NIKKEI ADVANCED SYSTEMS INC.
AS17937 is NIKKEI ADVANCED SYSTEMS INC.. It announces 5,376 IPv4 addresses in 3 prefixes, and 1 IPv6 prefixes.
Japan· APNIC· allocated 2001-09-21· 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.
- Japan5,376 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- NAS
- name
- NIKKEI ADVANCED SYSTEMS INC.
- country
- JP
- source
- apnic
- updated
- 2024-08-22
- descr
- NIKKEI ADVANCED SYSTEMS INC. / Minamisuna 5-8-1,Koto-ku,Tokyo136-0076,Japan
- remarks
- Email address for spam or abuse complaints : hostmaster@nasnet.co.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.
- 0.02%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.02%
- 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 |
|---|---|---|---|---|
| 115.187.92.0/22 | Japan | not found | 17 | 2026-10-02 |
| 202.26.187.0/24 | Japan | not found | 17 | 2026-10-02 |
| 218.216.16.0/20 | Japan | not found | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2404:cb00::/32 | Japan | not found | 20 | 2026-10-02 |
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