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Data as of Nov 10, 2026

154.28.78.0/24

Anonymizer · Datacenter proxy

M247 Europe SRL · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS9009
Type
Datacenter proxy
Risk
85 / 100 · Critical
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Feb 5, 1992 · reallocated to Aventice LLC Dec 8, 2021
2 · Leased from
Aventice
for its owner Cogent Communications, LLC
3 · Announced by
AS9009 M247 Europe SRL
since Dec 2022 · 3.9 yr ago
4 · Use
Datacenter proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 154.28.78.0/24/24s
Aventice
256100%
1
Leased from

Owners leasing their own space

NameIn 154.28.78.0/24/24s
Cogent Communications, LLC
256100%
1

Lineage

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

154.28.78.0/24

From the registry to its use

  1. Feb 5, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    154.28.0.0/16
  2. Sep 15, 2006– today
    Announced
    AS174 Cogent Communications, LLC
    as part of 154.24.0.0/13
    154.24.0.0/13
  3. Jul 7, 2019– Sep 4, 2019
    Announced
    AS61317 Hivelocity LLC
    Hosting
  4. Dec 8, 2021
    Reallocated
    Aventice LLC
    Reallocated
    154.28.64.0/18
  5. Jan 28, 2022– Mar 16, 2022
    Announced
    AS11426 Charter Communications Inc
    Internet provider
  6. Mar 29, 2022– May 15, 2022
    Announced
    AS9009 M247 Europe SRL
    Hosting
  7. May 28, 2022– Dec 17, 2022
    Announced
    AS7029 Windstream Communications LLC
    Internet provider
  8. Jun 9, 2022
    Route object
    AS7029 Windstream Communications LLC
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS7029
  9. Dec 30, 2022– today
    Announced
    AS9009 M247 Europe SRL
    Hosting
  10. Mar 21, 2023
    Route object
    AS9009 M247 Europe SRL
    RADB route object for AS9009 M247 Europe SRL, maintainer MAINT-AS9009
  11. Jun 26, 2026
    Route object
    AS11426 Charter Communications Inc
    RADB route object for AS11426 Charter Communications Inc, maintainer MAINT-RR
  12. Jun 26, 2026
    Route object
    AS397373 H4Y Technologies LLC
    RADB route object for AS397373 H4Y Technologies LLC, maintainer MAINT-RR
  13. today
    Leased from
    Aventice
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromProxy exitsRPKI
154.24.0.0/13
since Sep 2006
AS174Internet provider8,4481.6%ISP proxyProxy providerssold by OxylabsIP broker Aventice (part)2,809
1,306 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
154.28.0.0/1665,536COGENT-154-28-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992abuse@cogentco.com
└ 154.28.64.0/1816,384AVENTICE-CGNT-NET-7Aventice LLC (AL-584) · USReallocatedDec 8, 2021abuse@aventice.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Rotating
First seen
Jul 2019
Current origin since
Dec 2022 · 3.9 yr
Origin networks
4
Last change of origin
Dec 2022
Recorded history

History

Handoffs
4