asn.dev

Autonomous system

AS23818 JETINTERNET JETINTERNET Corporation

Unclassified ARIN

IPv4 addresses 2.30K 5 prefixes
IPv6 prefixes 0 counted as prefixes, not addresses
Countries 1 mostly JP
Exchanges 1 recorded by PCH
Upstreams 5 1 downstream
Flagged prefixes 0 none

Summary

JETINTERNET

Japan · AI-generated

isp residential japan cable

The AS handle JETINTERNET is operated by JETINTERNET Corporation.

What it's used for

  • The address space carries residential and business internet services, evidenced by the reverse DNS entry gw254-kddi.vs.rt.jet.ne.jp and the netname JETINTERNET-CIDR-BLK-JP.
  • The network announces 2304 IPv4 addresses across 5 prefixes and maintains 11 observed neighbours, a ratio consistent with a regional access provider rather than a transit hub.

Notable

  • All registrants are listed as Japan Network Information Center (JPNIC), which is the standard registry for Japanese IP space and aligns with the announcer's identity.
  • The address inventory consists of five IPv4 blocks, including a /22 and four smaller prefixes, with no IPv6 prefixes currently in the inventory.

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

Recorded at 1 exchange in 1 country, largest first.

ExchangeLocationTheir address
BroadBand Internet eXchange TokyoTokyo, Japan101.203.89.151

Transit providers

5 upstream, 1 downstream and 6 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS17676SoftBank Corp.210
AS7529GMO NetIRD, Inc.78
AS6939Hurricane Electric LLC54
AS9002RETN Limited6
AS24482SG.GS6

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-16, 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 5 prefixes · 2.30K addresses IPv6 0 prefixes

CountryNamePrefixes
JPJapan5

Registry

Allocation record

ARIN · via Atlas (registry + RDAP)
Registry
ARIN
Handle
AS23818
Registry name
JETINTERNET
Registered
2003-06-16
Last changed
2011-10-29
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 6 valid, 0 with no ROA
ROAs
8 authorising AS23818
ASPA
no ASPA record
IRR
100% registered · 6 of 6 announcements
Route objects
8 naming AS23818

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 1,783 prefixes, as published 2026-10-17. 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