Home ASN LookupAS3258

AS3258 XTOM-JAPAN xTom Japan Corporation

🇯🇵

Org handle: ORG-XJCL1-RIPE

xTom Japan Corporation

RIPE NCCallocated

Announced Prefixes (BGP)

167total

141 IPv426 IPv6

IPv4 Addresses

Allocated (RIR)26,880

Announced (BGP)37,632

IPv6 Addresses

Allocated (RIR)1.5×10²⁹

Announced (BGP)6.3×10²⁹

Prefix Limit (IPv4)

500

Prefix Limit (IPv6)

100

Country

🇯🇵 JP

RIR

RIPE NCC

Status

allocated

Allocated

2011-06-17

Routing hygiene

Score 9/100 · Low risk

RPKI ROA coverage

95.2%

no RPKI invalid prefixes

IRR route objects

100%

no origin mismatches

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 24/100

Routes concentrated on one upstream (87% of routes)

Based on 166 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained

Announced Prefixes

(BGP)167

Prefix	RPKI	IRR	Last Seen
5.253.17.0/24	Valid	Other IRRRIPE	2026-10-27
36.50.84.0/23	Valid	APNICOther IRR	2026-10-27
43.239.249.0/24	Valid	APNICOther IRR	2026-10-27
45.8.112.0/24	Valid	Other IRRRIPE	2026-10-27
45.8.113.0/24	Valid	Other IRRRIPE	2026-10-27
45.8.114.0/24	Valid	Other IRRRIPE	2026-10-27
45.8.222.0/24	Valid	Other IRRRIPE	2026-10-27
45.11.44.0/24	Valid	Other IRRRIPE	2026-10-27
45.11.46.0/24	Valid	Other IRRRIPE	2026-10-27
45.12.89.0/24	Valid	Other IRR	2026-10-27

1-10 of 167

1 / 17

Allocated Prefixes

(RIR)111

Prefix	Country	RIR	Status
36.50.84.0/23	🇸🇬 SG	APNIC	allocated
43.239.249.0/24	🇺🇸 US	APNIC	allocated
45.8.112.0/24	🇯🇵 JP	RIPE	assigned
45.8.113.0/24	🇯🇵 JP	RIPE	assigned
45.8.114.0/24	🇯🇵 JP	RIPE	assigned
45.8.222.0/24	🇯🇵 JP	RIPE	assigned
45.11.44.0/24	🇯🇵 JP	RIPE	assigned
45.11.46.0/24	🇯🇵 JP	RIPE	assigned
45.12.89.0/24	🇯🇵 JP	RIPE	assigned
45.14.70.0/24	🇯🇵 JP	RIPE	assigned

1-10 of 111

1 / 12

All 167 announced prefixes of AS3258 →

BGP Neighbours

(seen in AS paths)

Upstreams (3)

Networks AS3258 hands its own prefixes to: transit providers, or peers at an exchange.

AS137409GSL Networks Pty144
AS2497Internet Initiative Japan18
AS17676SoftBank4

Downstreams (4)

Networks whose own prefixes AS3258 passes on: usually its customers.

AS25820IT7 Networks9
AS24013SB Professional Services4
AS215871XTOM JP XTom Japan Corporation3
AS400506Black Apple2

Other adjacent networks (1)

Adjacent to AS3258 in the transit part of AS paths: peers, providers or customers.

AS3204XTOM V PS XTom OU4

Transfer History

Registry transfers of AS3258 between organisations.

AS3258Transfer · 2024-07-10
xTom Pty Ltd
RIPE NCC
→
xTom Japan Co., Ltd.
RIPE NCC
AS3258Transfer · 2022-04-19
SIA Maklaut
RIPE NCC
→
xTom Pty Ltd
RIPE NCC
AS3258Transfer · 2020-04-02
LLC "McLaut-Invest"
RIPE NCC
→
SIA Maklaut
RIPE NCC

Date	Resource	From	To	Type
2024-07-10	AS3258	xTom Pty Ltd RIPE NCC	xTom Japan Co., Ltd. RIPE NCC	Transfer
2022-04-19	AS3258	SIA Maklaut RIPE NCC	xTom Pty Ltd RIPE NCC	Transfer
2020-04-02	AS3258	LLC "McLaut-Invest" RIPE NCC	SIA Maklaut RIPE NCC	Transfer

ASPA

No ASPA

Abuse Contact

+31205354444

External Links

RIPE Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS3258 should publish an ASPA object
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/3258

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/3258" | jq