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AS131679 CORE WINNER CO.,LIMITED TAIWAN BRANCH

Taiwan COREWINNER-AS-TW APNIC 4 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
1,024
IPv6 /48 networks
0
RPKI
4 valid0 no ROA
Peers and downstreams
0

Holder

AS name
COREWINNER-AS-TW
Description
CORE WINNER CO.,LIMITED TAIWAN BRANCH 2F.-2, No. 408, Ruiguang Rd., Neihu Dist. Taipei City 114, Taiwan (R.O.C.)
Organisation
CORE WINNER CO.,LIMITED TAIWAN BRANCH
Abuse contact
Not published
Assigned
2011-07-20
Registered
2025-10-16
Record last changed
2025-10-16 02:58 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS3491 PCCW Global (HK) Ltd. AS3491 · HK PCCW Global (HK) Ltd. AS134823 Sky Digital Co., Ltd. AS134823 · TW Sky Digital Co., Ltd. AS131679 CORE WINNER CO.,LIMITED TAIWAN BRANCH AS131679 · TW CORE WINNER CO.,LIMIT…

Network health

Grade C · 70/100
pass Prefixes covered by valid ROAs
4 of 4 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
fail Announces IPv6
No IPv6 prefixes are announced.		 0/15
partly More than one upstream
1 upstream seen in BGP.		 5/10
pass Working abuse contact
op@corewinner.com is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
pass Registry record maintained
Last changed 2025-10-16.		 5/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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AS131679 health AS131679 RPKI
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<a href="https://ip-fd.net/asn/131679"><img src="https://ip-fd.net/badge/asn/131679/health.svg" alt="AS131679 network health on IP-FD.net"></a>
Markdown
[![AS131679 network health](https://ip-fd.net/badge/asn/131679/health.svg)](https://ip-fd.net/asn/131679)
Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days
No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS131679
as-name:        COREWINNER-AS-TW
handle:         AS131679
remarks:        CORE WINNER CO.,LIMITED TAIWAN BRANCH
remarks:        2F.-2, No. 408, Ruiguang Rd., Neihu Dist.
remarks:        Taipei City 114, Taiwan (R.O.C.)
administrative: SKY17-AP (Shih Kuan Yeh) <ysk@corewinner.com>
abuse:          IRT-CWTW-TW (IRT-CWTW-TW) <op@corewinner.com>
technical:      CYW27-AP (Chen Yi Wu) <op@corewinner.com>
registration:   2025-10-16T02:58:09Z
last changed:   2025-10-16T02:58:09Z
source:         APNIC (RDAP)