AS18094 Tokyo Cable Network.,INC

Japan TCN APNIC 6 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
22,016
IPv6 /48 networks
0
RPKI
6 valid0 no ROA
Peers and downstreams
11

Holder

AS name
TCN
Description
Tokyo Cable Network.,Inc. 1-3-61 Koraku Bunkyo-ku,Tokyo,Japan
Organisation
Tokyo Cable Network.,INC
Abuse contact
Not published
Assigned
2001-12-26
Record last changed
2006-05-16 00:26 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 70/100
pass Prefixes covered by valid ROAs
6 of 6 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
pass More than one upstream
3 upstreams seen in BGP.
10/10
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 2006-05-16.
0/5

Routing changes

Last 30 days
2026-10-04 11:19 UTCRelationship changed AS8966 upstream to peer
2026-10-04 11:19 UTCRelationship changed AS8220 upstream to peer
2026-10-04 11:19 UTCRelationship changed AS20485 upstream to peer

WHOIS

aut-num:        AS18094
as-name:        TCN-AS
handle:         AS18094
remarks:        Tokyo Cable Network.,INC
technical:      HG287JP
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
administrative: SI608JP
last changed:   2006-05-16T00:26:03Z
source:         APNIC (RDAP)