AS7257 OTO GK
AS7257 (MARU-NET) is registered to OTO GK in JP, through RIPE. It originates 3 prefixes in the global routing table.
Who holds AS7257
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
WHOIS recordRIPE
% This is the RIPE Database query service. % The objects are in RPSL format. % % The RIPE Database is subject to Terms and Conditions. % See https://docs.db.ripe.net/terms-conditions.html % Note: this output has been filtered. % To receive output for a database update, use the "-B" flag. % Information related to 'AS7257 - AS7257' as-block: AS7257 - AS7257 descr: RIPE NCC ASN block remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region. mnt-by: RIPE-NCC-HM-MNT created: 2026-01-26T15:19:27Z last-modified: 2026-01-26T15:19:27Z source: RIPE % Information related to 'AS7257' % Abuse contact for 'AS7257' is 'otoiawase@k.maru.co.jp' aut-num: AS7257 as-name: MARU-NET descr: MARU org: ORG-MARU1-RIPE sponsoring-org: ORG-MBC3-RIPE admin-c: MARU3-RIPE tech-c: MARU3-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: MARU-MNT created: 2026-01-26T15:19:49Z last-modified: 2026-03-03T06:54:52Z source: RIPE organisation: ORG-MARU1-RIPE org-name: OTO GK org-type: OTHER address: 3-39-12 Hatagaya, Shibuya-ku, Tokyo 151-0072 country: JP reg-nr: 8011003022790 abuse-c: MARU3-RIPE mnt-ref: MARU-MNT created: 2025-11-02T19:42:02Z last-modified: 2026-05-13T05:42:22Z source: RIPE # Filtered mnt-by: MARU-MNT role: MARU abuse-mailbox: otoiawase@k.maru.co.jp address: JP nic-hdl: MARU3-RIPE created: 2025-11-02T19:37:37Z last-modified: 2025-12-28T05:10:51Z source: RIPE # Filtered mnt-by: MARU-MNT % This query was served by the RIPE Database Query Service version 1.124.1 (BUSA)
What AS7257 announces
Prefixes originated by AS7257 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
Who AS7257 is reached through
The AS just before AS7257 in the paths our looking glass collectors hold, for 3 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
Provider authorization
AS7257 publishes no ASPA of its own. 1 AS name it as a provider in theirs. Check a path.
The 1 ASes that name AS7257 as a provider
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| RIPE | MARU-NET | RIPE-NCC-END-MNT, MARU-MNT |
Route objects with origin AS7257: RADB 4 · LEVEL3 2