asn.dev

Autonomous system

AS131973 JST-Fukuoka

Hosting APNIC Content

IPv4 addresses 0 0 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 0
Exchanges 1 recorded by PCH
Upstreams — not observed
Flagged prefixes 0 none

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

Recorded at 1 exchange in 1 country, largest first.

ExchangeLocationTheir address
BroadBand Internet eXchange OsakaOsaka, Japan218.100.9.117

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-10, 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 0 prefixes · 0 addresses IPv6 0 prefixes

This network announces no prefixes we can see.

Registry

Allocation record

APNIC · via Atlas (registry + RDAP)
Registry
APNIC
Handle
AS131973
Registry name
JST-Fukuoka
Abuse contact
hostmaster@nic.ad.jp
Registered
2011-08-04
Last changed
2020-09-11
Allocation
allocated

Declared

PeeringDB profile

self-reported
Name
J-Stream Fukuoka
Also known as
JST-Fukuoka
Network type
Content
Scope
Regional
Traffic ratio
Heavy Outbound
Peering policy
Open
Present at
3 exchanges
Facilities
1 facilities
Website
https://www.stream.co.jp/

PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.

Routing security

RPKI and IRR

Full detail
ROAs
2 authorising AS131973
ASPA
no ASPA record
Route objects
0 naming AS131973

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: 431 networks and 1,775 prefixes, as published 2026-10-11. 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