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Data as of Nov 3, 2026

65.166.32.0/19

Anonymizer · ISP proxy

Telstra Global · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS4637
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Sep 19, 2000
2 · Leased from
Rackdog
for its owner Cogent Communications, LLC
3 · Announced by
AS4637 Telstra Global
since Dec 2025 · 11 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 65.166.32.0/19/24s
Rackdog
8,192100%
32
Leased from

Owners leasing their own space

NameIn 65.166.32.0/19/24s
Cogent Communications, LLC
8,192100%
32

Lineage

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

65.166.32.0/19

From the registry to its use

  1. Sep 19, 2000
    Registry record
    Cogent Communications, LLC
    Direct Allocation
    65.160.0.0 - 65.173.255.255
  2. Dec 2, 2025– Nov 2, 2026
    Announced
    AS4637 Telstra Global
    Internet provider
  3. May 27, 2026
    Assigned
    RCN
    Reassigned
    65.166.32.0/19
  4. Sep 18, 2026– Nov 2, 2026
    Announced
    AS174 Cogent Communications, LLC
    as part of 65.160.0.0/13
    65.160.0.0/13
  5. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
65.160.0.0/13AS174Internet provider71
3 always on
Cogent 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
65.160.0.0 - 65.173.255.255917,504COGCCogent Communications, LLC (COGC) · USDirect AllocationSep 19, 2000[email protected]
└ 65.166.32.0/198,192RACKDOG-CGNT-NET-134RCN (C11605381) · USReassignedMay 27, 2026[email protected]
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

AnnouncementRouting historyWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
65.160.0.0 - 65.173.255.255
Registration type
Direct Allocation
Record created
Sep 19, 2000
Origin network

AS4637

HK
Name
Telstra Global
Type
Internet provider
Registered
Oct 30, 1995
Domain
telstrainternational.com
Website
www.telstrainternational.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed