Data as of Nov 8, 2026
185.183.121.0/24
No anonymizer space · no proxy exits in 30 daysUnitary enterprise A1
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 185.183.120.0/22 since Oct 2018 | AS205820 | Residential | 1 | Unitary enterprise A1 |
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 |
|---|---|---|---|---|---|---|
| 185.183.120.0/22 | 1,024 | BY-MDC-20161227 | Unitary enterprise A1 (ORG-JMDC1-RIPE) · BY | ALLOCATED PA | Dec 27, 2016 | abuse@ |
| └ 185.183.120.0/23 | 512 | A1-Digital-Services | A1 Digital Services FLLC (ORG-AISF5-RIPE) · BY | ASSIGNED PA | Sep 29, 2024 | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Unitary enterprise A1
- Handle
- ORG-JMDC1-RIPE
- Range
- 185.
183. 120. 0/ 22 - Registration type
- ALLOCATED PA
- Record created
- Dec 27, 2016
Origin network
AS205820
BY
- Name
- Unitary enterprise A1
- Type
- Internet provider
- Registered
- May 26, 2017
- Domain
- a1.by
- 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
- Oct 2018
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 185.183.121.0/24 | AS205820 | /24 | RIPE | RPKI valid |
| 185.183.120.0/22 | AS205820 | /22 | RIPE | Too specific |
Whois
Registration for this announcement
- Range
- 185.
183. 120. 0/ 23 - Netname
- A1-Digital-Services
- Registrant
- A1 Digital Services FLLC
- Registrant country
- BY
- Organization
- A1 Digital Services FLLC (ORG-AISF5-RIPE)
- Org country
- BY
- Type
- ASSIGNED PA
- Created
- Sep 29, 2024
- Updated
- Sep 29, 2024
- Maintainer
- MNT-MDC
- RIR
- RIPE NCC
- Country
- BY
- Delegated
- Dec 27, 2016
- Status
- assigned
Report abuse
Abuse contact
- abuse@
a1. by - Name
- Velcom RIPE Admins
- Handle
- VELC-RIPE