diff --git a/etc.hosts b/etc.hosts
index 3710678..fc10698 100644
--- a/etc.hosts
+++ b/etc.hosts
@@ -328,6 +328,10 @@ fe80::9400:1ff:fe24:33f4 6.gum.i
 10.243.29.179 4.martha.r
 42:0:3c46:5466:7dbe:f27a:673f:ea64 martha.r
 42:0:3c46:5466:7dbe:f27a:673f:ea64 6.martha.r
+10.243.0.113 massulus.r
+10.243.0.113 4.massulus.r
+42:0:ce16::113 massulus.r
+42:0:ce16::113 6.massulus.r
 42:0:3c46:6745:adf4:a844:26c4:bf91 matchbox.r
 42:0:3c46:6745:adf4:a844:26c4:bf91 6.matchbox.r
 10.243.29.200 maurice.r
@@ -620,6 +624,8 @@ fe80::9400:1ff:fe24:33f4 6.gum.i
 42:1:ce16::189 6.lasspi.w
 42:1:ce16::771e littleT.w
 42:1:ce16::771e 6.littleT.w
+42:1:ce16::113 massulus.w
+42:1:ce16::113 6.massulus.w
 42:1:3c46:a85c:9517:3474:8e1c:4be7 miaoski.w
 42:1:3c46:a85c:9517:3474:8e1c:4be7 6.miaoski.w
 42:1:ce16::dea7 mors.w
diff --git a/etc.hosts-v6only b/etc.hosts-v6only
index 0f55c20..9c4d29f 100644
--- a/etc.hosts-v6only
+++ b/etc.hosts-v6only
@@ -224,6 +224,8 @@ fe80::9400:1ff:fe24:33f4 6.gum.i
 42:0:3c46:ac99:ae36:cb8:c551:ba27 6.manakish.r 6.manakish.kmein.r
 42:0:3c46:5466:7dbe:f27a:673f:ea64 martha.r
 42:0:3c46:5466:7dbe:f27a:673f:ea64 6.martha.r
+42:0:ce16::113 massulus.r
+42:0:ce16::113 6.massulus.r
 42:0:3c46:6745:adf4:a844:26c4:bf91 matchbox.r
 42:0:3c46:6745:adf4:a844:26c4:bf91 6.matchbox.r
 42:0:3c46:eea1:4d78:e62d:899a:4d7b maurice.r
@@ -392,6 +394,8 @@ fe80::9400:1ff:fe24:33f4 6.gum.i
 42:1:ce16::189 6.lasspi.w
 42:1:ce16::771e littleT.w
 42:1:ce16::771e 6.littleT.w
+42:1:ce16::113 massulus.w
+42:1:ce16::113 6.massulus.w
 42:1:3c46:a85c:9517:3474:8e1c:4be7 miaoski.w
 42:1:3c46:a85c:9517:3474:8e1c:4be7 6.miaoski.w
 42:1:ce16::dea7 mors.w
diff --git a/hosts/massulus b/hosts/massulus
new file mode 100644
index 0000000..e2d412d
--- /dev/null
+++ b/hosts/massulus
@@ -0,0 +1,21 @@
+Subnet = 10.243.0.113
+Subnet = 42:0:ce16::113
+
+-----BEGIN PUBLIC KEY-----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+-----END PUBLIC KEY-----
+
+Ed25519PublicKey = QwKNyv97Q2/fmPrVkgbGIhDTVW+uKu+F2enGCtZJgkM
+
+Weight = 300
diff --git a/wiregrill.json b/wiregrill.json
index cf53f90..9e27738 100644
--- a/wiregrill.json
+++ b/wiregrill.json
@@ -88,6 +88,12 @@
     ],
     "publicKey": "VfSTPO1XGqLqujAGCov1yA0WxyRXJndZCW5XYkScNXg="
   },
+  "massulus": {
+    "allowedIPs": [
+      "42:1:ce16::113"
+    ],
+    "publicKey": "4wXpuDBEJS8J1bxS4paz/eZP1MuMfgHDCvOPn4TYtHQ="
+  },
   "miaoski": {
     "allowedIPs": [
       "42:1:3c46:a85c:9517:3474:8e1c:4be7"