The University of Tokyo Interfaculty Initiative in Information Studies
AS45688 is The University of Tokyo Interfaculty Initiative in Information Studies. It announces 3,592 IPv4 addresses in 7 prefixes, and 0 IPv6 prefixes.
Japan· APNIC· allocated 2009-04-02· 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.
- Japan3,584 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- HGC1
- name
- The University of Tokyo Interfaculty Initiative in Information Studies
- country
- JP
- source
- apnic
- updated
- 2024-08-29
- descr
- The University of Tokyo / 2-11-16,Yayoi,Bunkyo-ku,Tokyo,Japan
- remarks
- Email address for spam or abuse complaints : info@hgc.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.
- 0.14%
- None here
- None here
- None here
- None here
- None here
- Hosting IP2567.13%
- None here
- None here
- None here
- 0.17%
- 0.03%
- 0.06%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 133.69.160.0/22 | Japan | not found | 19 | 2026-10-02 |
| 133.69.167.248/30 | Japan | not found | 1 | 2026-10-02 |
| 133.69.167.252/30 | Japan | not found | 1 | 2026-10-02 |
| 133.69.168.0/22 | Japan | not found | 19 | 2026-10-02 |
| 133.69.172.0/22 | Japan | not found | 19 | 2026-10-02 |
| 133.69.176.0/24 | Japan | not found | 19 | 2026-10-02 |
| 133.69.184.0/24 | Japan | not found | 19 | 2026-10-02 |
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