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Data as of Nov 3, 2026

203.74.221.0/24

No anonymizer space · no proxy exits in 30 days

Data Communication Business Group · space held by Taiwan Network Information Center

Announcement
this exact prefix
RPKI valid
Announced by
AS131660
Type
Unknown
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
203.74.0.0/16
since May 2005
AS3462Residential51
7 always on
Taiwan Network Information Center

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
203.72.0.0/14262,144TWNIC-TWTaiwan Network Information CenterALLOCATED PORTABLE—[email protected]
└ 203.74.0.0/1665,536HINET-NETData Communication Business GroupASSIGNED PORTABLE—[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Taiwan Network Information Center
Range
203.72.0.0/14
Registration type
ALLOCATED PORTABLE
Origin network

AS131660

TW
Name
Data Communication Business Group
Registered
Jul 21, 2011
Domain
twnic.tw
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed