Data as of Nov 14, 2026
154.45.226.0/24
No anonymizer space · no proxy exits in 30 daysKOESIO Networks SAS · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 154.40.0.0/13 since Sep 2006 | AS174 | Internet provider | 18,421 1,531 always on |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 154.45.0.0/16 | 65,536 | COGENT-154-45-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | abuse@ |
| └ 154.45.226.0/24 | 256 | KOESIO-NETWORKS-CGNT-NET-5 | S.A.S.U. Koesio Networks (C11292039) · FR | Reassigned | Jul 23, 2025 | abuse@ via COGENT-154-45-16 |
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
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 154.
45. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Feb 5, 1992
- Legacy
- yes
Origin network
AS197033
FR
- Name
- KOESIO Networks SAS
- Type
- Internet provider
- Registered
- Apr 26, 2010
- Domain
- koesio.com
- Website
- www.koesio.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2023
- Current origin since
- Jun 2023 · 3.4 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS197033 | RADB | Route Registered for Cogent Communications Customer S.A.S.U. KOESIO NETWORKS | MAINT-AS174 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 154.
45. 226. 0/ 24 - Netname
- KOESIO-NETWORKS-CGNT-NET-5
- Registrant
- S.A.S.U. Koesio Networks
- Organization
- S.A.S.U. Koesio Networks (C11292039)
- Type
- Reassigned
- Handle
- NET-154-45-226-0-1
- Parent
- NET-154-45-0-0-1
- Created
- Jul 23, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN