| RFC | Status | Reference | Notes |
|---|---|---|---|
| 4821 | Proposed Standard | M. Mathis; J. Heffner (March 2007). Packetization Layer Path MTU Discovery. Network Working Group. doi:10.17487/RFC4821. RFC 4821. | Updated by RFC 8899. |
| 4822 | Proposed Standard | R. Atkinson; M. Fanto (February 2007). RIPv2 Cryptographic Authentication. Network Working Group. doi:10.17487/RFC4822. RFC 4822. | Obsoletes RFC 2082. Updates RFC 2453. |
| 4824 | Informational | J. Hofmueller; A. Bachmann; IO. zmoelnig, eds. (1 April 2007). The Transmission of IP Datagrams over the Semaphore Flag Signaling System (SFSS). Network Working Group. doi:10.17487/RFC4824. RFC 4824. | This is an April Fools' Day Request for Comments. |
| 4843 | Obsolete | P. Nikander; J. Laganier; F. Dupont (April 2007). An IPv6 Prefix for Overlay Routable Cryptographic Hash Identifiers (ORCHID). Network Working Group. doi:10.17487/RFC4843. RFC 4843. | Obsoleted by RFC 7343. |
| 4861 | Draft Standard | T. Narten; E. Nordmark; W. Simpson; H. Holiman (September 2007). Neighbor Discovery for IP version 6 (IPv6). Network Working Group. doi:10.17487/RFC4861. RFC 4861. | Obsoletes RFC 2461. Updated by RFC 5942, 6980, 7048, 7527, 7559, 8028, 8319, 8425 and 9131. |
| 4862 | Draft Standard | S. Thomson; T. Narten; T. Jinmei (September 2007). IPv6 Stateless Address Autoconfiguration. Network Working Group. doi:10.17487/RFC4862. RFC 4862. | Obsoletes RFC 2462. Updated by RFC 7527. |
