Home Prefix Lookup218.40.136.0/21

218.40.136.0/21 - KATCH NETWORK (AS59108)

IPv4APNICannouncedAS59108KATCH-NET - KATCH NETWORK INC. RPKI Valid

CIDR

218.40.136.0/21

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:

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Prefix	Origin AS	RPKI	IRR	Last Seen
218.40.136.0/21	AS59108 KATCH-NET - KATCH NETWORK INC.	Valid	Other IRR	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
218.40.128.0/20	AS59108 KATCH-NET - KATCH NETWORK INC.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
218.40.128.0/20	AS59108	/21	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS59108	Other IRR	MAINT-AS9354	2023-11-13

Origin ASN

AS59108

KATCH-NET - KATCH NETWORK INC.

Related Prefixes

Covering prefix

218.40.128.0/20AS59108

More prefixes of AS59108

All prefixes of AS59108 →

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityChiyoda City

Coordinates35.6906, 139.7700 ↗

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/218.40.136.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/218.40.136.0/21" | jq

External Links

RIPEstat