Data as of Nov 14, 2026

154.7.253.0/24

No anonymizer space · no proxy exits in 30 days

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

Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium
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
Hosting

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– today
    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

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
154.7.0.0/16
since Dec 2020
AS174Internet providerIP broker Aventice (part), Rackdog (part)182
26 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, 1992abuse@cogentco.com
└ 154.7.224.0/198,192AVENTICE-CGNT-NET-2Aventice LLC (AL-584) · USReallocatedDec 8, 2021abuse@aventice.com
└ 154.7.253.0/24256TTL-100Tier.Net Technologies LLC (TTL-100) · USReallocatedOct 28, 2022abuse-team@tier.net

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Dec 2021
Current origin since
Dec 2021 · 4.9 yr
Origin networks
1