diff --git a/route/PTP,10.127.4.253~10.127.69.1 b/route/PTP,10.127.4.253~10.127.69.1
index f8b2075..8b5e46a 100644
--- a/route/PTP,10.127.4.253~10.127.69.1
+++ b/route/PTP,10.127.4.253~10.127.69.1
@@ -1,4 +1,4 @@
 TYPE="PTP"
 PROTO="WireGuard"
-UPSTREAM="MagicNeko-JP3"
+UPSTREAM="MagicNeko-JP03"
 DOWNSTREAM="santost12"
diff --git a/route/PTP,10.127.4.254~10.127.11.199 b/route/PTP,10.127.4.254~10.127.11.199
index 202cc3a..42b6ac7 100644
--- a/route/PTP,10.127.4.254~10.127.11.199
+++ b/route/PTP,10.127.4.254~10.127.11.199
@@ -1,4 +1,4 @@
 TYPE="PTP"
 PROTO="WireGuard"
-UPSTREAM="Icecat-Explosion"
+UPSTREAM="MagicNeko-HK01"
 DOWNSTREAM="SUNNET"
diff --git a/scripts/roa.py b/scripts/roa.py
index ba067db..dc351f1 100755
--- a/scripts/roa.py
+++ b/scripts/roa.py
@@ -143,8 +143,11 @@ def neonet_route2roa(dirname, is_ipv6=False):
                 supernet = get_supernet(fc.get('supernet'))
                 netname = "%s-%s" % (fc.get('type'), route)
                 roa_entries.append(dict(zip(roa_entries_key, [asn, nettype(route, strict=True), supernet, netname])))
+            elif fc.get('type').lower() == 'ptp':
+                assert NODE_TABLE[fc.get('upstream')] # extra check for upstream
+                assert NODE_TABLE[fc.get('downstream')] # extra check for downstream
             else:
-                assert fc.get('type').lower() in ('ptp',)
+                raise AssertionError
         except Exception:
             print("[!] Error while processing file", f)
             raise