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Data as of Nov 13, 2026

154.30.34.0/23

256 anonymizer addresses · 50% · ISP proxy

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
ISP proxy
50% of it
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Feb 5, 1992
2 · Leased from
not leased
3 · Announced by
AS174 Cogent Communications, LLC
since Dec 2022 · 3.9 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Lineage

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

154.30.34.0/23

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 16, 2020– May 15, 2022
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  4. Dec 6, 2022– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromProxy exitsRPKI
154.24.0.0/13
since Sep 2006
AS174Internet provider14,0802.7%ISP proxyProxy providerssold by Oxylabs, MyPrivateProxyIP broker Aventice (part), Rackdog (part)2,832
1,258 always on

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

512 addresses
TypeAddressesShareRanges
ISP proxyanonymizer25650%1
Unknown25650%1

Network & registry

AnnouncementRouting historyWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Dec 2020
Current origin since
Dec 2022 · 3.9 yr
Origin networks
1