Data as of Nov 11, 2026
91.124.172.0/24
Anonymizer · Datacenter proxyZenlayer Inc · space held by JSC "Ukrtelecom"
Announcement
this exact prefix
RPKI valid
Announced by
Type
Datacenter proxy
Risk
85 / 100 · Critical
Recently moved
Recent change
New origin Nov 5, 2026
from AS219105 AppFabric LLC
IPv4 market
Path
Announced by AS21859 since Nov 5, 2026 · 6 days ago
4 · Use
Datacenter proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 91.124.172.0/24 | /24s |
|---|---|---|
| IPXO | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 91.124.172.0/24 | /24s |
|---|---|---|
| JSC "Ukrtelecom" | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
91.124.172.0/24
From the registry to its use
- Oct 6, 2006Registry recordJSC "Ukrtelecom"ALLOCATED PA91.124.0.0/16
- Mar 5, 2022– Sep 24, 2022
- Apr 23, 2024– Mar 24, 2025
- Apr 30, 2025– Aug 15, 2025AnnouncedAS9232 Ntte Global Network (Brand Name)
- Sep 9, 2025– Sep 20, 2025Announced
- Oct 27, 2025– Jan 30, 2026
- Sep 16, 2026– Oct 21, 2026AnnouncedAS219105 AppFabric LLC
- Nov 2, 2026Route objectIPXORIPE route object for AS21859 Zenlayer Inc, maintainer NETUTILS-MNT
- Nov 2, 2026Route objectIPXORADB route object for AS21859 Zenlayer Inc, maintainer MAINT-AS834
- Nov 5, 2026– today
- todayLeased fromIPXOIP broker
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 | unknown | 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
- ORG-CA3088-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
- 2,090
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
- Nov 5, 2026
Recorded history
History
- Handoffs
- 6
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 |
Whois
Registration for this announcement
- Range
- 91.
124. 172. 0/ 24 - Netname
- IPXO
- Registrant country
- MX
- Organization
- Not stated by the registry
- Type
- SUB-ALLOCATED PA
- Created
- Mar 27, 2024
- Updated
- Nov 5, 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