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Data as of Nov 8, 2026

204.170.48.0/20

Anonymizer · ISP proxy

Windstream Communications LLC · space held by NTT America, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS7029
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Oct 22, 2026
its first announcement on record
IPv4 market

Path

Announced by AS7029 since Oct 22, 2026 · 2 wk ago
1 · Holder
NTT America, Inc.
record created Oct 13, 1994
2 · Leased from
Rackdog
for its owner NTT America, Inc.
3 · Announced by
AS7029 Windstream Communications LLC
since Oct 22, 2026 · 2 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 204.170.48.0/20/24s
Rackdog
4,096100%
16
Leased from

Owners leasing their own space

NameIn 204.170.48.0/20/24s
NTT America, Inc.
4,096100%
16

Lineage

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

204.170.48.0/20

From the registry to its use

  1. Oct 13, 1994
    Registry record
    NTT America, Inc.
    Direct Allocation (legacy, pre-1997)
    204.170.0.0/15
  2. May 9, 2005– Jun 27, 2016
    Announced
    AS2914 NTT America, Inc.
    as part of 204.170.0.0/15
    204.170.0.0/15
  3. Aug 15, 2016– today
    Announced
    AS2914 NTT America, Inc.
    as part of 204.170.0.0/15
    204.170.0.0/15
  4. Oct 22, 2026– today
    Announced
    AS7029 Windstream Communications LLC
    Internet provider
  5. Oct 30, 2026
    Route object
    AS7029 Windstream Communications LLC
    NTTCOM route object for AS7029 Windstream Communications LLC, maintainer MAINT-NTTCOM-BB
  6. Oct 30, 2026
    Route object
    AS20115 Charter Communications LLC
    NTTCOM route object for AS20115 Charter Communications LLC, maintainer MAINT-NTTCOM-BB
  7. Oct 30, 2026
    Route object
    AS398465 Rackdog, LLC
    NTTCOM route object for AS398465 Rackdog, LLC, maintainer MAINT-NTTCOM-BB
  8. Nov 2, 2026
    Assigned
    RCN
    Reassigned
    204.170.48.0/20

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
204.170.0.0/15
since Aug 2016
AS2914Internet provider5NTT 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
204.170.0.0/15131,072NTTA-204-170NTT America, Inc. (NTTAM-1) · USDirect AllocationOct 13, 1994abuse@ntt.net
└ 204.170.48.0/204,096RCN-204-170-48RCN (C11756228) · USReassignedNov 2, 2026abuse@ntt.net
via NTTA-204-170

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 historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
NTT America, Inc.
Handle
NTTAM-1
Range
204.170.0.0/15
Registration type
Direct Allocation
Record created
Oct 13, 1994
Legacy
yes
Origin network

AS7029

US
Name
Windstream Communications LLC
Type
Internet provider
Registered
Jul 30, 1996
Domain
uniti.com
Website
www.uniti.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed