Home Prefix Lookup219.8.0.0/16

219.8.0.0/16 - CTCX Chubu Telecommunications Company (AS18126)

IPv4APNICannouncedAS18126CTCX Chubu Telecommunications Company, Inc. RPKI Valid

CIDR

219.8.0.0/16

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
219.8.0.0/16	AS18126 CTCX Chubu Telecommunications Company, Inc.	Valid	Other IRR	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
219.8.0.0/13	AS18126	/24	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS18126	Other IRR	MAINT-AS18126	2026-06-11

Transfer History

Registry transfers of 219.8.0.0/16, blocks inside it, or blocks containing it.

219.8.0.0/13Transfer · 2026-02-25
Japan Network Information Center/BBIXINTLNET
🇯🇵 JP APNIC
→
Japan Network Information Center/commufa
🇯🇵 JP APNIC
219.8.0.0/13Transfer · 2026-02-05
Japan Network Information Center/IPR
🇯🇵 JP APNIC
→
Japan Network Information Center/BBIXINTLNET
🇯🇵 JP APNIC

Date	Resource	From	To	Type
2026-02-25	219.8.0.0/13	Japan Network Information Center/BBIXINTLNET 🇯🇵 JP APNIC	Japan Network Information Center/commufa 🇯🇵 JP APNIC	Transfer
2026-02-05	219.8.0.0/13	Japan Network Information Center/IPR 🇯🇵 JP APNIC	Japan Network Information Center/BBIXINTLNET 🇯🇵 JP APNIC	Transfer

Origin ASN

AS18126

CTCX Chubu Telecommunications Company, Inc.

Related Prefixes

More prefixes of AS18126

All prefixes of AS18126 →

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/219.8.0.0/16

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

curl -s "https://api.ipctl.io/v1/prefix/219.8.0.0/16" | jq

External Links

RIPEstat