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Data as of Nov 3, 2026

172.121.3.0/24

Anonymizer · Datacenter proxy

Blazing SEO, LLC · space held by EGIHosting

Announcement
this exact prefix
RPKI valid
Announced by
AS397630
Type
Datacenter proxy
Risk
85 / 100 · Critical
IPv4 market

Path

1 · Holder
EGIHosting
record created Jun 23, 2015 · reallocated to Internet Utilities NA LLC Jan 28, 2025
2 · Leased from
EGIHosting
its owner, directly
3 · Announced by
AS397630 Blazing SEO, LLC
since Apr 2025 · 19 mo ago
4 · Use
Proxy providersnamed Rayobyte, Sprious
Datacenter proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 172.121.3.0/24/24sRole
Rayobyte
256100%
1
Sells it
Sprious
256100%
1
Runs it
Runs itSells it
Leased from

Owners leasing their own space

NameIn 172.121.3.0/24/24s
EGIHosting
256100%
1

Lineage

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

172.121.3.0/24

From the registry to its use

  1. Jun 23, 2015
    Registry record
    EGIHosting
    Direct Allocation
    172.120.0.0/15
  2. Jan 24, 2025– Apr 29, 2025
    Announced
    AS834 IPXO LLC
    Hosting
  3. Jan 28, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    172.121.3.0/24
  4. Apr 18, 2025– Nov 2, 2026
    Announced
    AS397630 Blazing SEO, LLC
    Hosting
  5. Apr 22, 2025
    Route object
    IPXO
    ARIN route object for AS397630 Blazing SEO, LLC, maintainer MNT-DCL-577
  6. Apr 22, 2025
    Route object
    IPXO
    RADB route object for AS397630 Blazing SEO, LLC, maintainer MAINT-AS834
  7. today
    Leased from
    EGIHosting
    Lessor
  8. today
    Leased from
    IPXO
    IP broker
  9. today
    Used
    Rayobyte
    Proxy seller
  10. today
    Used
    Sprious
    Proxy seller

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, 2015[email protected]
└ 172.121.3.0/24256IPXO-LLCIPXO LLC (IL-845) · USReallocatedJan 28, 2025[email protected]
└ 172.121.3.0/24256NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 28, 2025[email protected]
└ 172.121.3.0/24256NET-172-121-3-0-24unknownReassignedApr 22, 2025[email protected]
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
172.121.3.0/24
Reallocated
Jan 28, 2025
Origin network

AS397630

US
Name
Blazing SEO, LLC
Type
Hosting
Registered
Jun 10, 2019
Domain
blazingseollc.com
Industry
Other
Spamhaus ASN-DROP
not listed