Question: What is the number of networks when the size of rest bit field is 8?
SQL: SELECT "Number of networks" FROM "2-172047-1" WHERE "Size of rest bit field" = '8';

Question: What is the start address when the network number bit field is 16?
SQL: SELECT "Start address" FROM "2-172047-1" WHERE "Size of network number bit field" = '16';

Question: What is the end address for the Class E (reserved)?
SQL: SELECT "End address" FROM "2-172047-1" WHERE "Class" = 'Class E (reserved)';

Question: What is the size of the rest bit field when the leading bits are more than 110 and the start address is 224.0.0.0?
SQL: SELECT "Size of rest bit field" FROM "2-172047-1" WHERE "Leading bits" > 110.0 AND "Start address" = '224.0.0.0';