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AS131624 AMATECH

Taiwan DOWTEK-AS-TW APNIC 0 IPv4 prefixes 1 IPv6 prefix
IPv4 addresses
0
IPv6 /48 networks
1
RPKI
1 valid0 no ROA
Peers and downstreams
0

Holder

AS name
DOWTEK-AS-TW
Description
Dowtek Corporation 13F.-2, No. 910, Sec. 2, Taiwan Blvd., Xitun Dist., Taichung City, Taiwan (R.O.C.) Taichung
Organisation
AMATECH
Abuse contact
Not published
Assigned
2011-07-20
Registered
2026-07-17
Record last changed
2026-07-23 12:21 UTC
None announced.

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS20473 The Constant Company, LLC AS20473 · US The Constant Company,… AS17408 AboveNet Communications Taiwan AS17408 · TW AboveNet Communicatio… AS32595 Liberally Network, LLC AS32595 · US Liberally Network, LLC AS131630 Lazco Corporation AS131630 · TW Lazco Corporation AS131624 AMATECH AS131624 · TW AMATECH

Network health

Grade B · 85/100
pass Prefixes covered by valid ROAs
1 of 1 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
1 IPv6 prefix.		 15/15
partly More than one upstream
1 upstream seen in BGP.		 5/10
pass Working abuse contact
haco.tw@gmail.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 2026-07-23.		 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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AS131624 health AS131624 RPKI
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Markdown
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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:        AS131624
as-name:        DOWTEK-AS-TW
handle:         AS131624
remarks:        Dowtek Corporation
remarks:        13F.-2, No. 910, Sec. 2, Taiwan Blvd., Xitun Dist., Taichung City, Taiwan (R.O.C.)
remarks:        Taichung
remarks:        (oid:DOWTEK)
abuse:          IRT-DOWTEK-TW (IRT-DOWTEK-TW) <haco.tw@gmail.com>
technical,administrative:TR672-AP (TWNIC ROLE-DOWTEK) <haco.tw@gmail.com>
registration:   2026-07-17T03:54:27Z
last changed:   2026-07-23T12:21:53Z
source:         APNIC (RDAP)