Densan Co., Ltd.
AS17955 is Densan Co., Ltd. (avis.ne.jp). It announces 35,328 IPv4 addresses in 11 prefixes, and 1 IPv6 prefixes.
Japan· APNIC· allocated 2001-09-21· isp
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Japan35,328 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- AVISNET
- name
- Densan Co., Ltd.
- country
- JP
- source
- jpnic
- updated
- 2008-08-05
- descr
- Densan Co., Ltd.
- admin
- JP00006149
- tech
- JP00006149
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.
- VPN IP372vpngate1.05%
- anyip, floppydata, jkcl_rabbit0.12%
- None here
- floppydata0.00%
- None here
- None here
- Hosting IP4,60813.04%
- None here
- None here
- None here
- SSH IP380.11%
- SMTP IP600.17%
- 0.08%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 103.152.138.0/23 | Japan | valid | 17 | 2026-10-02 |
| 120.88.16.0/20 | Japan | valid | 17 | 2026-10-02 |
| 120.88.16.0/21 | Japan | valid | 17 | 2026-10-02 |
| 120.88.24.0/21 | Japan | valid | 17 | 2026-10-02 |
| 192.47.64.0/21 | Japan | not found | 17 | 2026-10-02 |
| 202.247.192.0/18 | Japan | valid | 17 | 2026-10-02 |
| 203.223.48.0/20 | Japan | valid | 17 | 2026-10-02 |
| 203.223.48.0/21 | Japan | valid | 17 | 2026-10-02 |
| 203.223.56.0/22 | Japan | valid | 17 | 2026-10-02 |
| 203.223.60.0/22 | Japan | valid | 17 | 2026-10-02 |
| 210.56.160.0/19 | Japan | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2406:8000::/32 | Japan | valid | 20 | 2026-10-02 |
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