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Data as of Nov 8, 2026

198.66.64.0/19

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 Feb 11, 1993
2 · Leased from
Rackdog
for its owner NTT America, Inc.
3 · Announced by
AS6079 RCN
since Nov 2024 · 24 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 198.66.64.0/19/24s
Rackdog
8,192100%
32
Leased from

Owners leasing their own space

NameIn 198.66.64.0/19/24s
NTT America, Inc.
8,192100%
32

Lineage

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

198.66.64.0/19

From the registry to its use

  1. Feb 11, 1993
    Registry record
    NTT America, Inc.
    Direct Allocation (legacy, pre-1997)
    198.63.0.0 - 198.66.255.255
  2. May 9, 2005– Jun 27, 2016
    Announced
    AS2914 NTT America, Inc.
    as part of 198.66.0.0/16
    198.66.0.0/16
  3. Jul 22, 2005– Feb 8, 2009
    Announced
    AS11025 Comcast Cable Communications, LLC
  4. Jul 15, 2009– Jul 22, 2009
    Announced
    AS6517 LAKENETWORKS
    Hosting
  5. Oct 2, 2016– today
    Announced
    AS2914 NTT America, Inc.
    as part of 198.66.0.0/16
    198.66.0.0/16
  6. Nov 13, 2024– today
    Announced
    AS6079 RCN
    Internet provider
  7. Nov 19, 2024
    Route object
    Rackdog
    RADB route object for AS6079 RCN, maintainer MAINT-AS398465
  8. Nov 19, 2024
    Route object
    Rackdog
    RADB route object for AS11404 Wave Broadband, maintainer MAINT-AS398465
  9. Feb 5, 2025– Apr 5, 2025
    Announced
    AS398465 Rackdog, LLC
    as part of 198.66.0.0/16
    198.66.0.0/16
  10. May 19, 2026
    Assigned
    RCN
    Reassigned
    198.66.0.0/16
  11. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
198.66.0.0/16
since Oct 2016
AS2914ISP proxyIP broker Rackdog1NTT 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
198.63.0.0 - 198.66.255.255262,144NTTA-198-63NTT America, Inc. (NTTAM-1) · USDirect AllocationFeb 11, 1993abuse@ntt.net
└ 198.66.0.0/1665,536RCN-198-66RCN (C11598201) · USReassignedMay 19, 2026abuse@ntt.net
via NTTA-198-63

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
198.63.0.0 - 198.66.255.255
Registration type
Direct Allocation
Record created
Feb 11, 1993
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