diff --git a/src/python/importer.py b/src/python/importer.py
index de340b4..dee36ed 100644
--- a/src/python/importer.py
+++ b/src/python/importer.py
@@ -53,7 +53,9 @@ WHOIS_SOURCES = {
 		],
 
 	# Latin America and Caribbean Network Information Centre
-	# XXX ???
+	"LACNIC": [
+		"https://ftp.lacnic.net/lacnic/dbase/lacnic.db.gz"
+		],
 
 	# Réseaux IP Européens
 	"RIPE": [
diff --git a/src/python/location-importer.in b/src/python/location-importer.in
index b791b4d..78bb846 100644
--- a/src/python/location-importer.in
+++ b/src/python/location-importer.in
@@ -681,13 +681,42 @@ class CLI(object):
 				# Strip any excess space
 				start_address, end_address = start_address.rstrip(), end_address.strip()
 
-				# Convert to IP address
-				try:
-					start_address = ipaddress.ip_address(start_address)
-					end_address   = ipaddress.ip_address(end_address)
-				except ValueError:
-					log.warning("Could not parse line: %s" % line)
-					return
+				# Handle "inetnum" formatting in LACNIC DB (e.g. "24.152.8/22" instead of "24.152.8.0/22")
+				if start_address and not (delim or end_address):
+					try:
+						start_address = ipaddress.ip_network(start_address, strict=False)
+					except ValueError:
+						start_address = start_address.split("/")
+						ldigits = len(start_address[0].split("."))
+
+						# How many octets do we need to add?
+						# (LACNIC does not seem to have a /8 or greater assigned, so the following should suffice.)
+						if ldigits == 2:
+							start_address = start_address[0] + ".0.0/" + start_address[1]
+						elif ldigits == 3:
+							start_address = start_address[0] + ".0/" + start_address[1]
+						else:
+							log.warning("Could not recover IPv4 address from line in LACNIC DB format: %s" % line)
+							return
+
+						try:
+							start_address = ipaddress.ip_network(start_address, strict=False)
+						except ValueError:
+							log.warning("Could not parse line in LACNIC DB format: %s" % line)
+							return
+
+					# Enumerate first and last IP address of this network
+					end_address = start_address[-1]
+					start_address = start_address[0]
+
+				else:
+					# Convert to IP address
+					try:
+						start_address = ipaddress.ip_address(start_address)
+						end_address   = ipaddress.ip_address(end_address)
+					except ValueError:
+						log.warning("Could not parse line: %s" % line)
+						return
 
 				inetnum["inetnum"] = list(ipaddress.summarize_address_range(start_address, end_address))