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AS23781 Toyama University

Japan TYA-NET APNIC 4 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
72,704
IPv6 /48 networks
0
RPKI
0 valid4 no ROA
Peers and downstreams
0

Holder

AS name
TYA-NET
Description
National University Corporation, Toyama University Gofuku 3190, Toyama-shi, Toyama 930, Japan
Organisation
Toyama University
Abuse contact
Not published
Assigned
2003-06-15
Record last changed
2011-03-10 04:44 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS2497 Internet Initiative Japan Inc. AS2497 · JP Internet Initiative J… AS2907 Research Organization of Information and Systems, National Institute of Informatics AS2907 · JP Research Organization… AS23781 Toyama University AS23781 · JP Toyama University

Network health

Grade E · 40/100
fail Prefixes covered by valid ROAs
0 of 4 announced prefixes are RPKI valid, 4 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 2011-03-10.		 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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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:        AS23781
as-name:        Toyama-AN-AS
handle:         AS23781
remarks:        Toyama University
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
technical,administrative:NN1617JP
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
technical:      KO5433JP
last changed:   2011-03-10T04:44:04Z
source:         APNIC (RDAP)