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Data as of Nov 7, 2026

16.5.198.0/24

Anonymizer · ISP proxy

Cogent Communications, LLC · space held by Hewlett Packard Enterprise Company

Announcement
this exact prefix
RPKI valid
Announced by
AS174
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Sep 28, 2026
from AS16276 OVH SAS
IPv4 market

Path

Announced by AS174 since Sep 28, 2026 · 6 wk 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
for its owner Hewlett Packard Enterprise Company
3 · Announced by
AS174 Cogent Communications, LLC
since Sep 28, 2026 · 6 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 16.5.198.0/24/24s
IPXO
256100%
1
Leased from

Owners leasing their own space

NameIn 16.5.198.0/24/24s
Hewlett Packard Enterprise Company
256100%
1

Lineage

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

16.5.198.0/24

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– Sep 15, 2026
    Announced
    AS16276 OVH SAS
    Hosting
  4. Jun 29, 2026
    Route object
    IPXO
    ARIN route object for AS16276 OVH SAS, maintainer MNT-DCL-577
  5. Sep 27, 2026
    Assigned
    Internet Utilities NA LLC
    Reassigned
    16.5.198.0/24
  6. Sep 28, 2026– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  7. Sep 29, 2026
    Route object
    IPXO
    RADB route object for AS174 Cogent Communications, LLC, 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
└ 16.5.198.0/24256NET-16-5-198-0-24unknownReassignedSep 27, 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
IPv4 market

Holder

Holder in the market →
Organization
Hewlett Packard Enterprise Company
Handle
HPE-15
Range
16.5.0.0/16
Registration type
Direct Allocation
Record created
May 18, 1989
Legacy
yes
Reallocated to
Internet Utilities NA LLC (DCL-577)
Reallocated
Apr 18, 2026
Origin network

AS174

US
Name
Cogent Communications, LLC
Type
Internet provider
Registered
May 16, 1996
Domain
cogentco.com
Website
www.cogentco.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1,658