diff --git a/data/inetnum/172.20.118.0_26 b/data/inetnum/172.20.118.0_26
deleted file mode 100644
index 47bf50da0..000000000
--- a/data/inetnum/172.20.118.0_26
+++ /dev/null
@@ -1,11 +0,0 @@
-inetnum:            172.20.118.0 - 172.20.118.63
-netname:            ZLD-NET
-descr:              ZLD_NET
-country:            CN
-admin-c:            ZLD-DN42
-tech-c:             ZLD-DN42
-mnt-by:             ZLD-MNT
-nserver:            ns1.zld.dn42
-status:             ALLOCATED
-cidr:               172.20.118.0/26
-source:             DN42
diff --git a/data/inetnum/172.20.118.0_25 b/data/inetnum/172.21.118.0_25
similarity index 74%
rename from data/inetnum/172.20.118.0_25
rename to data/inetnum/172.21.118.0_25
index 47bf50da0..d5a1dfbc0 100644
--- a/data/inetnum/172.20.118.0_25
+++ b/data/inetnum/172.21.118.0_25
@@ -1,4 +1,4 @@
-inetnum:            172.20.118.0 - 172.20.118.63
+inetnum:            172.21.118.0 - 172.21.118.127
 netname:            ZLD-NET
 descr:              ZLD_NET
 country:            CN
@@ -7,5 +7,5 @@ tech-c:             ZLD-DN42
 mnt-by:             ZLD-MNT
 nserver:            ns1.zld.dn42
 status:             ALLOCATED
-cidr:               172.20.118.0/26
+cidr:               172.21.118.0/25
 source:             DN42
diff --git a/data/route/172.20.118.0_25 b/data/route/172.21.118.0_25
similarity index 78%
rename from data/route/172.20.118.0_25
rename to data/route/172.21.118.0_25
index db4c905ae..f45ecb2f6 100644
--- a/data/route/172.20.118.0_25
+++ b/data/route/172.21.118.0_25
@@ -1,4 +1,4 @@
-route:              172.20.118.0/25
+route:              172.21.118.0/25
 descr:              Route to ZLD IPv4 Space
 origin:             AS4242420118
 mnt-by:             ZLD-MNT