Home Prefix Lookup203.179.8.0/21

203.179.8.0/21 - Kurashiki Cable TV (AS9622)

IPv4APNICannouncedAS9622KCT - Kurashiki Cable TV RPKI Valid

CIDR

203.179.8.0/21

IP Version

IPv4

Addresses

Mask

/21 (255.255.248.0)

Country

🇯🇵 Japan

City

Chiyoda City

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
203.179.8.0/21	AS9622 KCT - Kurashiki Cable TV	Valid	Other IRR	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
203.179.0.0/20	AS9622 KCT - Kurashiki Cable TV	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
203.179.8.0/21	AS9622	/32	apnic
203.179.0.0/20	AS9622	/32	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS9622	Other IRR	MAINT-AS9622	2026-04-17

Origin ASN

AS9622

KCT - Kurashiki Cable TV

Related Prefixes

Covering prefix

203.179.0.0/20AS9622

More prefixes of AS9622

All prefixes of AS9622 →

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/203.179.8.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/203.179.8.0/21" | jq

External Links

RIPEstat