LAYER3 INTEL
Get started
TripwireIntel APIIP IntelPricingBlogDocsContactSign in
Data as of Nov 3, 2026

206.239.0.0/16

49,920 anonymizer addresses · 76% · ISP proxy

NTT America, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS2914
Type
ISP proxy
76% of it
IPv4 market

Path

1 · Holder
NTT America, Inc.
record created Nov 13, 1995
2 · Leased from
Rackdog
for its owner NTT America, Inc.
3 · Announced by
AS2914 NTT America, Inc.
since Aug 2016 · 10.2 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 206.239.0.0/16/24s
Rackdog
49,15275%
192
Leased from

Owners leasing their own space

NameIn 206.239.0.0/16/24s
NTT America, Inc.
49,15275%
192

Lineage

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

206.239.0.0/16

From the registry to its use

  1. Nov 13, 1995
    Registry record
    NTT America, Inc.
    Direct Allocation (legacy, pre-1997)
    206.239.0.0/16
  2. May 9, 2005– Jun 27, 2016
    Announced
    AS2914 NTT America, Inc.
    Internet provider
  3. Aug 15, 2016– Nov 2, 2026
    Announced
    AS2914 NTT America, Inc.
    Internet provider
  4. Aug 23, 2018
    Route object
    AS2914 NTT America, Inc.
    NTTCOM route object for AS2914 NTT America, Inc., maintainer MAINT-NTTCOM-RA
  5. Dec 9, 2025
    Route object
    AS1299 Arelion Sweden AB
    NTTCOM route object for AS1299 Arelion Sweden AB, maintainer MAINT-NTTCOM-BB
    206.239.64.0/18
  6. Dec 9, 2025
    Route object
    AS3257 GTT Communications Inc.
    NTTCOM route object for AS3257 GTT Communications Inc., maintainer MAINT-NTTCOM-BB
    206.239.64.0/18
  7. Dec 9, 2025
    Route object
    AS6079 RCN
    NTTCOM route object for AS6079 RCN, maintainer MAINT-NTTCOM-BB
    206.239.64.0/18
  8. Dec 9, 2025
    Route object
    AS7029 Windstream Communications LLC
    NTTCOM route object for AS7029 Windstream Communications LLC, maintainer MAINT-NTTCOM-BB
    206.239.64.0/18
  9. Dec 9, 2025
    Route object
    AS7843 Charter Communications Inc
    NTTCOM route object for AS7843 Charter Communications Inc, maintainer MAINT-NTTCOM-BB
    206.239.64.0/18
  10. Dec 9, 2025
    Route object
    AS11404 Wave Broadband
    NTTCOM route object for AS11404 Wave Broadband, maintainer MAINT-NTTCOM-BB
    206.239.64.0/18
  11. Dec 9, 2025
    Route object
    AS201115 Pylon One Ltd
    NTTCOM route object for AS201115 Pylon One Ltd, maintainer MAINT-NTTCOM-BB
    206.239.64.0/18
  12. Dec 9, 2025
    Route object
    AS1299 Arelion Sweden AB
    NTTCOM route object for AS1299 Arelion Sweden AB, maintainer MAINT-NTTCOM-BB
    206.239.128.0/17
  13. Dec 9, 2025
    Route object
    AS3257 GTT Communications Inc.
    NTTCOM route object for AS3257 GTT Communications Inc., maintainer MAINT-NTTCOM-BB
    206.239.128.0/17
  14. Dec 9, 2025
    Route object
    AS6079 RCN
    NTTCOM route object for AS6079 RCN, maintainer MAINT-NTTCOM-BB
    206.239.128.0/17
  15. Dec 9, 2025
    Route object
    AS7029 Windstream Communications LLC
    NTTCOM route object for AS7029 Windstream Communications LLC, maintainer MAINT-NTTCOM-BB
    206.239.128.0/17
  16. Dec 9, 2025
    Route object
    AS7843 Charter Communications Inc
    NTTCOM route object for AS7843 Charter Communications Inc, maintainer MAINT-NTTCOM-BB
    206.239.128.0/17
  17. Dec 9, 2025
    Route object
    AS11404 Wave Broadband
    NTTCOM route object for AS11404 Wave Broadband, maintainer MAINT-NTTCOM-BB
    206.239.128.0/17
  18. Dec 9, 2025
    Route object
    AS201115 Pylon One Ltd
    NTTCOM route object for AS201115 Pylon One Ltd, maintainer MAINT-NTTCOM-BB
    206.239.128.0/17
  19. Sep 9, 2026
    Route object
    AS148996 Global Communication Network Limited
    NTTCOM route object for AS148996 Global Communication Network Limited, maintainer MAINT-NTTCOM-RA
    206.239.0.0/22
  20. Sep 9, 2026
    Route object
    AS152179 Global Communication Network Limited
    NTTCOM route object for AS152179 Global Communication Network Limited, maintainer MAINT-NTTCOM-RA
    206.239.0.0/22
  21. Sep 9, 2026
    Route object
    AS207550 Oclayer Limited
    NTTCOM route object for AS207550 Oclayer Limited, maintainer MAINT-NTTCOM-RA
    206.239.0.0/22
  22. Sep 9, 2026
    Route object
    AS214432 Zhilian Technology CO., LTD.
    NTTCOM route object for AS214432 Zhilian Technology CO., LTD., maintainer MAINT-NTTCOM-RA
    206.239.0.0/22

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

PrefixOriginTypeLeased fromHolderRPKI
206.239.64.0/20
since Dec 2025
AS6079ISP proxyIP broker RackdogNTT America, Inc.
206.239.80.0/20
since Dec 2025
AS6079ISP proxyIP broker RackdogNTT America, Inc.
206.239.96.0/20
since Dec 2025
AS6079ISP proxyIP broker RackdogNTT America, Inc.
206.239.112.0/20
since Dec 2025
AS6079ISP proxyIP broker RackdogNTT America, Inc.
206.239.128.0/20
since Dec 2025
AS6079ISP proxyIP broker RackdogNTT America, Inc.
206.239.144.0/20
since Dec 2025
AS6079ISP proxyIP broker RackdogNTT America, Inc.
206.239.160.0/20
since Dec 2025
AS6079ISP proxyIP broker RackdogNTT America, Inc.
206.239.176.0/20
since Dec 2025
AS6079ISP proxyIP broker RackdogNTT America, Inc.
206.239.192.0/20
since Dec 2025
AS6079ISP proxyIP broker RackdogNTT America, Inc.
206.239.208.0/20
since Dec 2025
AS6079ISP proxyIP broker RackdogNTT America, Inc.
206.239.224.0/20
since Dec 2025
AS6079ISP proxyIP broker RackdogNTT America, Inc.
206.239.240.0/20
since Dec 2025
AS6079ISP proxyIP broker RackdogNTT America, Inc.

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
206.239.0.0/1665,536NTTA-206-239NTT America, Inc. (NTTAM-1) · USDirect AllocationNov 13, 1995[email protected]
└ 206.239.64.0/1816,384RCN-206-239-64RCN (C11598246) · USReassignedMay 19, 2026[email protected]
via NTTA-206-239

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

65,536 addresses
TypeAddressesShareRanges
ISP proxyanonymizer49,92076%15
Internet provider15,61624%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS2914

US
Name
NTT America, Inc.
Type
Internet provider
Registered
Dec 7, 1998
Domain
ntt.net
Website
www.gin.ntt.net/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed