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Data as of Nov 12, 2026

16.5.55.0/24

No anonymizer space · no proxy exits in 30 days

HYW · space held by Hewlett Packard Enterprise Company

Announcement
this exact prefix
RPKI valid
Announced by
AS11421
Type
Unknown
Risk
40 / 100 · Medium
Leased space · Recently moved
Recent change
New origin Aug 2026
from AS207343 Bojing Co., Limited
IPv4 market

Path

Announced by AS11421 since Aug 2026 · 3 mo ago
1 · Holder
Hewlett Packard Enterprise Company
record created May 18, 1989 · reallocated to Internet Utilities NA LLC Apr 18, 2026
2 · Leased from
IPXO
3 · Announced by
AS11421 HYW
since Aug 2026 · 3 mo ago
4 · Use
Unknown

Lineage

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

16.5.55.0/24

From the registry to its use

  1. May 18, 1989
    Registry record
    Hewlett Packard Enterprise Company
    Direct Allocation (legacy, pre-1997)
    16.5.0.0/16
  2. Apr 18, 2026
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    16.5.0.0/16
  3. Jun 24, 2026– Jul 17, 2026
    Announced
    AS207343 Bojing Co., Limited
    Business
  4. Aug 11, 2026– today
    Announced
    AS11421 HYW
    Internet provider
  5. Aug 17, 2026
    Assigned
    Internet Utilities NA LLC
    Reassigned
    16.5.55.0/24
  6. Aug 17, 2026
    Route object
    IPXO
    ARIN route object for AS11421 HYW, maintainer MNT-DCL-577
  7. Aug 18, 2026
    Route object
    IPXO
    RADB route object for AS11421 HYW, maintainer MAINT-AS834
  8. today
    Leased from
    IPXO
    IP broker

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
16.5.0.0/1665,536HPE-15Hewlett Packard Enterprise Company (HPE-15) · USDirect AllocationMay 18, 1989IPv4.notices@hpe.com
└ 16.5.0.0/1665,536IPXO-LLCIPXO LLC (IL-845) · USReallocatedApr 3, 2026abuse@ipxo.com
└ 16.5.0.0/1665,536NETUTILSInternet Utilities NA LLC (DCL-577) · USReallocatedApr 18, 2026report@abuseradar.com
└ 16.5.55.0/24256NET-16-5-55-0-24unknownReassignedAug 17, 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

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Jun 2026
Current origin since
Aug 2026 · 3 mo
Origin networks
2
Last change of origin
Aug 2026
Recorded history

History

Handoffs
1