AS3258 xTom Japan 🇯🇵 JP

xTom Japan Corporation. Announcing 154 prefixes, seen at the RIS collectors.

IPv4 prefixes
127
34,048 (133 × /24)
IPv6 prefixes
27
8 × /32
Upstreams
3
transit providers observed
Peers
6
settlement-free adjacencies
Downstreams
4
transit customers observed
Customer cone
4
ASes reachable through it

Registry and operator data

AS number
AS3258
Name
xTom Japan
Organisation
xTom Tokyo
Country
🇯🇵 JP
RIR
RIPENCC
Allocated
2011-06-17
Network type
Cable/DSL/ISP
Traffic levels
1-5Tbps
Scope
Asia Pacific
Peering policy
Selective
IRR as-set
AS-XTOM
PeeringDB
net/32145
Exchanges
3
Facilities
9

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

154 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS3209 - AS3353
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:19Z
last-modified:  2018-11-22T15:27:19Z
source:         RIPE

aut-num:        AS3258
as-name:        XTOM-JAPAN
descr:          xTom Japan Corporation
remarks:        ======================
import:         from AS-ANY accept ANY
export:         to AS-ANY announce AS-XTOM
mp-import:      afi ipv6.unicast from AS-ANY accept ANY
mp-export:      afi ipv6.unicast to AS-ANY announce AS-XTOM
remarks:        ========================================================
remarks:        =====          X   X  TTTTT  OOO  M     M          =====
remarks:        =====           X X     T   O   O MM   MM          =====
remarks:        =====            X      T   O   O M M M M          =====
remarks:        =====           X X     T   O   O M  M  M          =====
remarks:        =====          X   X    T    OOO  M     M          =====
remarks:        ========================================================
org:            ORG-XJCL1-RIPE
admin-c:        XJN1-RIPE
tech-c:         XJN1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         xtom
created:        2011-06-17T06:26:36Z
last-modified:  2025-03-31T15:10:36Z
source:         RIPE

organisation:   ORG-XJCL1-RIPE
org-name:       xTom Japan Corporation
country:        JP
reg-nr:         4013301051632
org-type:       LIR
address:        Sumitomo Fudosan Hibiya Building 1F
                2-8-6 Nishi-Shinbashi
address:        105-0003
address:        Minato City, Tokyo
address:        JAPAN
phone:          +81362067194
admin-c:        XJN1-RIPE
tech-c:         XJN1-RIPE
abuse-c:        XJN1-RIPE
mnt-ref:        xtom
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         xtom
created:        2023-12-07T14:30:52Z
last-modified:  2026-05-13T07:09:34Z
source:         RIPE # Filtered

role:           xTom Japan NOC
address:        Sumitomo Fudosan Hibiya Building 1F
address:        2-8-6 Nishi-Shinbashi
address:        105-0003
address:        Minato City, Tokyo
address:        JAPAN
phone:          +81362067194
nic-hdl:        XJN1-RIPE
abuse-mailbox:  abuse@xtom.co.jp
mnt-by:         xtom
created:        2024-01-10T12:19:29Z
last-modified:  2025-03-31T15:06:22Z
source:         RIPE # Filtered