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Data as of Nov 15, 2026

199.74.56.0/21

Anonymizer · ISP proxy

Windstream Communications LLC · space held by Hewlett Packard Enterprise Company

Announcement
this exact prefix
RPKI valid
Announced by
AS7029
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Sep 2026
its first announcement on record
IPv4 market

Path

Announced by AS7029 since Sep 2026 · 10 wk ago
1 · Holder
Hewlett Packard Enterprise Company
record created Feb 17, 1994 · reallocated to Internet Utilities NA LLC May 16, 2026
2 · Leased from
IPXO
for its owner Hewlett Packard Enterprise Company
3 · Announced by
AS7029 Windstream Communications LLC
since Sep 2026 · 10 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 199.74.56.0/21/24s
IPXO
2,048100%
8
Leased from

Owners leasing their own space

NameIn 199.74.56.0/21/24s
Hewlett Packard Enterprise Company
2,048100%
8

Lineage

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

199.74.56.0/21

From the registry to its use

  1. Feb 17, 1994
    Registry record
    Hewlett Packard Enterprise Company
    Direct Allocation (legacy, pre-1997)
    199.74.32.0/19
  2. Aug 1, 2009– Mar 8, 2012
    Announced
    AS32852 Lexington Electric System
    as part of 199.74.32.0/19
    199.74.32.0/19
  3. Oct 17, 2011– May 7, 2019
    Announced
    AS157 Hewlett Packard Enterprise Company
    as part of 199.74.32.0/19
    199.74.32.0/19
  4. May 16, 2026
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    199.74.32.0/19
  5. Jun 24, 2026– Jul 5, 2026
    Announced
    AS11059 Mifflin County Wireless LLC
    as part of 199.74.32.0/19
    199.74.32.0/19
  6. Jun 26, 2026
    Assigned
    Cook Technical Institute
    Reassigned
    199.74.48.0/20
  7. Sep 4, 2026– today
    Announced
    AS7029 Windstream Communications LLC
    as part of 199.74.32.0/19
    199.74.32.0/19
  8. Sep 4, 2026– today
    Announced
    AS7029 Windstream Communications LLC
    Internet provider
  9. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesLeased fromProxy exitsHolderRPKI
199.74.32.0/19
since Sep 2026
AS7029ISP proxy4,09650%IP broker IPXO21
9 always on
Hewlett Packard Enterprise Company
via Internet Utilities NA LLC

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
199.74.32.0/198,192HPE-15Hewlett Packard Enterprise Company (HPE-15) · USDirect AllocationFeb 17, 1994IPv4.notices@hpe.com
└ 199.74.32.0/198,192IPXO-LLCIPXO LLC (IL-845) · USReallocatedApr 10, 2026abuse@ipxo.com
└ 199.74.32.0/198,192NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedMay 16, 2026report@abuseradar.com
└ 199.74.48.0/204,096NET-199-74-48-0-20Cook Technical Institute (C11634199) · USReassignedJun 26, 2026report@abuseradar.com
via HPE-15

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
Sep 2026
Current origin since
Sep 2026 · 2 mo
Origin networks
1