ISC-NET3                  (NET-149-20-0-0-1         ) 149.20.0.0      - 149.20.67.255  
ISC-NET3                  (NET-149-20-72-0-1        ) 149.20.72.0     - 149.20.88.255  
ISC-NET3                  (NET-149-20-90-0-1        ) 149.20.90.0     - 149.20.95.255  
ISC-NET1                  (NET-192-5-4-0-1          ) 192.5.4.0       - 192.5.5.255    
ISC-NET2                  (NET-204-152-184-0-1      ) 204.152.184.0   - 204.152.191.255