Home Prefix Lookup183.181.0.0/18

183.181.0.0/18 - FreeBit (AS10013)

IPv4APNICallocatedAS10013FBDC - FreeBit Co.,Ltd. RPKI Valid

CIDR

183.181.0.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

Country

🇯🇵 Japan

City

Shibuya City

RIR

APNIC

Status

allocated

Allocated

2009-12-01

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
183.181.0.0/18	AS10013 FBDC - FreeBit Co.,Ltd.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
183.181.0.0/18	AS10013	/18	apnic

More Specific Prefixes

Prefix	Country	Status
183.181.0.0/19	🇯🇵JP	assigned
183.181.32.0/23	🇯🇵JP	assigned
183.181.34.0/23	🇯🇵JP	assigned
183.181.36.0/22	🇯🇵JP	assigned
183.181.40.0/21	🇯🇵JP	assigned
183.181.48.0/23	🇯🇵JP	assigned
183.181.50.0/23	🇯🇵JP	assigned
183.181.52.0/22	🇯🇵JP	assigned
183.181.56.0/22	🇯🇵JP	assigned
183.181.60.0/23	🇯🇵JP	assigned
183.181.62.0/23	🇯🇵JP	assigned

Transfer History

Registry transfers of 183.181.0.0/18, blocks inside it, or blocks containing it.

183.181.60.0/23Transfer · 2016-02-19
Japan Network Information Center/dti
🇯🇵 JP APNIC
→
Japan Network Information Center/fbdc
🇯🇵 JP APNIC
183.181.56.0/22Transfer · 2016-02-19
Japan Network Information Center/dti
🇯🇵 JP APNIC
→
Japan Network Information Center/fbdc
🇯🇵 JP APNIC
183.181.52.0/22Transfer · 2016-02-19
Japan Network Information Center/dti
🇯🇵 JP APNIC
→
Japan Network Information Center/fbdc
🇯🇵 JP APNIC
183.181.50.0/23Transfer · 2016-02-19
Japan Network Information Center/dti
🇯🇵 JP APNIC
→
Japan Network Information Center/fbdc
🇯🇵 JP APNIC
183.181.36.0/22Transfer · 2016-02-19
Japan Network Information Center/dti
🇯🇵 JP APNIC
→
Japan Network Information Center/fbdc
🇯🇵 JP APNIC
183.181.34.0/23Transfer · 2016-02-19
Japan Network Information Center/dti
🇯🇵 JP APNIC
→
Japan Network Information Center/fbdc
🇯🇵 JP APNIC
183.181.0.0/19Transfer · 2016-02-19
Japan Network Information Center/dti
🇯🇵 JP APNIC
→
Japan Network Information Center/fbdc
🇯🇵 JP APNIC
183.181.62.0/23Transfer · 2015-04-02
Japan Network Information Center/dti
🇯🇵 JP APNIC
→
Japan Network Information Center/fbdc
🇯🇵 JP APNIC
183.181.48.0/23Transfer · 2015-04-02
Japan Network Information Center/dti
🇯🇵 JP APNIC
→
Japan Network Information Center/fbdc
🇯🇵 JP APNIC
183.181.40.0/21Transfer · 2015-04-02
Japan Network Information Center/dti
🇯🇵 JP APNIC
→
Japan Network Information Center/fbdc
🇯🇵 JP APNIC

Date	Resource	From	To	Type
2016-02-19	183.181.60.0/23	Japan Network Information Center/dti 🇯🇵 JP APNIC	Japan Network Information Center/fbdc 🇯🇵 JP APNIC	Transfer
2016-02-19	183.181.56.0/22	Japan Network Information Center/dti 🇯🇵 JP APNIC	Japan Network Information Center/fbdc 🇯🇵 JP APNIC	Transfer
2016-02-19	183.181.52.0/22	Japan Network Information Center/dti 🇯🇵 JP APNIC	Japan Network Information Center/fbdc 🇯🇵 JP APNIC	Transfer
2016-02-19	183.181.50.0/23	Japan Network Information Center/dti 🇯🇵 JP APNIC	Japan Network Information Center/fbdc 🇯🇵 JP APNIC	Transfer
2016-02-19	183.181.36.0/22	Japan Network Information Center/dti 🇯🇵 JP APNIC	Japan Network Information Center/fbdc 🇯🇵 JP APNIC	Transfer
2016-02-19	183.181.34.0/23	Japan Network Information Center/dti 🇯🇵 JP APNIC	Japan Network Information Center/fbdc 🇯🇵 JP APNIC	Transfer
2016-02-19	183.181.0.0/19	Japan Network Information Center/dti 🇯🇵 JP APNIC	Japan Network Information Center/fbdc 🇯🇵 JP APNIC	Transfer
2015-04-02	183.181.62.0/23	Japan Network Information Center/dti 🇯🇵 JP APNIC	Japan Network Information Center/fbdc 🇯🇵 JP APNIC	Transfer
2015-04-02	183.181.48.0/23	Japan Network Information Center/dti 🇯🇵 JP APNIC	Japan Network Information Center/fbdc 🇯🇵 JP APNIC	Transfer
2015-04-02	183.181.40.0/21	Japan Network Information Center/dti 🇯🇵 JP APNIC	Japan Network Information Center/fbdc 🇯🇵 JP APNIC	Transfer

View all 11 transfers →

Origin ASN

AS10013

FBDC - FreeBit Co.,Ltd.

Related Prefixes

More prefixes of AS10013

All prefixes of AS10013 →

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityShibuya City

Coordinates35.6576, 139.6960 ↗

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/183.181.0.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/183.181.0.0/18" | jq

External Links

RIPEstat