网络技术中bogon是什么？

Derived from the slang term of bogus (non-existent or fake), 
in Internet terminology the the term bogon is often used to describe a bogus IP address;
or more specifically, the use of an address or a route object that is not properly authorized by the entity to which the address, or resource, was originally assigned.
Bogon filtering
A bogon is an informal name for an  packet on the public  that claims to be from an area of the IP reserved, but not yet allocated or delegated by the  (IANA) or a delegated . The areas of unallocated address space are called "bogon space".

Many ISPs and end user firewalls filter bogons, because they have no legitimate use, and are therefore the result of accidental or malicious misconfiguration at the sender. Bogons can be filtered by using router s, or by blackholing.

However, as IANA and other registries continue to allocate more of the IP address space, bogon filter lists need to be kept up to date, as otherwise newly legitimate areas of address space will be filtered.

I think that bogon is “DNS解析不出来的ip的主机名”

ping ip不能解析主机名的原因，dns没有配置 netbios未启用，自己的hosts文件里也没有