asn.dev

Autonomous system

AS18071 MEI1 Panasonic Information Systems Co., Ltd

Unclassified APNIC

IPv4 addresses 383K 50 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

Panasonic Information Systems

Japan · AI-generated

business corporate japan panasonic

MEI1 is operated by Panasonic Information Systems Co., Ltd.

What it's used for

  • The address space carries corporate infrastructure, evidenced by netnames such as PANA-NET and PANA-NET-CIDR-BLK-JP associated with the registrant IRT-JPNIC-JP.
  • The AS announces 383232 IPv4 addresses across 50 prefixes, while maintaining only 1 observed neighbour, a ratio that indicates an internal corporate estate rather than a transit or access network.

Notable

  • Registrants for the largest prefixes include IRT-JPNIC-JP and Japan Network Information Center, which align with the announcer's identity as a Japanese corporate entity.
  • The address inventory is finely subdivided into multiple /16, /18, /19, /20, and /21 blocks, reflecting site-by-site segmentation typical of a large multinational corporation.

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
AS2497Internet Initiative Japan Inc.2,950

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 50 prefixes · 383K addresses IPv6 0 prefixes

CountryNamePrefixes
JPJapan50

Registry

Allocation record

APNIC · via Atlas (registry + RDAP)
Registry
APNIC
Handle
AS18071
Registry name
MEI1
Abuse contact
hostmaster@nic.ad.jp
Registered
2001-12-27
Last changed
2025-02-04
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 50 valid, 0 with no ROA
ROAs
50 authorising AS18071
ASPA
no ASPA record
IRR
26% registered · 13 of 50 announcements
Route objects
13 naming AS18071

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: 442 networks and 1,781 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