LAYER3 INTEL
Get started
TripwireIntel APIIP IntelPricingBlogDocsContactSign in
Data as of Nov 3, 2026

104.164.72.0/24

Anonymizer · ISP proxy

NTT America, Inc. · space held by EGIHosting

Announcement
this exact prefix
RPKI valid
Announced by
AS2914
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Jul 2026
from AS174 Cogent Communications, LLC
IPv4 market

Path

Announced by AS2914 since Jul 2026 · 3 mo ago
1 · Holder
EGIHosting
record created Jul 22, 2014
2 · Leased from
ARISK
for its owner EGIHosting
3 · Announced by
AS2914 NTT America, Inc.
since Jul 2026 · 3 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 104.164.72.0/24/24s
ARISK
256100%
1
Leased from

Owners leasing their own space

NameIn 104.164.72.0/24/24s
EGIHosting
256100%
1

Lineage

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

104.164.72.0/24

From the registry to its use

  1. Jul 22, 2014
    Registry record
    EGIHosting
    Direct Allocation
    104.164.0.0/15
  2. Aug 1, 2021– Aug 24, 2021
    Announced
    AS18779 EGIHosting
    Hosting
  3. Oct 24, 2021– Nov 16, 2021
    Announced
    AS18779 EGIHosting
    Hosting
  4. Feb 28, 2025
    Assigned
    Arisk Communications inc
    Reassigned
    104.164.72.0/24
  5. Feb 28, 2025
    Route object
    AS174 Cogent Communications, LLC
    RADB route object for AS174 Cogent Communications, LLC, maintainer MAINT-AS18779
  6. Mar 1, 2025– Aug 10, 2026
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  7. Jul 22, 2026
    Route object
    AS174 Cogent Communications, LLC
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-EGNL-1
  8. Jul 22, 2026
    Route object
    AS2914 NTT America, Inc.
    ARIN route object for AS2914 NTT America, Inc., maintainer MNT-EGNL-1
  9. Jul 30, 2026– Nov 2, 2026
    Announced
    AS2914 NTT America, Inc.
    Internet provider
  10. today
    Leased from
    ARISK
    IP broker
  11. today
    Leased from
    EGIHosting
    Lessor

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
104.164.0.0/15131,072EGNL-1EGIHosting (EGNL-1) · USDirect AllocationJul 22, 2014[email protected]
└ 104.164.72.0/24256104-164-72-0-1Arisk Communications inc (C11118616) · USReassignedFeb 28, 2025[email protected]
via EGNL-1

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
EGIHosting
Handle
EGNL-1
Range
104.164.0.0/15
Registration type
Direct Allocation
Record created
Jul 22, 2014
Origin network

AS2914

US
Name
NTT America, Inc.
Type
Internet provider
Registered
Dec 7, 1998
Domain
ntt.net
Website
www.gin.ntt.net/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed