Internet numbers (RFC1020)
Original Publication Date: 1987-Nov-01
Included in the Prior Art Database: 2000-Sep-12
Internet Society Requests For Comment (RFCs)
S. Romano: AUTHOR [+2]
The responsibility for the assignment of IP numbers and ASNs has been assumed by Hostmaster at the DDN Network Information Center (NIC). The Hostmaster staff are indebted to Dr. Jon Postel and Ms. Joyce Reynolds of the Information Sciences Institute at the University of Southern California for their ongoing assistance.
Network Working Group S. Romano
Request for Comments: 1020 M. Stahl
Obsoletes RFCs: 997, 990, 960, 943, SRI
923, 900, 870, 820, 790, 776, 770, 762, November 1987
758, 755, 750, 739, 604, 503, 433, 349
Obsoletes IENs: 127, 117, 93
STATUS OF THIS MEMO
This memo is an official status report on the network numbers used in
the Internet community. Distribution of this memo is unlimited.
The responsibility for the assignment of IP numbers and ASNs has been
assumed by Hostmaster at the DDN Network Information Center (NIC).
The Hostmaster staff are indebted to Dr. Jon Postel and Ms. Joyce
Reynolds of the Information Sciences Institute at the University of
Southern California for their ongoing assistance.
This Network Working Group Request for Comments documents the
currently assigned network numbers and gateway autonomous systems.
This RFC will be updated periodically, and in any case current
information can be obtained from Hostmaster.
DDN Network Information Center
333 Ravenswood Avenue
Menlo Park, California 94025
ARPA mail: HOSTMASTER@SRI-NIC.ARPA
Most of the protocols used in the Internet are documented in the RFC
series of notes. Some of the items listed are undocumented. Further
information on protocols can be found in the memo "Official Internet
Protocols" . The more prominent and more generally used are
documented in the "DDN Protocol Handbook"  prepared by the NIC.
Other collections of older or obsolete protocols are contained in the
"Internet Protocol Transition Workbook" , or in the "ARPANET
Protocol Transition Handbook" . For further information on
ordering the complete 1985 DDN Protocol Handbook, contact the
The entries below contain the name and 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 or
autonomous system, where the number ("nn") cites the document and the
letters ("iii") cites the handle of the responsible person. The NIC
Handle is a unique identifier that is used in the NIC WHOIS (NICNAME)
service. People sometimes change electronic mailboxes. To find out
the latest mailbox or phone number of a contact, use the NIC
WHOIS/NICNAME server or contact HOSTMASTER@SRI-NIC.ARPA.
The convention used for the documentation of Internet Protocols is to
express numbers in decimal and to picture data in "big-endian" order
. That is, fields are described left to right, with the most
significant octet on the left and the least significant octet on the
The order of transmission of th...