importer.py: Import JPNIC feed as well

This adds names for - at the time of writing - 421 ASNs which were missing
before, as JPNIC does not mirror (all) information back to APNIC.
Signed-off-by: Peter Müller <peter.mueller@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

src/python/importer.py

@@ -47,6 +47,11 @@ WHOIS_SOURCES = {
 	#	"https://ftp.arin.net/pub/rr/arin.db"
 	# ],
 
+	# Japan Network Information Center
+	"JPNIC": [
+		"https://ftp.nic.ad.jp/jpirr/jpirr.db.gz"
+		],
+
 	# Latin America and Caribbean Network Information Centre
 	# XXX ???