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Data as of Nov 3, 2026

149.18.124.0/24

Anonymizer · ISP proxy

KDDI Corporation · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS2516
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Jan 28, 1992 · reallocated to LogicWeb Inc. Jun 1, 2021
2 · Leased from
Cogent Communications, LLC
its owner, directly
3 · Announced by
AS2516 KDDI Corporation
since Feb 2026 · 8 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

Owners leasing their own space

NameIn 149.18.124.0/24/24s
Cogent Communications, LLC
256100%
1

Lineage

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

149.18.124.0/24

From the registry to its use

  1. Jan 28, 1992
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    149.18.0.0/16
  2. Jun 1, 2021
    Reallocated
    LogicWeb Inc.
    Reallocated
    149.18.0.0/16
  3. Mar 22, 2023
    Assigned
    LogicWeb Inc.
    Reassigned
    149.18.112.0/20
  4. Jan 23, 2026
    Route object
    AS2516 KDDI Corporation
    RADB route object for AS2516 KDDI Corporation, maintainer MAINT-AS64286
  5. Feb 24, 2026– today
    Announced
    AS2516 KDDI Corporation
    Internet provider
  6. Mar 2, 2026
    Route object
    AS2516 KDDI Corporation
    JPIRR route object for AS2516 KDDI Corporation, maintainer MAINT-AS2516

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
149.18.0.0/1665,536COGENT-149-18-16Cogent Communications, LLC (COGC) · USDirect AllocationJan 28, 1992[email protected]
└ 149.18.0.0/1665,536LOGICWEBLogicWeb Inc. (LOGIC-25) · USReallocatedJun 1, 2021[email protected]
└ 149.18.112.0/204,096SPRINTunknownReassignedMar 22, 2023[email protected]
via COGENT-149-18-16

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
149.18.0.0/16
Registration type
Direct Allocation
Record created
Jan 28, 1992
Legacy
yes
Reallocated to
LogicWeb Inc. (LOGIC-25)
Reallocated
Jun 1, 2021
Origin network

AS2516

JP
Name
KDDI Corporation
Type
Internet provider
Registered
Apr 5, 2002
Domain
kddi.com
Website
www.kddi.com/english/index.html
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed