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Data as of Nov 12, 2026

199.236.80.0/20

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 Apr 18, 1994
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 199.236.80.0/20/24s
Rackdog
4,096100%
16
Leased from

Owners leasing their own space

NameIn 199.236.80.0/20/24s
NTT America, Inc.
4,096100%
16

Lineage

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

199.236.80.0/20

From the registry to its use

  1. Apr 18, 1994
    Registry record
    NTT America, Inc.
    Direct Allocation (legacy, pre-1997)
    199.236.0.0/14
  2. May 9, 2005– Jun 27, 2016
    Announced
    AS2914 NTT America, Inc.
    as part of 199.236.0.0/14
    199.236.0.0/14
  3. Oct 2, 2016– today
    Announced
    AS2914 NTT America, Inc.
    as part of 199.236.0.0/14
    199.236.0.0/14
  4. Dec 2, 2025– today
    Announced
    AS6079 RCN
    Internet provider
  5. Dec 9, 2025
    Route object
    Rackdog
    RADB route object for AS6079 RCN, maintainer MAINT-AS398465
  6. May 19, 2026
    Assigned
    RCN
    Reassigned
    199.236.0.0/16
  7. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromProxy exitsHolderRPKI
199.236.0.0/14
since Oct 2016
AS2914Internet provider8,4483.2%ISP proxyProxy providerssold by Novada, IPDeepIP broker ARISK (part), Rackdog (part)17NTT 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
199.236.0.0/14262,144NTTA-199-236NTT America, Inc. (NTTAM-1) · USDirect AllocationApr 18, 1994abuse@ntt.net
└ 199.236.0.0/1665,536RCN-199-236RCN (C11598221) · USReassignedMay 19, 2026abuse@ntt.net
via NTTA-199-236

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
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Dec 2025
Current origin since
Dec 2025 · 11 mo
Origin networks
1