Data as of Nov 3, 2026

63.161.16.0/20

Anonymizer · ISP proxy

Telstra Global · space held by Cogent Communications, LLC

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

Path

1 · Holder
record created Dec 3, 1999
2 · Leased from
its owner, directly
3 · Announced by
AS4637 Telstra Global
since Dec 2025 · 11 mo ago
4 · Use
Proxy providersnamed Bright Data
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 63.161.16.0/20/24s
Bright Data
4,096100%
16
Leased from

Owners leasing their own space

NameIn 63.161.16.0/20/24s
Cogent Communications, LLC
4,096100%
16

Lineage

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

63.161.16.0/20

From the registry to its use

  1. Dec 3, 1999
    Registry record
    Cogent Communications, LLC
    Direct Allocation
    63.160.0.0/12
  2. May 4, 2022– May 15, 2022
    Announced
    AS7487 NTT Data Information Processing Services Private Limited
  3. Sep 1, 2022– Oct 6, 2022
    Announced
    AS19437 Secured Servers LLC
    Hosting
  4. Dec 6, 2022– Jun 3, 2023
    Announced
    AS398700 Cactus International, Inc.
    Internet provider
  5. Sep 21, 2025– Oct 2, 2025
    Announced
    AS7118 Global Internet Services
  6. Dec 2, 2025– Nov 2, 2026
    Announced
    AS4637 Telstra Global
    Internet provider
  7. May 27, 2026
    Assigned
    RCN
    Reassigned
    63.161.16.0/20
  8. Sep 18, 2026– Nov 2, 2026
    Announced
    AS174 Cogent Communications, LLC
    as part of 63.160.0.0/12
    63.160.0.0/12
  9. today
    Leased from
    Rackdog
    IP broker
  10. today
    Used
    Bright Data
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
63.160.0.0/12AS174Internet provider179
36 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
63.160.0.0/121,048,576COGENT-63-160-0Cogent Communications, LLC (COGC) · USDirect AllocationDec 3, 1999[email protected]
└ 63.161.16.0/204,096RACKDOG-CGNT-NET-125RCN (C11605371) · USReassignedMay 27, 2026[email protected]
via COGENT-63-160-0

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
63.160.0.0/12
Registration type
Direct Allocation
Record created
Dec 3, 1999
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