Home Prefix Lookup153.123.0.0/24

153.123.0.0/24 - GMOCL GMO GlobalSign Holdings K.K (AS131921)

IPv4APNICannouncedAS131921GMOCL GMO GlobalSign Holdings K.K. RPKI Valid

CIDR

153.123.0.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇯🇵 Japan

City

Osaka

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
153.123.0.0/24	AS131921 GMOCL GMO GlobalSign Holdings K.K.	Valid	-	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
153.123.0.0/20	AS131921 GMOCL GMO GlobalSign Holdings K.K.	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
153.123.0.0/20	AS131921	/24	apnic

Transfer History

Registry transfers of 153.123.0.0/24, blocks inside it, or blocks containing it.

153.122.0.0/15Transfer · 2012-10-11
Japan Network Information Center/DOMIRU
🇯🇵 JP APNIC
→
Japan Network Information Center/DIX
🇯🇵 JP APNIC

Date	Resource	From	To	Type
2012-10-11	153.122.0.0/15	Japan Network Information Center/DOMIRU 🇯🇵 JP APNIC	Japan Network Information Center/DIX 🇯🇵 JP APNIC	Transfer

Origin ASN

AS131921

GMOCL GMO GlobalSign Holdings K.K.

Related Prefixes

Covering prefix

153.123.0.0/20AS131921

More prefixes of AS131921

All prefixes of AS131921 →

Geolocation

Country🇯🇵JapanJP

RegionOsaka

CityOsaka

Coordinates34.6937, 135.5020 ↗

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/153.123.0.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/153.123.0.0/24" | jq

External Links

RIPEstat