Data as of Nov 8, 2026
146.120.109.0/24
No anonymizer space · no proxy exits in 30 daysSIBGENKO · space held by ALFA TELECOM s.r.o.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 146.120.0.0/16 since Nov 2013 | AS44546 | Residential | 10,639 2,009 always on | ALFA TELECOM s.r.o. |
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 |
|---|---|---|---|---|---|---|
| 146.120.0.0/16 | 65,536 | CZ-ALFATELECOM-20110712 | ALFA TELECOM s.r.o. (ORG-ATS13-RIPE) · CZ | ALLOCATED PA | Jul 12, 2011 | abuse@ |
| └ 146.120.109.0/24 | 256 | SIBGENKO-NET | "Siberian generating company" Limited liability company (ORG-GCLL1-RIPE) · RU | ASSIGNED PA | Jul 27, 2017 | dispit@ |
Network & registry
IPv4 market
Holder
- Organization
- ALFA TELECOM s.r.o.
- Handle
- ORG-ATS13-RIPE
- Range
- 146.
120. 0. 0/ 16 - Registration type
- ALLOCATED PA
- Record created
- Jul 12, 2011
Origin network
AS59525
RU
- Name
- SIBGENKO
- Type
- Business
- Registered
- Aug 1, 2012
- Domain
- sibgenco.ru
- Industry
- Government and Regulatory Agencies, Administrations, Departments, and Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2017
- Current origin since
- Jan 2023 · 3.8 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 146.120.109.0/24 | AS59525 | /24 | RIPE | RPKI valid |
| 146.120.0.0/16 | AS44546 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS59525 | RIPE | RIPE-DB-MNT | May 22, 2026 |
Whois
Registration for this announcement
- Range
- 146.
120. 109. 0/ 24 - Netname
- SIBGENKO-NET
- Registrant
- "Siberian generating company" Limited liability company
- Registrant country
- RU
- Organization
- "Siberian generating company" Limited liability company (ORG-GCLL1-RIPE)
- Org country
- RU
- Type
- ASSIGNED PA
- Created
- Jul 27, 2017
- Updated
- Jun 12, 2026
- Maintainer
- RIPE-DB-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jul 12, 2011
- Status
- assigned
Report abuse
Abuse contact
- dispit@
sibgenco. ru - Name
- Siberian generating company
- Handle
- AR23824-RIPE