Home Prefix Lookup2a12:a300::/29

2a12:a300::/29 - BGP Prefix

IPv6RIPE NCCallocated RPKI Valid

CIDR

2a12:a300::/29

IP Version

IPv6

Addresses

633825.3Y

Mask

/29

Country

🇯🇵 Japan

City

Tokyo

RIR

RIPE NCC

Status

allocated

Allocated

2021-11-15

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

15 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2a12:a300::/32	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a301::/32	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a302::/32	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a303:1::/48	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a303:100::/40	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a303:100::/48	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a303:101::/48	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a303:102::/48	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a303:103::/48	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a303:11a::/48	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a303:11e::/48	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a304::/32	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a305::/32	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a306::/32	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11
2a12:a307::/32	AS3258 XTOM-JAPAN xTom Japan Corporation	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2a12:a300::/29	AS949	/48	ripe
2a12:a300::/29	AS3204	/48	ripe
2a12:a300::/29	AS3214	/48	ripe
2a12:a300::/29	AS3258	/48	ripe
2a12:a300::/29	AS4785	/128	ripe
2a12:a300::/29	AS6233	/48	ripe
2a12:a300::/29	AS8888	/48	ripe
2a12:a300::/29	AS9312	/48	ripe
2a12:a300::/29	AS23748	/128	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS3258	Other IRR	MAINT-AS9312	2026-07-02
AS3204	Other IRR	MAINT-AS9312	2026-07-02
AS4785	Other IRR	MAINT-AS9312	2026-07-02
AS3214	Other IRR	MAINT-AS9312	2026-07-02
AS6233	Other IRR	MAINT-AS9312	2026-07-02
AS8888	Other IRR	MAINT-AS9312	2026-07-02
AS9312	Other IRR	MAINT-AS9312	2026-07-02
AS23748	Other IRR	MAINT-AS9312	2023-11-13
AS949	Other IRR	MAINT-AS9312	2026-07-02
AS6233	RIPE	xtom	2026-07-02
AS3204	RIPE	xtom	2026-07-02
AS949	RIPE	xtom	2026-07-02
AS4785	RIPE	xtom	2026-07-02
AS3258	RIPE	xtom	2024-01-03
AS8888	RIPE	xtom	2026-07-02
AS9312	RIPE	xtom	2026-07-02
AS3214	RIPE	xtom	2026-07-02

More Specific Prefixes

Prefix	AS	Country	Status
2a12:a300::/32	AS3258	🇯🇵JP	assigned

Transfer History

Registry transfers of 2a12:a300::/29, blocks inside it, or blocks containing it.

2a12:a300::/29Transfer · 2023-12-28
Cat Networks K.K.
RIPE NCC
→
xTom Japan Co., Ltd.
RIPE NCC

Date	Resource	From	To	Type
2023-12-28	2a12:a300::/29	Cat Networks K.K. RIPE NCC	xTom Japan Co., Ltd. RIPE NCC	Transfer

Geolocation

Country🇯🇵JapanJP

CityTokyo

Coordinates35.6730, 139.7950 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/2a12:a300::/29

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/2a12:a300::/29" | jq

External Links

RIPEstat