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Data as of Nov 7, 2026

124.66.221.0/24

Anonymizer · ISP proxy

Extreme Communications Technology Limited · space held by Korea Data

Announcement
this exact prefix
RPKI valid
Announced by
AS202036
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin Jul 2026
from AS38705 Korea Data
IPv4 market

Path

Announced by AS202036 since Jul 2026 · 3 mo ago
1 · Holder
Korea Data
2 · Leased from
ARISK
for its owner Korea Data
3 · Announced by
AS202036 Extreme Communications Technology Limited
since Jul 2026 · 3 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 124.66.221.0/24/24s
ARISK
256100%
1
Leased from

Owners leasing their own space

NameIn 124.66.221.0/24/24s
Korea Data
256100%
1

Lineage

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

124.66.221.0/24

From the registry to its use

  1. Feb 1, 2016– Jan 2, 2020
    Announced
    AS4766 Korea Telecom
    Internet provider
  2. Mar 27, 2020– Jul 24, 2020
    Announced
    AS138195 MOACK.Co.LTD
    Hosting
  3. Sep 11, 2020– Mar 7, 2026
    Announced
    AS21859 Zenlayer Inc
    Hosting
  4. Apr 13, 2026– Jul 17, 2026
    Announced
    AS38705 Korea Data
    Hosting
  5. Jul 30, 2026– today
    Announced
    AS202036 Extreme Communications Technology Limited
    Hosting
  6. today
    Registry record
    Korea Data
    ALLOCATED PORTABLE
    124.66.208.0/20
  7. today
    Route object
    AS202036 Extreme Communications Technology Limited
    APNIC route object for AS202036 Extreme Communications Technology Limited, maintainer MNT-KRNIC-AP
  8. today
    Leased from
    ARISK
    IP broker

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS202036

HK
Name
Extreme Communications Technology Limited
Type
Hosting
Registered
Jan 23, 2026
Domain
extreisp.com
Industry
Software Development
Spamhaus ASN-DROP
not listed