Other Where did the bogon address come from?

[sdf]

Hello everyone,

Where did the bogon address come from?
Like this
https://raw.githubusercontent.com/firehol/blocklist-ipsets/master/cidr_report_bogons.netset

IANA does not seem to have given an address like 2.56.0.0/14.
https://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.xhtml

Thanks.

 

[SirDice]

IANA does not seem to have given an address like 2.56.0.0/14.

That's the very definition of a bogon address.

Bogons include IP packets on the public Internet that contain addresses that are not in any range allocated or delegated by the Internet Assigned Numbers Authority (IANA) or a delegated regional Internet registry (RIR) and allowed for public internet use.

https://en.wikipedia.org/wiki/Bogon_filtering

 

[gkontos]

Or it could be still pending allocation : http://ipv4info.com/subblocks/s405a62/2.0.0.0-2.255.255.255.html

 

[sdf]

Thank you. But I want to know how they did it. I did not find the relevant information on the IANA website.

 

[leebrown66]

It's called IP Address Spoofing. A packet is sent with a faked source address.