Autonomous system
AS24278 USEN-NET USEN CORPORATION
Hosting APNIC
Summary
USEN Corporation
telecom business japan content
USEN-NET is operated by USEN Corporation, a Japanese telecommunications and broadcasting company.
What it's used for
- The address space carries corporate and content delivery infrastructure, evidenced by reverse DNS entries such as
118x238x144x0.ap118.usen.comand125x63x36x0.rev.usen.com. - With 20,480 IPv4 addresses announced across 2 prefixes and 12 observed neighbours, the ratio suggests a regional content or business network rather than a large-scale residential access provider.
Notable
- Registrants for both announced prefixes are listed as Japan Network Information Center; IRT-JPNIC-JP, which is consistent with the announcer being a Japanese entity.
- The address inventory consists of two distinct IPv4 blocks,
118.238.128.0/18and125.63.32.0/20, both under the netnameUSEN-Corp-CIDR-BLK-JP.
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
Recorded at 1 exchange in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| JPIX Tokyo | Tokyo, Japan | 210.171.224.186 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-13, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 2 prefixes · 20.48K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| JP | Japan | 3 |
Registry
Allocation record
- Registry
- APNIC
- Handle
AS24278- Registry name
- USEN-NET
- Abuse contact
- hostmaster@nic.ad.jp
- Registered
- 2004-10-19
- Last changed
- 2014-12-04
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 3 valid, 0 with no ROA
- ROAs
- 3 authorising AS24278
- ASPA
- no ASPA record
- IRR
- 100% registered · 3 of 3 announcements
- Route objects
- 3 naming AS24278
Reputation
Classification and threat
Hosting Datacenter or cloud provider. Addresses are servers, not people.
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: 436 networks and 1,771 prefixes, as published 2026-10-13. 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