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Data as of Nov 10, 2026

173.247.225.0/24

No anonymizer space · no proxy exits in 30 days

COLT Technology Services Group Limited · space held by Corporate Colocation Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS8220
Type
Unknown
Risk
40 / 100 · Medium
Leased space · Recently moved
Recent change
New origin Jul 2026
from AS205896
IPv4 market

Path

Announced by AS8220 since Jul 2026 · 4 mo ago
1 · Holder
Corporate Colocation Inc.
record created Jul 29, 2010 · reallocated to IPXO LLC May 23, 2024
2 · Leased from
IPXO
3 · Announced by
AS8220 COLT Technology Services Group Limited
since Jul 2026 · 4 mo ago
4 · Use
Unknown

Lineage

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

173.247.225.0/24

From the registry to its use

  1. Jul 29, 2010
    Registry record
    Corporate Colocation Inc.
    Direct Allocation
    173.247.224.0/20
  2. Mar 1, 2011– Nov 8, 2012
    Announced
    AS17139 Corporate Colocation Inc.
    as part of 173.247.224.0/20
    173.247.224.0/20
  3. Jul 20, 2021– Jun 9, 2024
    Announced
    AS17139 Corporate Colocation Inc.
    Hosting
  4. May 23, 2024
    Reallocated
    IPXO LLC
    Reallocated
    173.247.225.0/24
  5. May 29, 2024– Aug 8, 2024
    Announced
    AS834 IPXO LLC
    Hosting
  6. Jun 10, 2024– Jul 3, 2024
    Announced
    AS17139 Corporate Colocation Inc.
    as part of 173.247.224.0/20
    173.247.224.0/20
  7. Jun 22, 2024– Jul 3, 2024
    Announced
    AS399275 Solid Systems LLC
    Hosting
  8. Jul 28, 2024– Oct 7, 2024
    Announced
    AS205220 RH & Co. IT Services Ltd
    Hosting
  9. Sep 26, 2024– Nov 24, 2024
    Announced
    AS834 IPXO LLC
    Hosting
  10. Nov 1, 2024– Nov 12, 2024
    Announced
    AS15731 InterLIR GmbH
    Hosting
  11. Nov 25, 2024– Jan 11, 2025
    Announced
    AS21859 Zenlayer Inc
    Hosting
  12. Dec 31, 2024– Nov 9, 2026
    Announced
    AS17139 Corporate Colocation Inc.
    as part of 173.247.224.0/20
    173.247.224.0/20
  13. Jan 12, 2025– Feb 28, 2025
    Announced
    AS834 IPXO LLC
    Hosting
  14. Apr 30, 2025– Jul 10, 2025
    Announced
    AS14315 1GSERVERS, LLC
    Hosting
  15. Jul 11, 2025– Dec 1, 2025
    Announced
    AS834 IPXO LLC
    Hosting
  16. Nov 20, 2025– Dec 13, 2025
    Announced
    AS205896
  17. Jul 3, 2026
    Route object
    IPXO
    RADB route object for AS8220 COLT Technology Services Group Limited, maintainer MAINT-AS834
  18. Jul 18, 2026– Nov 9, 2026
    Announced
    AS8220 COLT Technology Services Group Limited
    Internet provider
  19. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
173.247.224.0/20
since Dec 2024
AS17139HostingIP broker IPXOCorporate Colocation Inc.

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
173.247.224.0/204,096CORPCOLO-NET04Corporate Colocation Inc. (CORPO-6) · USDirect AllocationJul 29, 2010abuse@coloradocolo.com
└ 173.247.225.0/24256NET-173-247-225-0-24IPXO LLC (IL-845) · USReallocatedMay 23, 2024abuse@ipxo.com
└ 173.247.225.0/24256NET-173-247-225-0-24unknownReassignedJul 3, 2026abuse@ipxo.com
via NET-173-247-225-0-24

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
Corporate Colocation Inc.
Handle
CORPO-6
Range
173.247.224.0/20
Registration type
Direct Allocation
Record created
Jul 29, 2010
Reallocated to
IPXO LLC (IL-845)
Reallocated range
173.247.225.0/24
Reallocated
May 23, 2024
Origin network

AS8220

GB
Name
COLT Technology Services Group Limited
Type
Internet provider
Registered
Feb 24, 1997
Domain
colt.net
Website
www.colt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed