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AS18182 Sony Network Taiwan Limited

Taiwan SONET-TW APNIC 84 IPv4 prefixes 2 IPv6 prefixes
IPv4 addresses
320,512
IPv6 /48 networks
1,048,576
RPKI
86 valid0 no ROA
Peers and downstreams
6

Holder

AS name
SONET-TW
Description
Sony Network Taiwan Limited 2Fl.,Builiding E, No.19-13 San Chung Road, Taipei 115, Taiwan
Organisation
Sony Network Taiwan Limited
Abuse contact
Not published
Assigned
2002-04-04
Registered
2008-09-04
Record last changed
2025-11-06 09:09 UTC
219.84.0.0/16219.84.0.0/18219.84.0.0/19219.84.128.0/18219.84.128.0/19219.84.160.0/19219.84.162.0/24219.84.192.0/18219.84.192.0/19219.84.224.0/19219.84.32.0/19219.84.64.0/18219.84.64.0/19219.84.96.0/19219.85.0.0/16219.85.0.0/18219.85.0.0/19219.85.128.0/18219.85.128.0/19219.85.160.0/19219.85.192.0/18219.85.192.0/19219.85.224.0/19219.85.32.0/19219.85.64.0/18219.85.64.0/19219.85.96.0/1927.105.0.0/1627.105.0.0/1827.105.0.0/1927.105.128.0/1827.105.128.0/1927.105.160.0/1927.105.192.0/1827.105.192.0/1927.105.209.0/2427.105.210.0/2427.105.211.0/2427.105.212.0/2427.105.213.0/2427.105.214.0/2427.105.215.0/2427.105.216.0/2427.105.217.0/2427.105.220.0/2427.105.224.0/1927.105.32.0/1927.105.64.0/1827.105.64.0/1927.105.95.0/2427.105.96.0/1939.1.80.0/2439.1.84.0/2439.1.88.0/2439.1.92.0/2461.56.128.0/1961.56.128.0/2061.56.128.0/2161.56.136.0/2161.56.144.0/2061.56.144.0/2161.56.152.0/2161.62.0.0/1661.62.0.0/1861.62.0.0/1961.62.128.0/1861.62.128.0/1961.62.160.0/1961.62.192.0/1861.62.192.0/1961.62.224.0/1961.62.32.0/1961.62.64.0/1861.62.64.0/1961.62.96.0/1961.64.128.0/1861.64.128.0/1961.64.160.0/1961.64.192.0/1861.64.192.0/1961.64.224.0/1961.64.64.0/1861.64.64.0/1961.64.96.0/19

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS174 AS174 AS174 AS174 AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS1299 Arelion Sweden AB AS1299 · SE Arelion Sweden AB AS9002 RETN Limited AS9002 · GB RETN Limited AS45474 Nexusguard Pte. Ltd. AS45474 · SG Nexusguard Pte. Ltd. AS9505 Taiwan Internet Gateway AS9505 · TW Taiwan Internet Gatew… AS18182 Sony Network Taiwan Limited AS18182 · TW Sony Network Taiwan L…

Network health

Grade A · 90/100
pass Prefixes covered by valid ROAs
86 of 86 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
2 IPv6 prefixes.		 15/15
pass More than one upstream
2 upstreams seen in BGP.		 10/10
pass Working abuse contact
it_network_team@sonet-tw.net.tw 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 2025-11-06.		 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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Routing changes

Last 30 days
2026-10-04 12:21 UTCRelationship changed AS6939 upstream to peer
2026-10-04 12:21 UTCRelationship changed AS18041 upstream to peer
2026-10-04 12:21 UTCRelationship changed AS17408 upstream to peer

WHOIS

aut-num:        AS18182
as-name:        SONET-TW
handle:         AS18182
remarks:        Sony Network Taiwan Limited
remarks:        2Fl.,Builiding E, No.19-13
remarks:        San Chung Road, Taipei 115,
remarks:        Taiwan
abuse:          IRT-SONET-TW (IRT-SONET-TW) <it_network_team@sonet-tw.net.tw>
technical:      INT3-AP (IT Network Team) <IT_Network_Team@sonet-tw.net.tw>
administrative: BC566-AP (Bobby Chen) <bobby.chen@sonet-tw.net.tw>
registration:   2008-09-04T06:40:32Z
last changed:   2025-11-06T09:09:25Z
source:         APNIC (RDAP)