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Data as of Nov 3, 2026

206.239.176.0/20

Anonymizer · ISP proxy

RCN · space held by NTT America, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS6079
Type
ISP proxy
Risk
90 / 100 · Critical
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
AS6079 RCN
since Dec 2025 · 11 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 206.239.176.0/20/24s
Rackdog
4,096100%
16
Leased from

Owners leasing their own space

NameIn 206.239.176.0/20/24s
NTT America, Inc.
4,096100%
16

Lineage

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

206.239.176.0/20

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.
    as part of 206.239.0.0/16
    206.239.0.0/16
  3. Aug 15, 2016– Nov 2, 2026
    Announced
    AS2914 NTT America, Inc.
    as part of 206.239.0.0/16
    206.239.0.0/16
  4. Dec 2, 2025– Nov 2, 2026
    Announced
    AS6079 RCN
    Internet provider
  5. Dec 9, 2025
    Route object
    Rackdog
    RADB route object for AS6079 RCN, maintainer MAINT-AS398465
  6. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesHolderRPKI
206.239.0.0/16
since Aug 2016
AS2914Internet provider7681.2%ISP proxyNTT America, Inc.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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