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AS17957 SOUTH TOKYO CABLETELEVISION

Japan STC APNIC 6 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
19,456
IPv6 /48 networks
0
RPKI
0 valid6 no ROA
Peers and downstreams
0

Holder

AS name
STC
Description
SOUTH TOKYO CABLE TELEVISION Togosidai bldg7F 1-7-20 Togosi,Sinagawa-ku Tokyo 142-0041,Japan
Organisation
SOUTH TOKYO CABLETELEVISION
Abuse contact
Not published
Assigned
2001-09-20
Record last changed
2005-12-20 00:58 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS8220 COLT Technology Services Group Limited AS8220 · GB COLT Technology Servi… AS2914 NTT America, Inc. AS2914 · US NTT America, Inc. AS20485 Joint Stock Company TransTeleCom AS20485 · RU Joint Stock Company T… AS9365 its communications Inc. AS9365 · JP its communications In… AS17957 SOUTH TOKYO CABLETELEVISION AS17957 · JP SOUTH TOKYO CABLETELE…

Network health

Grade E · 40/100
fail Prefixes covered by valid ROAs
0 of 6 announced prefixes are RPKI valid, 6 have no ROA.		 0/25
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
hostmaster@nic.ad.jp 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
fail Registry record maintained
Last changed 2005-12-20.		 0/5
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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AS17957 health AS17957 RPKI
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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:        AS17957
as-name:        CTS
handle:         AS17957
remarks:        SOUTH TOKYO CABLETELEVISION
administrative: YM7875JP
technical:      MN5333JP
administrative,technical:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
technical:      TK11316JP
last changed:   2005-12-20T00:58:53Z
source:         APNIC (RDAP)