Japan Network Information Center
AS131971 is Japan Network Information Center (nic.ad.jp). It announces 2,048 IPv4 addresses in 5 prefixes, and 7 IPv6 prefixes.
Japan· APNIC· allocated 2011-08-04· 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.
- Japan2,048 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- JPNIC-LAB
- name
- Japan Network Information Center
- country
- JP
- source
- jpnic
- updated
- 2026-06-04
- descr
- Japan Network Information Center
- admin
- JP00000074
- tech
- JP00000074
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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.10%
- None here
- 0.10%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 202.1.208.0/22 | Japan | valid | 16 | 2026-10-02 |
| 202.1.212.0/24 | Japan | valid | 16 | 2026-10-02 |
| 202.1.213.0/24 | Japan | invalid:origin | 3 | 2026-10-02 |
| 202.1.214.0/24 | Japan | not found | 16 | 2026-10-02 |
| 202.1.215.0/24 | Japan | valid | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2407:9900::/36 | Japan | valid | 19 | 2026-10-02 |
| 2407:9900:1000::/36 | Japan | invalid:origin | 6 | 2026-10-02 |
| 2407:9900:2000::/36 | Japan | not found | 19 | 2026-10-02 |
| 2407:9900:3000::/36 | Japan | valid | 19 | 2026-10-02 |
| 2407:9900:4000::/35 | Japan | valid | 19 | 2026-10-02 |
| 2407:9900:6000::/35 | Japan | valid | 19 | 2026-10-02 |
| 2407:9900:8000::/33 | Japan | valid | 19 | 2026-10-02 |
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