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Data as of Nov 9, 2026

172.121.73.0/24

Anonymizer · Datacenter proxy

Quantumbeam Communications Limited · space held by EGIHosting

Announcement
this exact prefix
RPKI valid
Announced by
AS48529
Type
Datacenter proxy
Risk
85 / 100 · Critical
Recently moved
Recent change
New origin Oct 14, 2026
from AS402475 Delta
IPv4 market

Path

Announced by AS48529 since Oct 14, 2026 · 4 wk ago
1 · Holder
EGIHosting
record created Jun 23, 2015 · reallocated to Internet Utilities NA LLC Jan 30, 2025
2 · Leased from
EGIHosting
its owner, directly
3 · Announced by
AS48529 Quantumbeam Communications Limited
since Oct 14, 2026 · 4 wk ago
4 · Use
Proxy providersnamed Bunny
Datacenter proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 172.121.73.0/24/24s
Bunny
256100%
1
Leased from

Owners leasing their own space

NameIn 172.121.73.0/24/24s
EGIHosting
256100%
1

Lineage

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

172.121.73.0/24

From the registry to its use

  1. Jun 23, 2015
    Registry record
    EGIHosting
    Direct Allocation
    172.120.0.0/15
  2. Jan 24, 2025– Mar 24, 2025
    Announced
    AS834 IPXO LLC
    Hosting
  3. Jan 30, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    172.121.73.0/24
  4. Mar 25, 2025– Aug 22, 2026
    Announced
    AS5065 Bunny Communications
    Hosting
  5. Mar 26, 2025
    Route object
    IPXO
    ARIN route object for AS5065 Bunny Communications, maintainer MNT-DCL-577
  6. Aug 6, 2026
    Route object
    IPXO
    ARIN route object for AS402475 Delta, maintainer MNT-DCL-577
  7. Aug 11, 2026– Oct 13, 2026
    Announced
    AS402475 Delta
    Hosting
  8. Sep 21, 2026
    Route object
    IPXO
    ARIN route object for AS48529 Quantumbeam Communications Limited, maintainer MNT-DCL-577
  9. Oct 14, 2026– today
    Announced
    AS48529 Quantumbeam Communications Limited
  10. today
    Leased from
    EGIHosting
    Lessor
  11. today
    Leased from
    IPXO
    IP broker
  12. today
    Used
    Bunny
    Proxy operator

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
172.120.0.0/15131,072EGN-23EGIHosting (EGNL-1) · USDirect AllocationJun 23, 2015abuse@egihosting.com
└ 172.121.73.0/24256IPXO-LLCIPXO LLC (IL-845) · USReallocatedJan 28, 2025abuse@ipxo.com
└ 172.121.73.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 30, 2025report@abuseradar.com
└ 172.121.73.0/24256NET-172-121-73-0-24Bunny Communications LLC (C11714633) · USReassignedSep 21, 2026report@abuseradar.com
via IPXO-LLC

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
EGIHosting
Handle
EGNL-1
Range
172.120.0.0/15
Registration type
Direct Allocation
Record created
Jun 23, 2015
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
172.121.73.0/24
Reallocated
Jan 30, 2025
Origin network

AS48529

GB
Name
Quantumbeam Communications Limited
Registered
Oct 14, 2016
Domain
qbcomms.uk
Industry
Law, Business, and Consulting Services
Spamhaus ASN-DROP
not listed