Data as of Nov 3, 2026
146.158.90.0/24
1 residential-proxy exit · 30 daysSM Ltd. · space held by ALFA TELECOM s.r.o.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Aug 2026
its first announcement on record
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 4, 2026 – Nov 2, 2026
Exits seen per day
29 observations
Proxy providers listing exits
- Maskify
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 146.158.0.0/17 since May 2014 | AS44546 | Residential | 5,295 1,424 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 | [email protected] |
| └ 146.158.88.0/22 | 1,024 | SIBMEDVED-NET | SM Ltd. (ORG-LS491-RIPE) · RU | ASSIGNED PA | Mar 6, 2026 | [email protected] |
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
AS210616
RU
- Name
- SM Ltd.
- Type
- Internet provider
- Registered
- Jun 27, 2022
- Domain
- sm117.ru
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2026
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 146.158.88.0/22 | AS210616 | /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 |
|---|---|---|---|---|
| AS210616 | RIPE | RIPE-DB-MNT | Mar 6, 2026 |
Whois
Registration for this announcement
- Range
- 146.158.88.0/22
- Netname
- SIBMEDVED-NET
- Registrant
- SM Ltd.
- Registrant country
- RU
- Organization
- SM Ltd. (ORG-LS491-RIPE)
- Org country
- RU
- Type
- ASSIGNED PA
- Created
- Mar 6, 2026
- Updated
- Jul 1, 2026
- Maintainer
- RIPE-DB-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jul 12, 2011
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- SM Ltd. NOC
- Handle
- NC5709-RIPE