Data as of Nov 5, 2026
146.158.66.0/24
No anonymizer space · no proxy exits in 30 daysBTcom Infocommunications Ltd. · space held by ALFA TELECOM s.r.o.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 146.158.0.0/17 since May 2014 | AS44546 | Residential | 5,228 1,426 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 |
|---|---|---|---|---|---|---|
| 146.158.0.0/17 | 32,768 | CZ-ALFATELECOM-20110712 | ALFA TELECOM s.r.o. (ORG-ATS13-RIPE) · CZ | ALLOCATED PA | Jul 12, 2011 | abuse@ |
| └ 146.158.64.0/22 | 1,024 | BAZIS-TELECOM-NET | BTcom Infocommunications Ltd. (ORG-BIL39-RIPE) · KZ | ASSIGNED PA | Apr 1, 2018 | info@ |
Network & registry
IPv4 market
Holder
- Organization
- ALFA TELECOM s.r.o.
- Handle
- ORG-ATS13-RIPE
- Range
- 146.
158. 0. 0/ 17 - Registration type
- ALLOCATED PA
- Record created
- Jul 12, 2011
Origin network
AS41124
KZ
- Name
- BTcom Infocommunications Ltd.
- Type
- Internet provider
- Registered
- Jun 16, 2006
- Domain
- btcom.kz
- 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
- Apr 2018
- Current origin since
- Jan 2021 · 5.8 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 146.158.64.0/22 | AS41124 | /24 | RIPE | RPKI valid |
| 146.158.0.0/17 | AS44546 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS41124 | RIPE | RIPE-DB-MNT | May 22, 2026 |
Whois
Registration for this announcement
- Range
- 146.
158. 64. 0/ 22 - Netname
- BAZIS-TELECOM-NET
- Registrant
- BTcom Infocommunications Ltd.
- Registrant country
- KZ
- Organization
- BTcom Infocommunications Ltd. (ORG-BIL39-RIPE)
- Org country
- KZ
- Type
- ASSIGNED PA
- Created
- Apr 1, 2018
- Updated
- Jun 12, 2026
- Maintainer
- RIPE-DB-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jul 12, 2011
- Status
- assigned
Report abuse
Abuse contact
- info@
btcom. kz - Name
- BTcom Infocommunications Ltd. (Astana Branch) NOC
- Handle
- BILB1-RIPE