diff --git a/collector/netclass_rtnl_linux.go b/collector/netclass_rtnl_linux.go
index 6df34756a0..57ed813dee 100644
--- a/collector/netclass_rtnl_linux.go
+++ b/collector/netclass_rtnl_linux.go
@@ -96,6 +96,12 @@ func (c *netClassCollector) netClassRTNLUpdate(ch chan<- prometheus.Metric) erro
 			[]string{"device", "address", "broadcast", "duplex", "operstate", "ifalias"},
 			nil,
 		)
+		altnameDesc := prometheus.NewDesc(
+			prometheus.BuildFQName(namespace, c.subsystem, "altnames_info"),
+			"Non-numeric data of <iface> altname, value is always 1.",
+			[]string{"altname", "device"},
+			nil,
+		)
 		infoValue := 1.0
 
 		var ifalias = ""
@@ -113,6 +119,14 @@ func (c *netClassCollector) netClassRTNLUpdate(ch chan<- prometheus.Metric) erro
 
 		ch <- prometheus.MustNewConstMetric(infoDesc, prometheus.GaugeValue, infoValue, msg.Attributes.Name, msg.Attributes.Address.String(), msg.Attributes.Broadcast.String(), duplex, operstateStr[int(msg.Attributes.OperationalState)], ifalias)
 
+		if len(msg.Attributes.AltNames) > 0 {
+			for _, altname := range msg.Attributes.AltNames {
+				if altname == "" {
+					continue
+				}
+				ch <- prometheus.MustNewConstMetric(altnameDesc, prometheus.GaugeValue, infoValue, altname, msg.Attributes.Name)
+			}
+		}
 		pushMetric(ch, c.getFieldDesc("address_assign_type"), "address_assign_type", ifaceInfo.AddrAssignType, prometheus.GaugeValue, msg.Attributes.Name)
 		pushMetric(ch, c.getFieldDesc("carrier"), "carrier", msg.Attributes.Carrier, prometheus.GaugeValue, msg.Attributes.Name)
 		pushMetric(ch, c.getFieldDesc("carrier_changes_total"), "carrier_changes_total", msg.Attributes.CarrierChanges, prometheus.CounterValue, msg.Attributes.Name)