Data as of Nov 3, 2026

209.87.173.0/24

No anonymizer space · no proxy exits in 30 days

Smart Technology Advisers Ltd · space held by Active Data

Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
0 / 100 · Low
IPv4 market

Path

1 · Holder
record created Apr 7, 1999 · reallocated to Internet Utilities NA LLC Jan 7, 2025
2 · Leased from
3 · Announced by
AS216026 Smart Technology Advisers Ltd
since Jul 2025 · 15 mo ago
4 · Use
Unknown

Lineage

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

209.87.173.0/24

From the registry to its use

  1. Apr 7, 1999
    Registry record
    Active Data
    Direct Allocation
    209.87.172.0/22
  2. May 9, 2005– Dec 22, 2012
    Announced
    AS11410 Active Data
  3. Jan 1, 2013– Nov 15, 2019
    Announced
    AS17378 TierPoint, LLC
    Hosting
  4. Jan 7, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    209.87.172.0/22
  5. Apr 30, 2025– Jun 4, 2025
    Announced
    AS393886 Leaseweb USA, Inc.
    Hosting
  6. May 24, 2025– Jul 22, 2025
    Announced
    AS834 IPXO LLC
    Hosting
  7. Jul 23, 2025– today
    Announced
    AS216026 Smart Technology Advisers Ltd
    Business
  8. Jul 29, 2025
    Assigned
    Smart Technology Advisers Ltd
    Reassigned
    209.87.173.0/24
  9. Jul 29, 2025
    Route object
    IPXO
    RADB route object for AS216026 Smart Technology Advisers Ltd, maintainer MAINT-AS834
  10. Jul 29, 2025
    Route object
    IPXO
    ARIN route object for AS216026 Smart Technology Advisers Ltd, maintainer MNT-DCL-577
  11. 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
209.87.172.0/221,024ACTIVE-DATA-2Active Data (AD-1142) · USDirect AllocationApr 7, 1999[email protected]
└ 209.87.172.0/221,024IPXO-4IPXO LLC (IL-845) · USReallocatedMar 28, 2024[email protected]
└ 209.87.172.0/221,024NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 7, 2025[email protected]
└ 209.87.173.0/24256NET-209-87-173-0-24Smart Technology Advisers Ltd (C11296610) · USReassignedJul 29, 2025[email protected]
via ACTIVE-DATA-2

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

IPv4 market

Holder

Organization
Active Data
Handle
AD-1142
Range
209.87.172.0/22
Registration type
Direct Allocation
Record created
Apr 7, 1999
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated
Jan 7, 2025
Origin network

AS216026

GB
Name
Smart Technology Advisers Ltd
Type
Business
Registered
Jul 28, 2025
Domain
smartadvisers.com
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed