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Data as of Nov 3, 2026

207.71.88.0/21

Anonymizer · ISP proxy2 residential-proxy exits · 30 days

Level 3 Parent, LLC · space held by NTT America, Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS10753
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Oct 10, 2026
its first announcement on record

Residential-proxy exits

Proxy exits
2
0.10% of its addresses · 30 days
Spread
1 of 8
/24s with at least one exit
Providers
5
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

1.2K observations

Proxy providers listing exits

  • DataImpulse
  • FuseProxy
  • PacketStream
  • ProxyRack
  • Q2IP
IPv4 market

Path

Announced by AS10753 since Oct 10, 2026 · 3 wk ago
1 · Holder
NTT America, Inc.
record created Mar 18, 1996
2 · Leased from
Rackdog
for its owner NTT America, Inc.
3 · Announced by
AS10753 Level 3 Parent, LLC
since Oct 10, 2026 · 3 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 207.71.88.0/21/24s
Rackdog
2,048100%
8
Leased from

Owners leasing their own space

NameIn 207.71.88.0/21/24s
NTT America, Inc.
2,048100%
8

Lineage

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

207.71.88.0/21

From the registry to its use

  1. Mar 18, 1996
    Registry record
    NTT America, Inc.
    Direct Allocation (legacy, pre-1997)
    207.71.64.0/18
  2. May 9, 2005– Jun 27, 2016
    Announced
    AS2914 NTT America, Inc.
    as part of 207.71.64.0/18
    207.71.64.0/18
  3. Aug 15, 2016– Nov 2, 2026
    Announced
    AS2914 NTT America, Inc.
    as part of 207.71.64.0/18
    207.71.64.0/18
  4. Oct 8, 2026
    Assigned
    RCN
    Reassigned
    207.71.88.0/21
  5. Oct 10, 2026– Nov 2, 2026
    Announced
    AS10753 Level 3 Parent, LLC
    Internet provider

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesProxy exitsHolderRPKI
207.71.64.0/18
since Aug 2016
AS2914Internet provider5123.1%ISP proxy2NTT 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
207.71.64.0/1816,384NTTA-207-71-64NTT America, Inc. (NTTAM-1) · USDirect AllocationMar 18, 1996[email protected]
└ 207.71.88.0/212,048RCN-207-71-88RCN (C11732750) · USReassignedOct 8, 2026[email protected]
via NTTA-207-71-64

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
207.71.64.0/18
Registration type
Direct Allocation
Record created
Mar 18, 1996
Legacy
yes
Origin network

AS10753

US
Name
Level 3 Parent, LLC
Type
Internet provider
Registered
Nov 18, 1997
Domain
level3.com
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed