Data as of Nov 11, 2026

154.30.4.0/24

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 Dec 14, 2023
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 154.30.4.0/24/24s
Aventice
256100%
1
Leased from

Owners leasing their own space

NameIn 154.30.4.0/24/24s
Cogent Communications, LLC
256100%
1

Lineage

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

154.30.4.0/24

From the registry to its use

  1. Feb 5, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    154.30.0.0/16
  2. Sep 15, 2006– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 154.24.0.0/13
    154.24.0.0/13
  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. Dec 14, 2023
    Reallocated
    Tier.Net Technologies LLC
    Reallocated
    154.30.4.0/24
  6. today
    Leased from
    Aventice
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromProxy exitsRPKI
154.24.0.0/13
since Sep 2006
AS174Internet provider12,0322.3%ISP proxyProxy providerssold by OxylabsIP broker Aventice (part), Rackdog (part)2,806
1,257 always on

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
154.30.0.0/1665,536COGENT-153-30-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com
└ 154.30.0.0/198,192AVENTICE-CGNT-NET-11Aventice LLC (AL-584) · USReallocatedDec 8, 2021abuse@aventice.com
└ 154.30.4.0/24256TTLTier.Net Technologies LLC (TTL-100) · USReallocatedDec 14, 2023abuse-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