Data as of Nov 6, 2026

204.0.192.0/20

Anonymizer · ISP proxy

RCN · space held by NTT America, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created May 4, 1994
2 · Leased from
for its owner NTT America, Inc.
3 · Announced by
AS6079 RCN
since Jan 2026 · 10 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 204.0.192.0/20/24s
Rackdog
4,096100%
16
Leased from

Owners leasing their own space

NameIn 204.0.192.0/20/24s
NTT America, Inc.
4,096100%
16

Lineage

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

204.0.192.0/20

From the registry to its use

  1. May 4, 1994
    Registry record
    NTT America, Inc.
    Direct Allocation (legacy, pre-1997)
    204.0.0.0/14
  2. May 9, 2005– Jun 27, 2016
    Announced
    AS2914 NTT America, Inc.
    as part of 204.0.0.0/14
    204.0.0.0/14
  3. Aug 15, 2016– today
    Announced
    AS2914 NTT America, Inc.
    as part of 204.0.0.0/14
    204.0.0.0/14
  4. Jun 5, 2025– Oct 26, 2025
    Announced
    AS6079 RCN
    Internet provider
  5. Jun 14, 2025
    Route object
    Rackdog
    RADB route object for AS6079 RCN, maintainer MAINT-AS398465
  6. Jun 14, 2025
    Route object
    Rackdog
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS398465
  7. Oct 15, 2025– Jan 18, 2026
    Announced
    AS7029 Windstream Communications LLC
    Internet provider
  8. Jan 19, 2026– today
    Announced
    AS6079 RCN
    Internet provider
  9. May 19, 2026
    Assigned
    RCN
    Reassigned
    204.0.128.0/17
  10. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromProxy exitsHolderRPKI
204.0.0.0/14
since Aug 2016
AS2914Internet provider7680.29%ISP proxyProxy providerssold by QuarkIPIP broker ARISK (part)548
90 always on
NTT 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
204.0.0.0/14262,144NTTA-204NTT America, Inc. (NTTAM-1) · USDirect AllocationMay 4, 1994abuse@ntt.net
└ 204.0.128.0/1732,768RCN-204-0-128RCN (C11598209) · USReassignedMay 19, 2026abuse@ntt.net
via NTTA-204

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
NTT America, Inc.
Handle
NTTAM-1
Range
204.0.0.0/14
Registration type
Direct Allocation
Record created
May 4, 1994
Legacy
yes
Origin network

AS6079

US
Name
RCN
Type
Internet provider
Registered
Apr 4, 2001
Domain
astound.com
Website
www.astound.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed