Data as of Nov 9, 2026
128.140.254.0/24
No anonymizer space · no proxy exits in 30 daysUnitary enterprise A1
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 128.140.240.0/20 since Oct 2011 | AS42772 | Mobile | 577 1 always on | 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 |
|---|---|---|---|---|---|---|
| 128.140.240.0/20 | 4,096 | BY-MDC-20111012 | Unitary enterprise A1 (ORG-JMDC1-RIPE) · BY | ALLOCATED PA | Oct 12, 2011 | abuse@ |
| └ 128.140.254.0/24 | 256 | A1-Digital-Services | A1 Digital Services FLLC (ORG-AISF5-RIPE) · BY | SUB-ALLOCATED PA | Apr 30, 2024 | abuse@ |
Network & registry
IPv4 market
Holder
- Organization
- Unitary enterprise A1
- Handle
- ORG-JMDC1-RIPE
- Range
- 128.
140. 240. 0/ 20 - Registration type
- ALLOCATED PA
- Record created
- Oct 12, 2011
- Reallocated to
- A1 Digital Services FLLC (ORG-AISF5-RIPE)
- Reallocated range
- 128.
140. 254. 0/ 24 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Apr 30, 2024
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
- May 2017
- Current origin since
- Nov 2017 · 9.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2017
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 128.140.254.0/24 | AS205820 | /24 | RIPE | RPKI valid |
| 128.140.240.0/20 | AS42772 | /20 | RIPE | Another network |
Whois
Registration for this announcement
- Range
- 128.
140. 254. 0/ 24 - Netname
- A1-Digital-Services
- Registrant
- A1 Digital Services FLLC
- Registrant country
- BY
- Organization
- A1 Digital Services FLLC (ORG-AISF5-RIPE)
- Org country
- BY
- Type
- SUB-ALLOCATED PA
- Created
- Apr 30, 2024
- Updated
- Feb 13, 2026
- Maintainer
- MNT-MDC
- RIR
- RIPE NCC
- Country
- BY
- Delegated
- Oct 12, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
a1. by - Name
- Velcom RIPE Admins
- Handle
- VELC-RIPE