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Data as of Nov 15, 2026

91.124.21.0/24

2 residential-proxy exits · 30 days

Oracle Corporation · space held by JSC "Ukrtelecom"

Announcement
this exact prefix
RPKI valid
Announced by
AS31898
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Oct 22, 2026
from AS152726 Dream Engineering

Residential-proxy exits

Proxy exits
2
0.78% of its addresses · 30 days
Oct 16, 2026 – Nov 14, 2026

Exits seen per day

2 observations
IPv4 market

Path

Announced by AS31898 since Oct 22, 2026 · 3 wk ago
1 · Holder
JSC "Ukrtelecom"
record created Oct 6, 2006
2 · Leased from
IPXO
3 · Announced by
AS31898 Oracle Corporation
since Oct 22, 2026 · 3 wk ago
4 · Use
Hosting

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

91.124.21.0/24

From the registry to its use

  1. Oct 6, 2006
    Registry record
    JSC "Ukrtelecom"
    ALLOCATED PA
    91.124.0.0/16
  2. Jan 12, 2024
    Reallocated
    JSC "Ukrtelecom"
    SUB-ALLOCATED PA
    91.124.0.0/17
  3. Apr 23, 2024– Jun 9, 2024
    Announced
    AS3320 Deutsche Telekom AG
    Internet provider
  4. May 29, 2024– Feb 28, 2025
    Announced
    AS8220 COLT Technology Services Group Limited
    Internet provider
  5. Oct 10, 2026– Oct 21, 2026
    Announced
    AS55177 Red Tect LLC
  6. Oct 10, 2026– Nov 2, 2026
    Announced
    AS152726 Dream Engineering
    Business
  7. Oct 22, 2026
    Route object
    IPXO
    RIPE route object for AS31898 Oracle Corporation, maintainer NETUTILS-MNT
  8. Oct 22, 2026
    Route object
    IPXO
    RADB route object for AS31898 Oracle Corporation, maintainer MAINT-AS834
  9. Oct 22, 2026– Nov 11, 2026
    Announced
    AS31898 Oracle Corporation
    Hosting
  10. today
    Leased from
    IPXO
    IP 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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
91.124.0.0/1665,536UA-UKRTELECOM-20061006JSC "Ukrtelecom" (ORG-USTC1-RIPE) · UAALLOCATED PAOct 6, 2006oremiga@ukrtelecom.ua
└ 91.124.0.0/1732,768IPXO-91-124-0JSC "Ukrtelecom" (ORG-USTC1-RIPE) · UASUB-ALLOCATED PAJan 12, 2024report@abuseradar.com
└ 91.124.21.0/24256NET-91-124-21-0-24unknownASSIGNED PAOct 22, 2026report@abuseradar.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Apr 2024
Current origin since
Oct 22, 2026 · under a month
Origin networks
5
Last change of origin
Oct 22, 2026
Recorded history

History

Handoffs
4