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Data as of Nov 7, 2026

89.30.184.0/23

Anonymizer · ISP proxy

Korea Telecom · space held by WorldStream B.V.

Announcement
this exact prefix
RPKI valid
Announced by
AS4766
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Sep 28, 2026
its first announcement on record
IPv4 market

Path

Announced by AS4766 since Sep 28, 2026 · 6 wk ago
1 · Holder
WorldStream B.V.
record created May 27, 2026
2 · Leased from
IPXO
for its owner WorldStream B.V.
3 · Announced by
AS4766 Korea Telecom
since Sep 28, 2026 · 6 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 89.30.184.0/23/24s
IPXO
512100%
2
Leased from

Owners leasing their own space

NameIn 89.30.184.0/23/24s
WorldStream B.V.
512100%
2

Lineage

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

89.30.184.0/23

From the registry to its use

  1. May 27, 2026
    Registry record
    WorldStream B.V.
    ALLOCATED PA
    89.30.128.0 - 89.30.231.255
  2. Jun 18, 2026
    Reallocated
    WorldStream B.V.
    SUB-ALLOCATED PA
    89.30.176.0/20
  3. Sep 25, 2026
    Route object
    AS4766 Korea Telecom
    RIPE route object for AS4766 Korea Telecom, maintainer MNT-WORLDSTREAM
  4. Sep 28, 2026– today
    Announced
    AS4766 Korea Telecom
    Internet provider
  5. Sep 29, 2026
    Route object
    IPXO
    RADB route object for AS4766 Korea Telecom, maintainer MAINT-AS834
  6. today
    Leased from
    IPXO
    IP broker

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
89.30.128.0 - 89.30.231.25526,624NL-WORLDSTREAM-20060901WorldStream B.V. (ORG-WA106-RIPE) · NLALLOCATED PAMay 27, 2026abuse@worldstream.nl
└ 89.30.176.0/204,096NET_89301760WorldStream B.V. (ORG-WA106-RIPE) · NLSUB-ALLOCATED PAJun 18, 2026report@abuseradar.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
WorldStream B.V.
Handle
ORG-WA106-RIPE
Range
89.30.128.0 - 89.30.231.255
Registration type
ALLOCATED PA
Record created
May 27, 2026
Origin network

AS4766

KR
Name
Korea Telecom
Type
Internet provider
Registered
Apr 22, 1996
Domain
kt.com
Website
www.kt.com/eng/main.jsp
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1