Japan Registry Services Co., Ltd.
AS131905 is Japan Registry Services Co., Ltd. (jprs.co.jp). It announces 1,024 IPv4 addresses in 3 prefixes, and 1 IPv6 prefix.
Japan· APNIC· allocated 2011-08-04· Business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Japan1,024 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- JPRS-GTLD
- name
- Japan Registry Services Co., Ltd.
- country
- JP
- source
- jpnic
- updated
- 2025-08-14
- descr
- Japan Registry Services Co., Ltd.
- admin
- JP00275301
- tech
- JP00275301
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
- None here
- None here
- None here
- 0.29%
- 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 |
|---|---|---|---|---|
| 103.198.208.0/23 | Japan | Not found | 17 | 2026-10-02 |
| 103.198.210.0/24 | Japan | Not found | 17 | 2026-10-02 |
| 219.100.72.0/24 | Japan | Not found | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2403:2880::/32 | Japan | Not found | 19 | 2026-10-02 |
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