% Datatracker information for RFCs on the Legacy Stream is unfortunately often % incorrect. Please correct the bibtex below based on the information in the % actual RFC at https://rfc-editor.org/rfc/rfc3021.txt @misc{rfc3021, series = {Request for Comments}, number = 3021, howpublished = {RFC 3021}, publisher = {RFC Editor}, doi = {10.17487/RFC3021}, url = {https://www.rfc-editor.org/info/rfc3021}, author = {Alvaro Retana and Danny R. McPherson and Russ White and Vince Fuller}, title = {{Using 31-Bit Prefixes on IPv4 Point-to-Point Links}}, pagetotal = 10, year = 2000, month = dec, abstract = {With ever-increasing pressure to conserve IP address space on the Internet, it makes sense to consider where relatively minor changes can be made to fielded practice to improve numbering efficiency. One such change, proposed by this document, is to halve the amount of address space assigned to point-to-point links (common throughout the Internet infrastructure) by allowing the use of 31-bit subnet masks in a very limited way. {[}STANDARDS-TRACK{]}}, }