Home Prefix Lookup218.220.0.0/16

218.220.0.0/16 - JCOM (AS9617)

IPv4APNICannouncedAS9617ZAQ - JCOM Co., Ltd. RPKI Valid

CIDR

218.220.0.0/16

IP Version

IPv4

Addresses

65.5K

Mask

/16 (255.255.0.0)

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
218.220.0.0/16	AS9617 ZAQ - JCOM Co., Ltd.	Valid	Other IRR	2026-10-12

More-Specific Announcements

8 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
218.220.0.0/19	AS9617 ZAQ - JCOM Co., Ltd.	Valid	-	2026-10-12
218.220.32.0/19	AS9617 ZAQ - JCOM Co., Ltd.	Valid	-	2026-10-12
218.220.64.0/19	AS9617 ZAQ - JCOM Co., Ltd.	Valid	-	2026-10-12
218.220.96.0/19	AS9617 ZAQ - JCOM Co., Ltd.	Valid	-	2026-10-12
218.220.128.0/19	AS9617 ZAQ - JCOM Co., Ltd.	Valid	-	2026-10-12
218.220.160.0/19	AS9617 ZAQ - JCOM Co., Ltd.	Valid	-	2026-10-12
218.220.192.0/19	AS9617 ZAQ - JCOM Co., Ltd.	Valid	-	2026-10-12
218.220.224.0/19	AS9617 ZAQ - JCOM Co., Ltd.	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
218.220.0.0/16	AS9617	/24	apnic
218.220.0.0/16	AS9824	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS9617	Other IRR	MAINT-AS9824	2023-11-13

Origin ASN

AS9617

ZAQ - JCOM Co., Ltd.

Related Prefixes

More prefixes of AS9617

All prefixes of AS9617 →

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/218.220.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/218.220.0.0/16" | jq

External Links

RIPEstat