AS3356: Lumen (Level 3)
AS3356 is the autonomous system of Lumen (Level 3). Press Look Up for its live registry details, or enter any IP to find its network.
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AS3356 at a glance
ASNAS3356
OperatorLumen (Level 3)
TypeTransit network
WHOISwhois AS3356
Routes and Peersbgp.tools/as/3356
Traffic from AS3356 comes from Lumen (Level 3)'s network. Transit networks carry other networks' traffic, so the address you see may belong to one of their customers: look up the IP itself for its origin network.
whois AS3356 shows the registry record, including the abuse contact. The abuse report generator turns your logs into a report the network can act on.
Questions
Who owns AS3356?
Lumen (Level 3). Press Look Up above for the current registry record.
How do I report abuse from AS3356?
Find the abuse contact with whois on the offending IP (the abuse-mailbox or OrgAbuseEmail field) and send a report with the source IP, times in UTC and log lines.
How do I block traffic from an ASN?
Get the ASN's announced prefixes (for example from bgp.tools or whois -h whois.radb.net -- '-i origin AS3356') and add them to a firewall set. Prefixes change, so refresh the list regularly.
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Stop abuse leaving your servers
Frabs watches every VM's outbound traffic and stops spam, scans and floods before the abuse report arrives.