Data as of Nov 3, 2026

199.0.0.0/19

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 Sep 8, 1993
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 199.0.0.0/19/24s
Bright Data
8,192100%
32
Leased from

Owners leasing their own space

NameIn 199.0.0.0/19/24s
Cogent Communications, LLC
8,192100%
32

Lineage

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

199.0.0.0/19

From the registry to its use

  1. Sep 8, 1993
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    199.0.0.0/14
  2. Jun 12, 2003
    Route object
    AS7456 Interhop Network SERVICES Inc.
    RADB route object for AS7456 Interhop Network SERVICES Inc., maintainer MAINT-AS13768
    199.0.16.0/24
  3. Jun 12, 2003
    Route object
    AS7456 Interhop Network SERVICES Inc.
    RADB route object for AS7456 Interhop Network SERVICES Inc., maintainer MAINT-AS13768
    199.0.17.0/24
  4. Jun 12, 2003
    Route object
    AS7456 Interhop Network SERVICES Inc.
    RADB route object for AS7456 Interhop Network SERVICES Inc., maintainer MAINT-AS13768
    199.0.18.0/24
  5. Jun 12, 2003
    Route object
    AS7456 Interhop Network SERVICES Inc.
    RADB route object for AS7456 Interhop Network SERVICES Inc., maintainer MAINT-AS13768
    199.0.19.0/24
  6. Jun 12, 2003
    Route object
    AS7456 Interhop Network SERVICES Inc.
    RADB route object for AS7456 Interhop Network SERVICES Inc., maintainer MAINT-AS13768
    199.0.20.0/24
  7. Jun 12, 2003
    Route object
    AS7456 Interhop Network SERVICES Inc.
    RADB route object for AS7456 Interhop Network SERVICES Inc., maintainer MAINT-AS13768
    199.0.26.0/24
  8. Jun 12, 2003
    Route object
    AS7456 Interhop Network SERVICES Inc.
    RADB route object for AS7456 Interhop Network SERVICES Inc., maintainer MAINT-AS13768
    199.0.27.0/24
  9. Jun 12, 2003
    Route object
    AS7456 Interhop Network SERVICES Inc.
    RADB route object for AS7456 Interhop Network SERVICES Inc., maintainer MAINT-AS13768
    199.0.28.0/24
  10. Jun 12, 2003
    Route object
    AS7456 Interhop Network SERVICES Inc.
    RADB route object for AS7456 Interhop Network SERVICES Inc., maintainer MAINT-AS13768
    199.0.31.0/24
  11. May 9, 2005– May 16, 2024
    Announced
    AS1239 Cogent Communications, LLC
    as part of 199.0.0.0/14
    199.0.0.0/14
  12. Sep 22, 2006
    Route object
    AS19752 Hydro One Telecom Inc.
    RADB route object for AS19752 Hydro One Telecom Inc., maintainer MAINT-AS19752
    199.0.17.0/24
  13. Feb 12, 2010
    Route object
    AS36493 Fibernetics Corporation
    RADB route object for AS36493 Fibernetics Corporation, maintainer MAINT-AS13768
    199.0.16.0/22
  14. Feb 12, 2010
    Route object
    AS36493 Fibernetics Corporation
    RADB route object for AS36493 Fibernetics Corporation, maintainer MAINT-AS13768
    199.0.20.0/24
  15. Feb 12, 2010
    Route object
    AS36493 Fibernetics Corporation
    RADB route object for AS36493 Fibernetics Corporation, maintainer MAINT-AS13768
    199.0.26.0/23
  16. Feb 12, 2010
    Route object
    AS36493 Fibernetics Corporation
    RADB route object for AS36493 Fibernetics Corporation, maintainer MAINT-AS13768
    199.0.28.0/24
  17. Feb 12, 2010
    Route object
    AS36493 Fibernetics Corporation
    RADB route object for AS36493 Fibernetics Corporation, maintainer MAINT-AS13768
    199.0.31.0/24
  18. Feb 18, 2010
    Route object
    AS803 Saskatchewan Telecommunications
    RADB route object for AS803 Saskatchewan Telecommunications, maintainer MAINT-AS13768
    199.0.16.0/22
  19. Feb 18, 2010
    Route object
    AS803 Saskatchewan Telecommunications
    RADB route object for AS803 Saskatchewan Telecommunications, maintainer MAINT-AS13768
    199.0.20.0/24
  20. Feb 18, 2010
    Route object
    AS803 Saskatchewan Telecommunications
    RADB route object for AS803 Saskatchewan Telecommunications, maintainer MAINT-AS13768
    199.0.26.0/23
  21. Feb 18, 2010
    Route object
    AS803 Saskatchewan Telecommunications
    RADB route object for AS803 Saskatchewan Telecommunications, maintainer MAINT-AS13768
    199.0.28.0/24
  22. Feb 18, 2010
    Route object
    AS803 Saskatchewan Telecommunications
    RADB route object for AS803 Saskatchewan Telecommunications, maintainer MAINT-AS13768
    199.0.31.0/24
  23. Oct 17, 2018
    Route object
    AS36508 digitalIPVoice, Inc
    RADB route object for AS36508 digitalIPVoice, Inc, maintainer MAINT-RR
    199.0.14.0/24
  24. May 5, 2024– Nov 2, 2026
    Announced
    AS174 Cogent Communications, LLC
    as part of 199.0.0.0/14
    199.0.0.0/14
  25. Dec 14, 2025– Nov 2, 2026
    Announced
    AS4637 Telstra Global
    Internet provider
  26. May 27, 2026
    Assigned
    RCN
    Reassigned
    199.0.0.0/18
  27. today
    Leased from
    Rackdog
    IP broker
  28. today
    Used
    Bright Data
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
199.0.0.0/14
since May 2024
AS174Internet provider27
5 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
199.0.0.0/14262,144COGENT-199-0-0Cogent Communications, LLC (COGC) · USDirect AllocationSep 8, 1993[email protected]
└ 199.0.0.0/1816,384RACKDOG-CGNT-NET-18RCN (C11605116) · USReassignedMay 27, 2026[email protected]
via COGENT-199-0-0

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
199.0.0.0/14
Registration type
Direct Allocation
Record created
Sep 8, 1993
Legacy
yes
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