Data as of Nov 7, 2026

209.236.210.0/24

No anonymizer space · no proxy exits in 30 days

Cloudflare, Inc. · space held by Colocation America Corporation

Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
IPv4 market

Path

1 · Holder
record created Sep 17, 2025 · reallocated to Internet Utilities NA LLC Jan 15, 2026
2 · Leased from
3 · Announced by
AS13335 Cloudflare, Inc.
since May 2026 · 6 mo ago
4 · Use
Hosting

Lineage

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

209.236.210.0/24

From the registry to its use

  1. May 9, 2005– Aug 8, 2014
    Announced
    AS1785 Windstream Communications LLC
    as part of 209.236.192.0/19
    209.236.192.0/19
  2. Jun 15, 2014– Sep 8, 2025
    Announced
    AS7029 Windstream Communications LLC
    as part of 209.236.192.0/19
    209.236.192.0/19
  3. Sep 9, 2025– today
    Announced
    AS21769 Colocation America Corporation
    as part of 209.236.192.0/19
    209.236.192.0/19
  4. Sep 17, 2025
    Registry record
    Colocation America Corporation
    Direct Allocation
    209.236.192.0/19
  5. Jan 15, 2026
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    209.236.208.0/21
  6. Mar 8, 2026– Mar 31, 2026
    Announced
    AS20473 The Constant Company, LLC
    Hosting
  7. Mar 13, 2026
    Route object
    AS20473 The Constant Company, LLC
    RADB route object for AS20473 The Constant Company, LLC, maintainer MAINT-AS20473
  8. Apr 27, 2026
    Assigned
    Internet Utilities NA LLC
    Reassigned
    209.236.210.0/24
  9. Apr 27, 2026
    Route object
    IPXO
    RADB route object for AS13335 Cloudflare, Inc., maintainer MAINT-AS834
  10. Apr 27, 2026
    Route object
    IPXO
    ARIN route object for AS13335 Cloudflare, Inc., maintainer MNT-DCL-577
  11. May 7, 2026– today
    Announced
    AS13335 Cloudflare, Inc.
    Hosting
  12. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromHolderRPKI
209.236.192.0/19
since Sep 2025
AS21769HostingIP broker IPXO (part)Colocation America Corporation

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
209.236.192.0/198,192CAC-BLOCK77Colocation America Corporation (CAC-89) · USDirect AllocationSep 17, 2025Abuse@colocationamerica.com
└ 209.236.208.0/212,048IPXOIPXO LLC (IL-845) · USReallocatedJan 15, 2026abuse@ipxo.com
└ 209.236.208.0/212,048NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedJan 15, 2026report@abuseradar.com
└ 209.236.210.0/24256NET-209-236-210-0-24unknownReassignedApr 27, 2026report@abuseradar.com
via IPXO

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
Colocation America Corporation
Handle
CAC-89
Range
209.236.192.0/19
Registration type
Direct Allocation
Record created
Sep 17, 2025
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated range
209.236.208.0/21
Reallocated
Jan 15, 2026
Origin network

AS13335

US
Name
Cloudflare, Inc.
Type
Hosting
Registered
Jul 14, 2010
Domain
cloudflare.com
Website
www.cloudflare.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed
VPN servers
14