diff --git a/etc.hosts b/etc.hosts
index 7e6fa63..1390e5f 100644
--- a/etc.hosts
+++ b/etc.hosts
@@ -298,6 +298,8 @@ fe80::9400:1ff:fe24:33f4 6.gum.i
 10.243.10.1 4.helsinki.r
 42:0:3c46:fd4a:acf9:e971:6036:8047 helsinki.r
 42:0:3c46:fd4a:acf9:e971:6036:8047 6.helsinki.r
+42:0:f21:6916:e333:c47e:4b5c:e74c hertz.janik.r
+42:0:f21:6916:e333:c47e:4b5c:e74c 6.hertz.janik.r
 10.243.20.123 hilum.r
 10.243.20.123 4.hilum.r
 42:0:ce16::5b hilum.r
diff --git a/etc.hosts-v6only b/etc.hosts-v6only
index 1738ae0..6fddbc9 100644
--- a/etc.hosts-v6only
+++ b/etc.hosts-v6only
@@ -224,6 +224,8 @@ fe80::9400:1ff:fe24:33f4 6.gum.i
 42:0:e644:9099:4f8:b9aa:3856:4e86 6.hasegateway.r
 42:0:3c46:fd4a:acf9:e971:6036:8047 helsinki.r
 42:0:3c46:fd4a:acf9:e971:6036:8047 6.helsinki.r
+42:0:f21:6916:e333:c47e:4b5c:e74c hertz.janik.r
+42:0:f21:6916:e333:c47e:4b5c:e74c 6.hertz.janik.r
 42:0:ce16::5b hilum.r
 42:0:ce16::5b 6.hilum.r
 42:0:e644:9099:4f8:b9aa:3856:4e85 horisa.r
diff --git a/hosts/hertz b/hosts/hertz
new file mode 100644
index 0000000..58c3ca2
--- /dev/null
+++ b/hosts/hertz
@@ -0,0 +1,19 @@
+Subnet = 42:0:f21:6916:e333:c47e:4b5c:e74c
+
+-----BEGIN RSA PUBLIC KEY-----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==
+-----END RSA PUBLIC KEY-----
+
+Ed25519PublicKey = iT84cW45GuGqsEGgtVwGwe36iGFAha/orKcyZp8VbxH
+
+Weight = 300
\ No newline at end of file