There are 3 special null addresses that are currently being used to burn $SHIB tokens, these addresses are not created by the Shiba Inu development team, they are part of Ethereum and are used for other tokens as well. 

Burn Address 1:
0xdead000000000000000042069420694206942069 

This null address is mostly used since it's the same address co-founder of Etheruem Vitalik Buterin used to burn $6.7 billion in $Shib Tokens.

Burn Address 2:
0x000000000000000000000000000000000000dead 

This null address is the same one used by the team for ShibaSwap listings.

Burn Address 3:
0x0000000000000000000000000000000000000000 

This null address, called the Black Hole is the same one used for renaming Shiboshi's NFT.

1,000,000,000,000,000 Initial Supply - Current Total Supply = Total burned in BA-3