Data as of Nov 3, 2026

154.28.8.0/21

Anonymizer · ISP proxy

Frontier Communications of America, Inc. · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Feb 5, 1992 · reallocated to Server Destroyers LLC Mar 22, 2022
2 · Leased from
its owner, directly
3 · Announced by
AS5650 Frontier Communications of America, Inc.
since Jul 2023 · 3.3 yr ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 154.28.8.0/21/24s
Cogent Communications, LLC
2,048100%
8

Lineage

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

154.28.8.0/21

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. Jun 1, 2019– Nov 15, 2019
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  4. Dec 4, 2020– Jul 7, 2021
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  5. Mar 17, 2022– Jul 21, 2023
    Announced
    AS1239 Cogent Communications, LLC
  6. Mar 22, 2022
    Reallocated
    Server Destroyers LLC
    Reallocated
    154.28.8.0/21
  7. Jul 10, 2023– today
    Announced
    AS5650 Frontier Communications of America, Inc.
    Internet provider
  8. Jul 18, 2023
    Route object
    AS5650 Frontier Communications of America, Inc.
    RADB route object for AS5650 Frontier Communications of America, Inc., maintainer MAINT-AS5650

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromProxy exitsRPKI
154.24.0.0/13
since Sep 2006
AS174Internet provider8,1921.6%ISP proxyProxy providerssold by OxylabsIP broker Aventice (part)2,796
1,334 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, 1992[email protected]
└ 154.28.8.0/212,048NET-154-28-8-0Server Destroyers LLC (SDL-157) · USReallocatedMar 22, 2022[email protected]

Network & registry

IPv4 market

Holder

Organization
Cogent Communications, LLC
Handle
COGC
Range
154.28.0.0/16
Registration type
Direct Allocation
Record created
Feb 5, 1992
Legacy
yes
Reallocated to
Server Destroyers LLC (SDL-157)
Reallocated range
154.28.8.0/21
Reallocated
Mar 22, 2022
Origin network

AS5650

US
Name
Frontier Communications of America, Inc.
Type
Internet provider
Registered
Jul 25, 1995
Domain
verizonbusiness.com
Website
www.frontier.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed