University of Nagasaki
AS146979 is University of Nagasaki (sun.ac.jp). It announces 1,280 IPv4 addresses in 5 prefixes, and 1 IPv6 prefix.
Japan· APNIC· allocated 2021-08-25· education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Japan1,280 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SUNDAICHI
- name
- University of Nagasaki
- country
- JP
- source
- apnic
- updated
- 2024-08-13
- descr
- University of Nagasaki / 1-1-1 Manabino, Nagayo-cho, Nishi-Sonogi-gun, Nagasaki 851-2195, JAPAN
- remarks
- Email address for spam or abuse complaints : kyseisaku7@mz.pref.chiba.lg.jp
- maintainer
- MAINT-JPNIC
- maintainer email
- hostmaster@nic.ad.jp
- abuse email
- hostmaster@nic.ad.jp
- abuse phone
- +81-3-5297-2311
- abuse kind
- irt
- admin
- JNIC1-AP
- admin name
- Japan Network Information Center
- admin email
- hostmaster@nic.ad.jp
- admin phone
- +81-3-5297-2312
- admin kind
- role
- admin country
- JP
- tech
- JNIC1-AP
- tech name
- Japan Network Information Center
- tech email
- hostmaster@nic.ad.jp
- tech phone
- +81-3-5297-2312
- tech kind
- role
- tech country
- JP
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.70%
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP25620.00%
- None here
- None here
- None here
- 0.55%
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 103.180.130.0/24 | Japan | valid | 16 | 2026-10-02 |
| 103.180.131.0/24 | Japan | valid | 16 | 2026-10-02 |
| 202.236.88.0/24 | Japan | valid | 16 | 2026-10-02 |
| 202.236.89.0/24 | Japan | valid | 16 | 2026-10-02 |
| 202.236.90.0/24 | Japan | valid | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2400:5320::/48 | Japan | not found | 19 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.