diff --git a/etc.hosts b/etc.hosts
index f3475da..b6bd929 100644
--- a/etc.hosts
+++ b/etc.hosts
@@ -182,8 +182,8 @@ fe80::9400:1ff:fe24:33f4 6.gum.i
 42:0:e644:b386:6e2a:c94f:34d6:b0ca 6.crapi.r
 10.243.42.63 crustacea.r
 10.243.42.63 4.crustacea.r
-42:4a6f::4263 crustacea.r
-42:4a6f::4263 6.crustacea.r
+42:0:4a6f::4263 crustacea.r
+42:0:4a6f::4263 6.crustacea.r
 10.243.133.115 daedalus.r
 10.243.133.115 4.daedalus.r
 42:0:ce16::daed daedalus.r
diff --git a/etc.hosts-v6only b/etc.hosts-v6only
index dcd5ac3..75e15c3 100644
--- a/etc.hosts-v6only
+++ b/etc.hosts-v6only
@@ -148,8 +148,8 @@ fe80::9400:1ff:fe24:33f4 6.gum.i
 42:0:ce16::17 6.coaxmetal.r
 42:0:e644:b386:6e2a:c94f:34d6:b0ca crapi.r
 42:0:e644:b386:6e2a:c94f:34d6:b0ca 6.crapi.r
-42:4a6f::4263 crustacea.r
-42:4a6f::4263 6.crustacea.r
+42:0:4a6f::4263 crustacea.r
+42:0:4a6f::4263 6.crustacea.r
 42:0:ce16::daed daedalus.r
 42:0:ce16::daed 6.daedalus.r
 42:0:3c46:550c:ec4f:2dbb:3b14:95 dan.r
diff --git a/hosts/crustacea b/hosts/crustacea
index 0d375cc..1827bd2 100644
--- a/hosts/crustacea
+++ b/hosts/crustacea
@@ -1,5 +1,5 @@
 Subnet = 10.243.42.63
-Subnet = 42:4a6f::4263
+Subnet = 42:0:4a6f::4263
 
 -----BEGIN RSA PUBLIC KEY-----
 MIICCgKCAgEA1dA67Uq6IcWTWVVcg5kO4OUcmYY/mUzERK6WwrU7m+Qq2ovA2Fh1