We offer ASN analytics reports capability for FastNetMon Advanced which implements native support for per ASN bandwidth calculation and stores it into InfluxDB or Clickhouse in pre-calculated format.

It implemented following way for outgoing traffic:

sudo fcli show asn_counters_v4 outgoing
28026              4810 pps 38 mbps
52374              3028 pps 25 mbps
52376              2345 pps 17 mbps
15169              1769 pps 10 mbps
20940              1285 pps 8 mbps
2906               1075 pps 8 mbps
3356               484 pps 3 mbps
15133              412 pps 3 mbps
16509              633 pps 2 mbps

And following way for incoming traffic:

sudo fcli show asn_counters_v4 incoming
28026              4810 pps 38 mbps
52374              3028 pps 25 mbps
52376              2345 pps 17 mbps
15169              1769 pps 10 mbps
20940              1285 pps 8 mbps
2906               1075 pps 8 mbps
3356               484 pps 3 mbps
15133              412 pps 3 mbps
16509              633 pps 2 mbps

To enable it you will need following options:

sudo fcli set main enable_asn_counters enable
sudo fcli set main asn_lookup enable
sudo fcli commit

It can read ASNs from Netflow or we can use our own intelligence to enrich it and it’s included in default installation of FastNetMon.

After that you will need to restart FastNetMon:

sudo fcli commit

If you want to use Clickhouse based dashboards you will need to enable Clickhouse metrics in configuration. If want to use InfluxDB based dashboards then you need to enable it in configuration.

Our default installation of visual traffic includes top ASN graphs.

If you have any issues with IP to ASN number conversion you can check our tool which makes queries to our internal ASN database:

sudo fcli show ip_asn 11.22.33.44

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