Data as of Nov 4, 2026

204.97.128.0/18

Anonymizer · ISP proxy1 residential-proxy exit · 30 days

Cox Communications Inc. · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
ISP proxy
Recent change
New origin Jul 2026
from AS3931 Logical Net Corporation, after 5 years unannounced

Residential-proxy exits

Proxy exits
1
<0.01% of its addresses · 30 days
Spread
1 of 64
/24s with at least one exit
Providers
1
selling exits here
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

1 observation

Proxy providers listing exits

  • GSocks
IPv4 market

Path

Announced by AS22773 since Jul 2026 · 4 mo ago
1 · Holder
record created Jul 13, 1994
2 · Leased from
3 · Announced by
AS22773 Cox Communications Inc.
since Jul 2026 · 4 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 204.97.128.0/18/24s
Rackdog
16,384100%
64
Leased from

Owners leasing their own space

NameIn 204.97.128.0/18/24s
Cogent Communications, LLC
16,384100%
64

Lineage

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

204.97.128.0/18

From the registry to its use

  1. Jul 13, 1994
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    204.94.0.0 - 204.97.255.255
  2. May 9, 2005– May 16, 2024
    Announced
    AS1239 Cogent Communications, LLC
    as part of 204.96.0.0/15
    204.96.0.0/15
  3. May 9, 2005– Jul 31, 2021
    Announced
    AS3931 Logical Net Corporation
    Business
  4. May 5, 2024– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 204.96.0.0/15
    204.96.0.0/15
  5. May 27, 2026
    Assigned
    RCN
    Reassigned
    204.97.128.0/18
  6. Jul 18, 2026– today
    Announced
    AS22773 Cox Communications Inc.
    Internet provider
  7. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
204.96.0.0/15
since May 2024
AS174Internet provider1Cogent Communications, LLC
More specific

Announcements inside

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
204.97.128.0/20
since Aug 2025
AS6079ISP proxyIP broker RackdogCogent Communications, LLC
204.97.128.0/21
since Oct 4, 2026
AS7029ISP proxyIP broker RackdogCogent Communications, LLC
204.97.136.0/21
since Sep 28, 2026
AS7029ISP proxyIP broker RackdogCogent Communications, LLC
204.97.144.0/20
since Aug 2025
AS6079ISP proxyIP broker RackdogCogent Communications, LLC
204.97.160.0/20
since Sep 2025
AS7459ISP proxyIP broker RackdogCogent Communications, LLC
204.97.176.0/20
since Sep 2025
AS7459ISP proxyIP broker Rackdog1Cogent Communications, LLC

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
204.94.0.0 - 204.97.255.255262,144COGCCogent Communications, LLC (COGC) · USDirect AllocationJul 13, 1994abuse@cogentco.com
└ 204.97.128.0/1816,384RACKDOG-CGNT-NET-35RCN (C11605230) · USReassignedMay 27, 2026abuse@cogentco.com
via COGC

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
Cogent Communications, LLC
Handle
COGC
Range
204.94.0.0 - 204.97.255.255
Registration type
Direct Allocation
Record created
Jul 13, 1994
Legacy
yes
Origin network

AS22773

US
Name
Cox Communications Inc.
Type
Internet provider
Registered
Nov 20, 2001
Domain
cox.com
Website
www.cox.com/peering
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed