---
title: ipHostNumber
description: OID
component: pingds
version: 8.1
page_id: pingds:schemaref:at-ipHostNumber
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/at-ipHostNumber.html
---

# ipHostNumber

|                             |                                                                                                   |
| --------------------------- | ------------------------------------------------------------------------------------------------- |
| *OID*                       | 1.3.6.1.1.1.1.19                                                                                  |
| *Names*                     | ipHostNumber                                                                                      |
| *Description*               | IPv4 addresses as a dotted decimal omitting leading zeros or IPv6 addresses as defined in RFC2373 |
| *Syntax*                    | [IA5String](s-IA5String.html)                                                                     |
| *Equality matching rule*    | [caseIgnoreIA5Match](mr-caseIgnoreIA5Match.html)                                                  |
| *Ordering matching rule*    | [caseIgnoreOrderingMatch](mr-caseIgnoreOrderingMatch.html)                                        |
| *Substring matching rule*   | [caseIgnoreSubstringsMatch](mr-caseIgnoreSubstringsMatch.html)                                    |
| *Single value*              | false: multiple values allowed                                                                    |
| *User modification allowed* | true                                                                                              |
| *Usage*                     | userApplications                                                                                  |
| *Origin*                    | [draft-howard-rfc2307bis](https://datatracker.ietf.org/doc/html/draft-howard-rfc2307bis)          |
| *Schema file*               | 04-rfc2307bis.ldif                                                                                |
| *Used by*                   | [ipHost](oc-ipHost.html)                                                                          |