Data as of Nov 11, 2026
192.91.243.0/24
No anonymizer space · no proxy exits in 30 daysCERN - European Organization for Nuclear Research
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 192. | 2,816 | CERN | CERN - European Organization for Nuclear Research (ORG-CEOF1-RIPE) · CH | LEGACY | Jan 18, 2012 | abuse@ |
| └ 192.91.243.0/24 | 256 | CERN-CNET30 | CERN - European Organization for Nuclear Research (ORG-CEOF1-RIPE) · CH | LEGACY | — | abuse@ |
Network & registry
Announced by
Covering announcement 192.91.240.0/22
- Prefix
- 192.91.240.0/22
- Announced by
- AS513 CERN - European Organization for Nuclear Research
- Type
- Business
- RPKI
- RPKI valid
- Netname
- CERN
- Registrant
- CERN - European Organization for Nuclear Research
- RIR
- RIPE NCC
Routing timeline
Who has announced 192.91.240.0/22
192.91.240.0/22
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 192.91.240.0/22 | AS513 | /22 | RIPE | RPKI valid |
IRR
Route objects on 192.91.240.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS513 | RIPE | CERN- European Laboratory for Particle Physics | CERN-MNT | Aug 12, 2015 |
Whois
Registration for this announcement
- Range
- 192.
91. 236. 0 - 192. 91. 246. 255 - Netname
- CERN
- Registrant
- CERN - European Organization for Nuclear Research
- Registrant country
- CH
- Organization
- CERN - European Organization for Nuclear Research (ORG-CEOF1-RIPE)
- Org country
- CH
- Type
- LEGACY
- Created
- Jan 18, 2012
- Updated
- Apr 14, 2016
- Maintainer
- RIPE-NCC-LEGACY-MNT
- RIR
- RIPE NCC
- Country
- CH
- Delegated
- Jan 18, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cern. ch - Name
- CERN NOC
- Handle
- CERN513