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Data as of Nov 9, 2026

123.51.200.0/23

No anonymizer space · no proxy exits in 30 days

New Century InfoComm Tech Co., Ltd.

Announcement

this exact prefix

RPKI valid

Announced by

Type

Residential

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
123.51.192.0/19 since Jan 2014	AS9919	Residential	8 1 always on	New Century InfoComm Tech. Co., Ltd.
123.51.192.0/18 since Nov 2013	AS9919	Residential	73 5 always on	New Century InfoComm Tech. Co., Ltd.
123.51.128.0/17 since Jul 2009	AS9919	Residential	147 9 always on	New Century InfoComm Tech. Co., Ltd.

More specific

Announcements inside

Prefix	Origin	Type	Holder	RPKI
123.51.200.0/24 since Apr 2019	AS9919	Residential	New Century InfoComm Tech. Co., Ltd.

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS9919

TW

Name: New Century InfoComm Tech Co., Ltd.
Type: Internet provider
Registered: Mar 28, 2000
Domain: seed.net.tw
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
123.51.128.0/17	AS4780	/24	APNIC	Another network
123.51.128.0/17	AS9919	/24	APNIC	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS4780 not the origin	RADB	New Century InfoComm Tech Co., Ltd.	MAINT-AS4780	Jun 8, 2026
AS9919	RADB	NCIC route object	MAINT-AS4780	Mar 11, 2026

IRR inside

Route objects inside

Prefix	Origin	Registry	Description	Maintainer	Modified
123.51.201.0/24	AS4780	RADB	New Century InfoComm Tech Co., Ltd.	MAINT-AS4780	Jun 8, 2026
123.51.201.0/24	AS9919	RADB	NCIC route object	MAINT-AS4780	Mar 11, 2026