Data as of Nov 5, 2026
91.124.172.0/24
No anonymizer space · no proxy exits in 30 daysZenlayer Inc · space held by JSC "Ukrtelecom"
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Nov 5, 2026
from AS219105 AppFabric LLC
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 |
|---|---|---|---|---|---|---|
| 91.124.0.0/16 | 65,536 | UA-UKRTELECOM-20061006 | JSC "Ukrtelecom" (ORG-USTC1-RIPE) · UA | ALLOCATED PA | Oct 6, 2006 | oremiga@ |
| └ 91.124.128.0/17 | 32,768 | NET-91-124-128-0 | unknown | SUB-ALLOCATED PA | Jan 12, 2024 | report@ |
| └ 91.124.172.0/24 | 256 | IPXO | Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GB | SUB-ALLOCATED PA | Mar 27, 2024 | report@ |
Network & registry
IPv4 market
Holder
- Organization
- JSC "Ukrtelecom"
- Handle
- ORG-USTC1-RIPE
- Range
- 91.
124. 0. 0/ 16 - Registration type
- ALLOCATED PA
- Record created
- Oct 6, 2006
- Reallocated to
- Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE)
- Reallocated range
- 91.
124. 172. 0/ 24 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Mar 27, 2024
Origin network
AS21859
US
- Name
- Zenlayer Inc
- Type
- Hosting
- Registered
- Apr 2, 2013
- Domain
- zenlayer.com
- Website
- www.zenlayer.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 314
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Mar 2022
- Current origin since
- Nov 5, 2026 · under a month
- Origin networks
- 7
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 5
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 91.124.172.0/24 | AS21859 | /24 | RIPE | RPKI valid |
| 91.124.172.0/23 | AS20473 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS834 not the origin | RADB | autogen | MAINT-AS834 | Oct 19, 2026 |
Whois
Registration for this announcement
- Range
- 91.
124. 172. 0/ 24 - Netname
- IPXO
- Registrant country
- EU
- Organization
- Not stated by the registry
- Type
- SUB-ALLOCATED PA
- Created
- Mar 27, 2024
- Updated
- Nov 2, 2026
- Maintainer
- netutils-mnt
- RIR
- RIPE NCC
- Country
- UA
- Delegated
- Oct 6, 2006
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Internet Utilities Abuse Contact
- Handle
- AR834