This is because octets 0 and 255 are reserved for special purposes. An address where all host part bits are 0 refers to the network, and an address where all bits of the host part are 1 is called a broadcast address.This refers to all hosts on the specified network simultaneously. number of network addresses are reserved for special purposes. 0.0.0.0 and 127.0.0.0 are two such addresses. The first is called the default route, and the latter is the loopback address. The default route has to do with the way the IP routes datagrams.
The thresher shark has a short head and a cone-shaped nose. The mouth is generally small, and the teeth range in size from small to large. By far the largest of the three species is the common thresher, Alopias vulpinus, which may reach a length of 6.1 metres (20 ft) and a weight of over 500 kilograms (1,100 lb).s a result, the long-tailed or common thresher shark, Alopias vulpinus, is also known as the fox shark. The common name is derived from a distinctive, thresher-like tail or caudal fin which can be as long as the body of the shark itself.
Bigeye Thresher Shark. The Bigeye Thresher shark, Alopias superciliosus, is the 10th biggest shark in the world. The Bigeye Thresher can be found in tropical oceans around the world and can be found at depths up to 1650 feet deep.