Data as of Nov 3, 2026

154.7.253.0/24

Anonymizer · Datacenter proxy

Tier.Net Technologies LLC · reallocated from Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Datacenter proxy
Risk
85 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Feb 5, 1992 · reallocated to Tier.Net Technologies LLC Oct 28, 2022
2 · Leased from
3 · Announced by
AS397423 Tier.Net Technologies LLC
since Dec 2021 · 4.9 yr ago
4 · Use
Datacenter proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 154.7.253.0/24/24s
Aventice
256100%
1
Leased from

Owners leasing their own space

NameIn 154.7.253.0/24/24s
Cogent Communications, LLC
256100%
1

Lineage

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

154.7.253.0/24

From the registry to its use

  1. Feb 5, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    154.7.0.0/16
  2. Dec 4, 2020– Nov 2, 2026
    Announced
    AS174 Cogent Communications, LLC
    as part of 154.7.0.0/16
    154.7.0.0/16
  3. Dec 11, 2021– today
    Announced
    AS397423 Tier.Net Technologies LLC
    Hosting
  4. Dec 16, 2021
    Route object
    AS397423 Tier.Net Technologies LLC
    RADB route object for AS397423 Tier.Net Technologies LLC, maintainer MAINT-AS397423
  5. Oct 28, 2022
    Reallocated
    Tier.Net Technologies LLC
    Reallocated
    154.7.253.0/24
  6. today
    Leased from
    Aventice
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesLeased fromProxy exitsHolderRPKI
154.7.0.0/16
since Dec 2020
AS174Internet provider5,1207.8%ISP proxyIP broker Aventice (part), Rackdog (part)182
31 always on
Cogent Communications, 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
154.7.0.0/1665,536COGENT-154-7-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992[email protected]
└ 154.7.224.0/198,192AVENTICE-CGNT-NET-2Aventice LLC (AL-584) · USReallocatedDec 8, 2021[email protected]
└ 154.7.253.0/24256TTL-100Tier.Net Technologies LLC (TTL-100) · USReallocatedOct 28, 2022[email protected]

Network & registry

IPv4 market

Holder

Organization
Cogent Communications, LLC
Handle
COGC
Range
154.7.0.0/16
Registration type
Direct Allocation
Record created
Feb 5, 1992
Legacy
yes
Reallocated to
Tier.Net Technologies LLC (TTL-100)
Reallocated range
154.7.253.0/24
Reallocated
Oct 28, 2022
Origin network

AS397423

US
Name
Tier.Net Technologies LLC
Type
Hosting
Registered
Mar 26, 2019
Domain
tier.net
Website
www.tier.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
62