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BlacklistMonitoring
IP blacklist ยท Team Cymru

Team Cymru Bogons lookup and removal

Unallocated (bogon) IPv4 space. A sending IP here is misconfigured or spoofed. Check your IP below, then follow the removal steps if it is listed.

Checks run by DNS only. Nothing is sent from or to your domain.

How to get removed from Team Cymru Bogons

Team Cymru Bogons describes the address itself, not its behaviour. Move sending to an address that is not covered by this list.

  1. 1 This list describes the address itself (for example Tor relays, unallocated space or a country range), not spam activity.
  2. 2 Do not send business mail from an address on this list. Use a properly assigned IP with a matching PTR record.
  3. 3 Re-check the IP address here after the next zone update to confirm the listing is gone. Monitoring alerts you if it comes back.

Team Cymru Bogons at a glance

OperatorTeam Cymru
DNS zonebogons.cymru.com
ListsIP addresses
Impact on deliveryLow
RemovalInformational list, no removal process
Removal pagewww.team-cymru.com/bogon-networks
IPv6IPv4 only

Frequently asked questions

How do I check if I am listed on Team Cymru Bogons?

Enter your sending IP in the check box on this page. We query bogons.cymru.com by DNS and show the result with the return code and what it means.

How do I get removed from Team Cymru Bogons?

Team Cymru Bogons describes the address itself, not its behaviour. Move sending to an address that is not covered by this list.