It depends on whether you are using a default subnet mask or you are subnetting the class B network. A default subnet mask would be 255.255.0.0, but if you are subnetting the last 2 octets in the subnet mask could be anything (up to 255 per octet).
Classful Routing Protocol
Classful vs. Classless RIPv1 is a classful protocol, meaning that the subnet mask is not included in the routing updates. With RIP, only the default subnet mask is used to identify networks. RIP v2 is a classless protocol, meaning that the subnet mask IS included in the routing tables.. RIPv2 supports variable subnet masks (VLSM).
rip version 1 is classfull routing protocol. in classfull routing protocol is not able to carry its subnet mask whatever the ip belong from a class. it wil take its by default subnet mask.if the ip address belong to class b and the subnet mask is published as /28. in classless routing protocol this ip address would be displayed as /16 not like /28
RIP VERSIONV1 can be seen to exclude subnet information from routing updates, this is because ripv1 is a classful routing protocol and does not support VSLM, this was corrected in RIPv2 where ripv2 does send out subnet mask's in the form of a prefix eg /24 which is the subnet mask of 255.255.255.0 or a class c address.
A router running a classless routing protocol (Such as OSPF) will send the subnet mask in its route updates to its neighboring routers.
With CIDR and VLSM, the subnet mask can no longer be implied. The routing protocol must include information about the subnet mask, when a router sends updates to other routers. This makes some older routing protocols unsuitable for such cases; for example, RIP version 1 is unsuitable, but RIP version 2 was changed so that it included the subnet mask.With CIDR and VLSM, the subnet mask can no longer be implied. The routing protocol must include information about the subnet mask, when a router sends updates to other routers. This makes some older routing protocols unsuitable for such cases; for example, RIP version 1 is unsuitable, but RIP version 2 was changed so that it included the subnet mask.With CIDR and VLSM, the subnet mask can no longer be implied. The routing protocol must include information about the subnet mask, when a router sends updates to other routers. This makes some older routing protocols unsuitable for such cases; for example, RIP version 1 is unsuitable, but RIP version 2 was changed so that it included the subnet mask.With CIDR and VLSM, the subnet mask can no longer be implied. The routing protocol must include information about the subnet mask, when a router sends updates to other routers. This makes some older routing protocols unsuitable for such cases; for example, RIP version 1 is unsuitable, but RIP version 2 was changed so that it included the subnet mask.
Subnet mask is a mask used to determine what subnet an IP address belongs to. Default gateway is the gateway in a network that a computer will use to access another network if a gateway is not specified for use.
An IP address is a unique identify of a computer using the Internet Protocol. Three ways of conserving IP addresses are by using Network Address Translation, Dynamic Host Configuration Protocol and an appropriate subnet mask.
It does not require a subnet mask.
If this is a default subnet mask, then it would be a class C subnet mask. If you are subnetting a network and this is not the default subnet mask, then it could be either a class A or class B.
The default subnet mask has a standard size. The custom subnet mask allows you to make subnets that are smaller or larger than the default.
DHCP Dynamic Host Configuration Protocal