTO-DN42
+mnt-by:             WATTMTO-MNT
+auth:               ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBUL8EE9EUDZ550oScJFBEqinG1f3ccaVUA1CW/+Y3f/
+source:             DN42
diff --git a/data/person/WATTMTO-DN42 b/data/person/WATTMTO-DN42
new file mode 100644
index 000000000..48a16631e
--- /dev/null
+++ b/data/person/WATTMTO-DN42
@@ -0,0 +1,5 @@
+person:             Wataru Matsuoka
+e-mail:             dev@wattmto.dev
+nic-hdl:            WATTMTO-DN42
+mnt-by:             WATTMTO-MNT
+source:             DN42
diff --git a/data/route6/fd26:86dc:d208::_48 b/data/route6/fd26:86dc:d208::_48
new file mode 100644
index 000000000..d5242f0a9
--- /dev/null
+++ b/data/route6/fd26:86dc:d208::_48
@@ -0,0 +1,5 @@
+route6:             fd26:86dc:d208::/48
+origin:             AS4242421796
+max-length:         48
+mnt-by:             WATTMTO-MNT
+source:             DN42