AS146979 University of Nagasaki

Japan SUNDAICHI APNIC 5 IPv4 prefixes 1 IPv6 prefix
IPv4 addresses
1,280
IPv6 /48 networks
1
RPKI
5 valid1 no ROA
Peers and downstreams
10

Holder

AS name
SUNDAICHI
Description
University of Nagasaki 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, JAPAN
Organisation
University of Nagasaki
Abuse contact
Not published
Assigned
2021-08-24
Record last changed
2022-02-02 18:33 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 81/100
partly Prefixes covered by valid ROAs
5 of 6 announced prefixes are RPKI valid, 1 have no ROA.
21/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.
10/10
pass Announces IPv6
1 IPv6 prefix.
15/15
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 2022-02-02.
0/5

Routing changes

Last 30 days
2026-10-04 16:58 UTCRelationship changed AS8966 upstream to peer
2026-10-04 16:58 UTCRelationship changed AS20485 upstream to peer

WHOIS

aut-num:        AS146979
as-name:        SUNDAICHI
handle:         AS146979
remarks:        University of Nagasaki
technical,administrative:JP00223752
technical,administrative:JNIC1-AP (Japan Network Information Center) <hostmaster@nic.ad.jp>
abuse:          IRT-JPNIC-JP (IRT-JPNIC-JP) <hostmaster@nic.ad.jp>
last changed:   2022-02-02T18:33:43Z
source:         APNIC (RDAP)