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... Network Working Group Request for Comments documents the
currently assigned network numbers and gateway autonomous systems.
...
... autonomous systems.
This RFC will be updated periodically, and in any case current
information can be obtained from Hostmaster at the DDN Network
Information Center (NIC).
...
...
Hostmaster
DDN Network Information Center
SRI International
333 Ravenswood Avenue
...
... Hostmaster.
The lists below contain the name and network mailbox of the
individuals responsible for each registered network ...
... network mailbox of the
individuals responsible for each registered network or autonomous
system. The bracketed entry, e.g., [nn,iii], at the right hand
margin of the page indicates a reference for the listed network ...
... network or autonomous
system. The bracketed entry, e.g., [nn,iii], at the right hand
margin of the page indicates a reference for the listed network or
autonomous system, where the number ("nn") cites the document and the
...
... service. People occasionally change electronic
mailboxes. To find out the current network mailbox or phone number
...
... mailbox or phone number
for an individual, or to get information about a registered network,
use the NIC WHOIS ...
... NETWORK NUMBERS ...
... address field
and divides that address into a network part and a "rest" or local
address part. The division takes 4 forms or classes.
...
... 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|0| NETWORK | Local Address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
...
... 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|1 0| NETWORK | Local Address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
...
... 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|1 1 0| NETWORK | Local Address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
...
...
The dotted decimal notation will be used in the listing of assigned
network numbers. The class A networks will have nnn.rrr.rrr.rrr, the
...
... networks will have nnn.rrr.rrr.rrr, the
class B networks will have nnn.nnn.rrr.rrr, and the class C networks
...
... class B networks will have nnn.nnn.rrr.rrr, and the class C networks
will have nnn.nnn.nnn.rrr, where nnn represents part or all of a
network ...
... networks
will have nnn.nnn.nnn.rrr, where nnn represents part or all of a
network number and rrr represents part or all of a local address.
...
... Defense, Government (Non-Defense), and Commercial. To reflect the
allocation of network identifiers among the categories, a one-
character code is placed to the left of the network ...
... network identifiers among the categories, a one-
character code is placed to the left of the network number: R for
Research, D for Defense, G for Government, and C for Commercial (see
...
... Research, D for Defense, G for Government, and C for Commercial (see
Appendix A for further details on this division of the network
identification).
...
... identification).
Network numbers are assigned for networks that are connected to the
research Internet ...
...
Network numbers are assigned for networks that are connected to the
research Internet and operational Internet ...
... Internet and operational Internet, and for independent
networks that use the IP family protocols (these are usually
commercial). These independent networks ...
... networks that use the IP family protocols (these are usually
commercial). These independent networks are marked with an asterisk
preceding the number.
...
...
The administrators of independent networks must apply separately for
permission to interconnect their network with the Internet ...
... administrators of independent networks must apply separately for
permission to interconnect their network with the Internet.
Independent networks ...
... network with the Internet.
Independent networks should not be listed in the working tables of
the Internet hosts ...
... gateways.
For various reasons, the assigned numbers of networks are sometimes
changed. To ease the transition the old number will be listed for a
transition period as well. These "old number" entries will be marked
...
... with a "T" following the number and preceding the name, and the
network name will be suffixed "-TEMP".
Special Addresses ...
... The address zero is to be interpreted as meaning "this",
as in "this network".
For example, the address ...
... address 128.9.255.255 could be interpreted as
meaning all hosts on the network 128.9.
The class ...
... loopback" function,
that is, a datagram sent by a higher level protocol to a network 127
address should loop back inside the host ...
... host. No datagram "sent" to a
network 127 address should ever appear on any network anywhere.
...
...
* Internet Address Network Name References
- ---------------- ------- ---- ----------
0.rrr.rrr.rrr Reserved Reserved [JBP]
...
...
* Internet Address Network Name References
- ---------------- ------- ---- ----------
128.0.rrr.rrr Reserved Reserved [JBP]
...
...
* Internet Address Network Name References
- ---------------- ------- ---- ----------
192.0.0.rrr Reserved Reserved [JBP]
...
... 192.33.255.rrr Reserved Reserved [JBP]
C*192.34.0.rrr-192.34.255.rrr NETWORK-ADM-OFFICE [SI8]
C*192.35.0.rrr-192.35.19.rrr NIXDORF Nets [PD39]
...
...
* Internet Address Name Network References
- ---------------- ---- ------- ----------
224.000.000.000-239.255.255.255 Multicast ...
... [11,JBP]
240.000.000.000-255.255.255.255 Reserved [JBP]
Network Totals
Assigned for the ARPA ...
... Chon, K., et al., "SDN: A Computer Network for Korean Research Community", Proc. of the Pacific Computer Communications Symposium, October 1985, pp. 567-570, Seoul,
Korea. ...
... Chon, K., et al., "System Development Network", Proc. of TENCON, April 1984, pp. 133-135, Singapore. ...
... Clark, D., "Revision of DSP Specification", Local Network Note 9, Laboratory for Computer Science, MIT, June 1977. ...
... Feinler, E., editor, "DDN Protocol Handbook", Network Information Center, SRI International, December 1985. ...
... Feinler, E., editor, "Internet Protocol Transition Workbook", Network Information Center, SRI International, March 1982. ...
... Hwang, K., W. J. Croft and G. H. Goble, "A Unix-Based Local Computer Network with Load Balancing", IEEE Computer, April 1982. ...
... IBM Corporation, "Technical Reference Manual for the IBM PC Network", 6322505, IBM, Boca Raton, Florida, 1984. ...
... Korb, J. T., "A Standard for the Transmission of IP Datagrams Over Public Data Networks", RFC 877(-> 1356draft), Purdue University, September 1983. ...
... Leach, et al., "The Architecture of an Integrated Local Network", IEEE Journal on Selected Areas in Communications, Vol SAC-1, No. 5, November 1983. ...
... Leffler, Samuel J., et al., "4.2 BSD Network Implementation Notes", July, 1983, University of California, Berkeley. ...
... Macgregor, W., and D. Tappan, "The CRONUS Virtual Local Network", RFC 824, Bolt Beranek and Newman, August 1982. ...
... Mills, D., "Network Time Protocol", RFC 958(-> 1305draft | 1119(-> 1305draft) | 1059(-> 1305draft | 1119(-> 1305draft))), M/A-COM Linkabit, September 1985. ...
... Reed, D., "Protocols for the LCS Network", Local Network Note 3, Laboratory for Computer Science, MIT ...
... Reed, D., "Protocols for the LCS Network", Local Network Note 3, Laboratory for Computer Science, MIT, November 1976. ...
... Saltzer, J. H., "Design of a Ten-megabit/sec Token Ring Network", MIT Laboratory for Computer Science Technical Report. ...
... Shuttleworth, B., "A Documentary of MFENet, a National Computer Network", UCRL-52317, Lawrence Livermore Labs, Livermore, California, June 1977. ...
... Physical Layer Specification", AA-K759B-TK, Digital Equipment Corporation, Maynard, MA. Also as: "The Ethernet - A Local Area Network", Version 1.0, Digital Equipment Corporation, Intel Corporation, Xerox Corporation, September 1980. And: "The Ethernet, A Local Area Network ...
... Local Area Network", Version 1.0, Digital Equipment Corporation, Intel Corporation, Xerox Corporation, September 1980. And: "The Ethernet, A Local Area Network: Data Link Layer and Physical Layer Specifications", Digital, Intel and Xerox, November 1982. And: XEROX, "The Ethernet ...
... Data Link Layer and Physical Layer Specifications", Digital, Intel and Xerox, November 1982. And: XEROX, "The Ethernet, A Local Area Network: Data Link Layer and Physical Layer Specification", X3T51/80-50, Xerox Corporation, Stamford, CT ...
... The High Level Protocol Group, "A Network Independent File Transfer Protocol", INWG Protocol Note 86, December 1977. ...
... Whelan, D., "The Caltech Computer Science Department Network", 5052:D F:82, Caltech Computer Science Department, 1892. ...
... The network numbers in class A, B, and C network addresses are allocated
among Research, Defense ...
... are reserved for future use.
Experimental networks which later become operational need not be
renumbered. Rather, the identifiers could be moved from Research to
...
... renumbered. Rather, the identifiers could be moved from Research to
Defense, Government or Commercial status. Thus, network identifiers may
change state ...
... number of identifiers allocated to each use must remain within the
limits indicated above. To make possible this fluid assignment, the
network identifier spaces are not allocated by simple partition, but
...
... Also, organizations not currently affiliated with the Internet may be
assigned numbers for networks for non-connected service. If at some
later time such networks ...
... networks for non-connected service. If at some
later time such networks are connecteed to the Internet (with
appropriate prermissions and approvals) the networks ...
... networks are connecteed to the Internet (with
appropriate prermissions and approvals) the networks need not be
renumbered.
...