Autonomous system
AS59094 S2-NET - esu2 Corporation
Unclassified APNIC
Summary
esu2 Corporation
hosting business japan
S2-NET is operated by esu2 Corporation.
What it's used for
- The address space carries static IP assignments for multiple distinct Japanese entities, as evidenced by registrants including Studio Magic Works, Monocolor Inc, AkitaKomachiNet LLC, Goods Corporation, and PILE Co., Ltd.
- The network announces 6144 IPv4 addresses across 6 prefixes with only 2 observed neighbours, indicating a hosting or business access role rather than transit.
- Traffic consists of web and API endpoints for the registered corporate entities, supported by reverse DNS records pointing to
static.dg-ipas.net.
Notable
- Registrants for the announced prefixes are distinct from the AS holder, esu2 Corporation, indicating that the address space is allocated to or leased by various third-party organizations.
- The inventory consists of six /22 blocks, all located in Japan, with no IPv6 prefixes announced.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-11-03, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 6 prefixes · 6.14K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| JP | Japan | 6 |
Registry
Allocation record
- Registry
- APNIC
- Handle
AS59094- Registry name
- S2-NET
- Abuse contact
- hostmaster@nic.ad.jp
- Registered
- 2013-09-09
- Last changed
- 2014-06-11
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 0% valid · 0 valid, 6 with no ROA
- ROAs
- 0 authorising AS59094
- ASPA
- no ASPA record
- IRR
- 0% registered · 0 of 6 announcements 1 other origin
- Route objects
- 0 naming AS59094
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 451 networks and 1,853 prefixes, as published 2026-11-04. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere