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Stig VenaasNote Host Extensions for IP Multicasting [RFC1112] specifies the extensions required of a host implementation of the Internet Protocol (IP) to support multicasting. The multicast addresses are in the range 224.0.0.0 through 239.255.255.255. Address assignments are listed below. The range of addresses between 224.0.0.0 and 224.0.0.255, inclusive, is reserved for the use of routing protocols and other low-level topology discovery or maintenance protocols, such as gateway discovery and group membership reporting. Multicast routers should not forward any multicast datagram with destination addresses in this range, regardless of its TTL.Available Formats XML HTML Plain text Registries included below
Local Network Control Block (224.0.0.0 - 224.0.0.255 (224.0.0/24))Registration Procedure(s)Expert Review, IESG Approval, or Standards ActionReference[RFC5771]Note (*) It is only appropriate to use these values in explicitly- configured experiments; they MUST NOT be shipped as defaults in implementations. See [RFC3692] for details.Available Formats CSV
Internetwork Control Block (224.0.1.0 - 224.0.1.255 (224.0.1/24))Registration Procedure(s)Expert Review, IESG Approval, or Standards ActionReference[RFC5771]Available Formats CSV
AD-HOC Block I (224.0.2.0 - 224.0.255.255)Registration Procedure(s)Expert Review, IESG Approval, or Standards ActionReference[RFC5771]Available Formats CSV
RESERVED (224.1.0.0-224.1.255.255 (224.1/16))Reference[RFC5771]NoteNo new assignments are being made in this range for the time being.Available Formats CSV
SDP/SAP Block (224.2.0.0-224.2.255.255 (224.2/16))Reference[RFC5771]Available FormatsCSV
AD-HOC Block II (224.3.0.0-224.4.255.255 (224.3/16, 224.4/16))Registration Procedure(s)Expert Review, IESG Approval, or Standards ActionReference[RFC5771]Available Formats CSV
RESERVED (224.5.0.0-224.251.255.255 (251 /16s))Reference[RFC5771]Available FormatsCSV
DIS Transient Groups 224.252.0.0-224.255.255.255 (224.252/14))Reference[RFC2365]Available FormatsCSV
RESERVED (225.0.0.0-231.255.255.255 (7 /8s))Reference[RFC5771]Available FormatsCSV
Source-Specific Multicast Block (232.0.0.0-232.255.255.255 (232/8))Reference[RFC5771]NoteAddresses within the 232.0.1.0-232.255.255.255 are dynamically allocated by hosts when needed [RFC4607]Available Formats CSV
GLOP BlockReference[RFC3180]Available FormatsCSV
AD-HOC Block III (233.252.0.0-233.255.255.255 (233.252/14))Registration Procedure(s)Expert Review, IESG Approval, or Standards ActionReference[RFC5771]Available Formats CSV
Unicast-Prefix-based IPv4 Multicast AddressesReference[RFC6034]Available FormatsCSV
Scoped Multicast RangesReference[RFC5771]Available FormatsCSV
Relative Addresses used with Scoped Multicast AddressesReference[RFC5771]Note(*) It is only appropriate to use these values in explicitly- configured experiments; they MUST NOT be shipped as defaults in implementations. See [RFC3692] for details. These addresses are listed in the Domain Name Service under MCAST.NET and 224.IN-ADDR.ARPA. Note that when used on an Ethernet or IEEE 802 network, the 23 low-order bits of the IP Multicast address are placed in the low-order 23 bits of the Ethernet or IEEE 802 net multicast address 1.0.94.0.0.0. See the section on "IANA ETHERNET ADDRESS BLOCK".Available Formats CSV
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Which of the following answers refers to an IPv4 loopback address?The loopback address in IPv4 is 127.0. 01. In IPv6, the loopback address is 0:0:0:0:0:0:0:1 or ::1.
Which of the following answers refers to an IPv4 address range reserved for future use?Addresses in the range 240.0. 0.0 to 255.255. 255.255 are reserved for future use. IPv4 address classes A to C identify single hosts, and are called unicast addresses.
What is the dotted decimal representation of the IPv4 27 subnet mask?
How many bits are there in IP address for IPv4?The IP protocol identifies each computer connected to the network by its corresponding address. This address is a 32 bits number in Ipv4, that has to be unique for each server or computer, which we will call “host”. The IP addresses are usually represented as four decimal ciphers, of 8 bits each, separated by dots.
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