Unfinished Document - please be awere of this!
This is mosty a copy from IANA so if you don't find it here try this page instead.
IESG Approval or Standards Action
[RFC2939]
The Internet Control Message Protocol (ICMP) has many messages that are identified by a "type" field.
| Type | Name | Reference |
| 0 | Echo Reply | [RFC792] |
| 1 | Unassigned | [JBP] |
| 2 | Unassigned | [JBP] |
| 3 | Destination Unreachable | [RFC792] |
| 4 | Source Quench (Deprecated) | [RFC792][RFC6633] |
| 5 | Redirect | [RFC792] |
| 6 | Alternate Host Address | [JBP] |
| 7 | Unassigned | [JBP] |
| 8 | Echo | [RFC792] |
| 9 | Router Advertisement | [RFC1256] |
| 10 | Router Solicitation | [RFC1256] |
| 11 | Time Exceeded | [RFC792] |
| 12 | Parameter Problem | [RFC792] |
| 13 | Timestamp | [RFC792] |
| 14 | Timestamp Reply | [RFC792] |
| 15 | Information Request | [RFC792] |
| 16 | Information Reply | [RFC792] |
| 17 | Address Mask Request | [RFC950] |
| 18 | Address Mask Reply | [RFC950] |
| 19 | Reserved (for Security) | [Solo] |
| 20-29 | Reserved (for Robustness Experiment) | [ZSu] |
| 30 | Traceroute | [RFC1393] |
| 31 | Datagram Conversion Error | [RFC1475] |
| 32 | Mobile Host Redirect | [David_Johnson] |
| 33 | IPv6 Where-Are-You | [Simpson] |
| 34 | IPv6 I-Am-Here | [Simpson] |
| 35 | Mobile Registration Request | [Simpson] |
| 36 | Mobile Registration Reply | [Simpson] |
| 37 | Domain Name Request | [RFC1788] |
| 38 | Domain Name Reply | [RFC1788] |
| 39 | SKIP | [Markson] |
| 40 | Photuris | [RFC2521] |
| 41 | ICMP messages utilized by experimental mobility protocols such as Seamoby | [RFC4065] |
| 42-255 | Reserved | [JBP] |