Home Prefix Lookup183.181.104.0/21

183.181.104.0/21 - FBDC FreeBit (AS10013)

IPv4APNICallocatedAS10013FBDC FreeBit Co.,Ltd. RPKI Valid

CIDR

183.181.104.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇯🇵 Japan

City

Chiyoda City

RIR

APNIC

Status

allocated

Allocated

2009-12-01

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
183.181.104.0/21	AS10013 FBDC FreeBit Co.,Ltd.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
183.181.104.0/21	AS10013	/21	apnic

Transfer History

Registry transfers of 183.181.104.0/21, blocks inside it, or blocks containing it.

183.181.104.0/21Transfer · 2015-04-02
Japan Network Information Center/dti
🇯🇵 JP APNIC
→
Japan Network Information Center/fbdc
🇯🇵 JP APNIC

Date	Resource	From	To	Type
2015-04-02	183.181.104.0/21	Japan Network Information Center/dti 🇯🇵 JP APNIC	Japan Network Information Center/fbdc 🇯🇵 JP APNIC	Transfer

Origin ASN

AS10013

FBDC FreeBit Co.,Ltd.

Related Prefixes

More prefixes of AS10013

All prefixes of AS10013 →

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityChiyoda City

Coordinates35.6916, 139.7680 ↗

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 APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/183.181.104.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/183.181.104.0/21" | jq

External Links

RIPEstat