diff --git a/TODO b/TODO
index a7f5968..49a306d 100644
--- a/TODO
+++ b/TODO
@@ -2,4 +2,6 @@
 
 - when checking/rendering reserved networks, currently the footnotes aren't returned.
 -- netsplit.IANARegistryFootnote
--- encapsulated in the IANARegistry.Footnotes
\ No newline at end of file
+-- encapsulated in the IANARegistry.Footnotes
+
+- split-hosts returns the entire original subnet as an unallocated subnet if hosts exceed the number of assignable addrs.