Japan HUB and Data Center
AS10209 is Japan HUB and Data Center (synopsys.com). It announces 512 IPv4 addresses in 4 prefixes, and 0 IPv6 prefixes.
Japan· APNIC· allocated 2007-09-25· 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.
- United States512 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- Synopsys-AS-JP-AP
- name
- Synopsys
- org
- ORG-SA28-AP
- org name
- Synopsys
- org address
- Futako Tamagawa Rise Office, 2-21-1 Tamagawa, Setagaya-ku
- org country
- JP
- country
- JP
- source
- apnic
- updated
- 2020-06-22
- descr
- Japan HUB and Data Center / 1-28-1 Ooi, Shinagawa-ku Sumitomo Fudosan Ooimachi Ekimae Bl Tokyo
- remarks
- www.synopsys.com
- maintainer
- APNIC-HM
- maintainer email
- helpdesk@apnic.net
- abuse
- AS2372-AP
- abuse name
- ABUSE SYNOPSYSNONJP
- abuse email
- bent@synopsys.com
- abuse kind
- role
- admin
- BT217-AP
- tech
- BT217-AP
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.
- 0.98%
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP512100.00%
- None here
- None here
- None here
- None here
- 0.20%
- None here
- 0.39%
- Web IP152.93%
- 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 |
|---|---|---|---|---|
| 149.117.1.0/24also AS7809, AS397635 | United States | Not found | 2 | 2026-10-02 |
| 198.182.50.0/23 | United States | Not found | 17 | 2026-10-02 |
| 198.182.50.0/24 | United States | Not found | 17 | 2026-10-02 |
| 198.182.51.0/24 | United States | Not found | 17 | 2026-10-02 |
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