Yahoo Japan
AS24572 is Yahoo Japan (lycorp.co.jp). It announces 118,784 IPv4 addresses in 4 prefixes, and 1 IPv6 prefixes.
Japan· APNIC· allocated 2006-02-27· hosting
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Japan118,784 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- YAHOO-JP-AS-AP
- name
- Yahoo Japan
- org
- ORG-YJ1-AP
- org name
- Yahoo Japan
- org address
- Kioi Tower, Tokyo Garden Terrace Kioicho, 1-3 Kioicho
- org country
- JP
- country
- JP
- source
- apnic
- updated
- 2021-05-18
- descr
- Yahoo Japan
- maintainer
- APNIC-HM
- maintainer email
- helpdesk@apnic.net
- abuse
- AY448-AP
- abuse name
- ABUSE YAHOOJP
- abuse email
- ml-nwunit-bbnw@lycorp.co.jp
- abuse kind
- role
- admin
- YJ982-AP
- admin name
- YAHOO JAPAN
- admin email
- route-admin@mail.yahoo.co.jp
- admin phone
- +81-3-6898-6280
- admin kind
- role
- admin country
- JP
- tech
- YJ982-AP
- tech name
- YAHOO JAPAN
- tech email
- route-admin@mail.yahoo.co.jp
- tech phone
- +81-3-6898-6280
- 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.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.01%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 114.110.48.0/20 | Japan | valid | 17 | 2026-10-02 |
| 114.111.64.0/18 | Japan | valid | 17 | 2026-10-02 |
| 124.83.128.0/17 | Japan | valid | 17 | 2026-10-02 |
| 183.79.0.0/16 | Japan | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2400:7e00::/32 | Japan | valid | 20 | 2026-10-02 |
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