Data as of Nov 12, 2026
188.240.51.96/28
No anonymizer space · no proxy exits in 30 daysCoresystem Sasu
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 |
|---|---|---|---|---|---|---|
| 188.240.51.0/24 | 256 | FR-CORESYSTEM-20090623 | Coresystem Sasu (ORG-CS698-RIPE) · FR | ALLOCATED PA | Mar 5, 2021 | abuse@ |
| └ 188.240.51.96/28 | 16 | FR-OPENBL | Hosting Services | ASSIGNED PA | Feb 8, 2023 | abuse@ via FR-CORESYSTEM-20090623 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 188.240.51.0/24
- Prefix
- 188.240.51.0/24
- Announced by
- AS42369 Coresystem Sasu
- Type
- Business
- RPKI
- RPKI valid
- Netname
- FR-CORESYSTEM-20090623
- Registrant
- Coresystem Sasu
- RIR
- RIPE NCC
Origin network
AS42369
FR
- Name
- Coresystem Sasu
- Type
- Business
- Registered
- Feb 9, 2021
- Domain
- coresystem.fr
- Website
- coresystem.fr
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 188.240.51.0/24
188.240.51.0/24
Routing history
- Pattern
- Stable
- First seen
- Feb 2019
- Current origin since
- Feb 2021 · 5.7 yr
- Origin networks
- 4
- Last change of origin
- Feb 2021
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 188.240.51.0/24 | AS42369 | /24 | RIPE | RPKI valid |
| 188.240.51.0/24 | AS49689 | /24 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 188.
240. 51. 0/ 24 - Netname
- FR-CORESYSTEM-20090623
- Registrant
- Coresystem Sasu
- Registrant country
- FR
- Organization
- Coresystem Sasu (ORG-CS698-RIPE)
- Org country
- FR
- Type
- ALLOCATED PA
- Created
- Mar 5, 2021
- Updated
- Mar 20, 2021
- Maintainer
- CORESYSTEM-MNT
- RIR
- RIPE NCC
- Country
- FR
- Delegated
- Jun 23, 2009
- Status
- assigned
Report abuse
Abuse contact
- abuse@
coresystem. net - Name
- CORESYSTEM NOC
- Handle
- CA9993-RIPE