asn.dev

Autonomous system

AS38642 YOSHIZOU Yoshizou XYZ Solutions

Hosting ARIN

IPv4 addresses 2.05K 1 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly JP
Exchanges 0 recorded by PCH
Upstreams 1 0 downstream
Flagged prefixes 0 none

Summary

Yoshizou XYZ Solutions

Japan · AI-generated

business mobile japan

The AS handle YOSHIZOU is held by Yoshizou XYZ Solutions.

What it's used for

  • The space carries mobile data traffic, indicated by the reverse DNS names 113-029-218-000.v4dns.net and 113-029-219-255.v4dns.net.
  • The network announces 2048 IPv4 addresses across 1 prefix (113.29.216.0/21) with 1 observed neighbour, a ratio consistent with a small access or mobile network.
  • Traffic from this AS consists of mobile subscriber data, as the operator provides mobile services and develops location-based tourism applications for specific Japanese municipalities.

Notable

  • The RDAP registrant for the prefix is Japan Network Information Center (JPNIC), which is the standard registry for Japanese IP space, while the AS holder is Yoshizou XYZ Solutions.
  • The address inventory is a single /21 block, representing a compact and uniform allocation for the operator's mobile network.

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

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

1 upstream, 0 downstream and 1 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS10010TOKAI Communications Corporation59

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-15, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 1 prefixes · 2.05K addresses IPv6 0 prefixes

CountryNamePrefixes
JPJapan1

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS38642
Registry name
YOSHIZOU
Registered
2007-08-20
Last changed
2008-08-05
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
0% valid · 0 valid, 1 with no ROA
ROAs
0 authorising AS38642
ASPA
no ASPA record
IRR
0% registered · 0 of 1 announcements
Route objects
0 naming AS38642

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: 442 networks and 1,782 prefixes, as published 2026-10-16. 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

Cross-check