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AS55390 Tokyo University of Science

Japan TUSNET APNIC 3 IPv4 prefixes 1 IPv6 prefix
IPv4 addresses
65,536
IPv6 /48 networks
1
RPKI
0 valid4 no ROA
Peers and downstreams
1

Holder

AS name
TUSNET
Description
Tokyo University of Science
Organisation
Tokyo University of Science
Abuse contact
Not published
Assigned
2010-01-17
Record last changed
2022-05-11 18:08 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… AS55390 Tokyo University of Science AS55390 · JP Tokyo University of S…

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
pass Announces IPv6
1 IPv6 prefix.		 15/15
partly More than one upstream
1 upstream seen in BGP.		 5/10
fail Working abuse contact
No abuse contact is published in the registry.		 0/15
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 2022-05-11.		 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:        AS55390
as-name:        TUSNET
handle:         AS55390
remarks:        Tokyo University of Science
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
technical,administrative:JP00062012
last changed:   2022-05-11T18:08:03Z
source:         APNIC (RDAP)