---
oid: "1.3.91"
asn1-notation: "{iso(1) identified-organization(3) 91}"
description: "Cisco Systems / Open Systems Interconnection (OSI) network"
last-modified: "2026-05-26"
tags: [oid-repository]
---

## OID: `1.3.91` (last updated: 2026-05-26)

```asn1
{iso(1) identified-organization(3) 91}
```

### Description

Cisco Systems / Open Systems Interconnection (OSI) network

**Classification**: Identification scheme

### Supplementary information

Description of organizations covered by the coding system: Any organization that participates in a Cisco Systems / OSI networking environment. This program encompasses organizations throughout the world. 
 
See also the other OIDs for Cisco:
 
- [`{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) cisco(9)}`](https://oid-base.com/get-md/1.3.6.1.4.1.9),
- [`{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 5771}`](https://oid-base.com/get-md/1.3.6.1.4.1.5771),
- [`{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 5852}`](https://oid-base.com/get-md/1.3.6.1.4.1.5842),
- [`{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 7003}`](https://oid-base.com/get-md/1.3.6.1.4.1.7003),
- [`{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 26484}`](https://oid-base.com/get-md/1.3.6.1.4.1.26484),
- [`{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 46606}`](https://oid-base.com/get-md/1.3.6.1.4.1.46606),
- [`{iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 61234}`](https://oid-base.com/get-md/1.3.6.1.4.1.61234).


### Registrant

Name: Cisco Systems
Address: 170 W. Tasman Drive 
San Jose, CA 95134 
United States (the)
Phone: +1 408 526 4000
Assignment date: 1995-11

### Child OIDs

No child OID

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