Home Prefix Lookup160.251.0.0/18

160.251.0.0/18 - GMO I R1 GMO Internet (AS7506)

IPv4APNICannouncedAS7506GMO-I-R1 GMO Internet, Inc.No ROA

CIDR

160.251.0.0/18

IP Version

IPv4

Addresses

16.3K

Mask

/18 (255.255.192.0)

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
160.251.0.0/18	AS7506 GMO-I-R1 GMO Internet, Inc.	No ROA	Other IRR	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
160.251.0.0/17	AS7506 GMO-I-R1 GMO Internet, Inc.	No ROA	-	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7506	Other IRR	MAINT-AS7506	2026-07-21

Transfer History

Registry transfers of 160.251.0.0/18, blocks inside it, or blocks containing it.

160.251.0.0/16Transfer · 2018-12-27
Japan Network Information Center/ASATSU-DK
🇯🇵 JP APNIC
→
Japan Network Information Center/interQ
🇯🇵 JP APNIC

Date	Resource	From	To	Type
2018-12-27	160.251.0.0/16	Japan Network Information Center/ASATSU-DK 🇯🇵 JP APNIC	Japan Network Information Center/interQ 🇯🇵 JP APNIC	Transfer

Origin ASN

AS7506

GMO-I-R1 GMO Internet, Inc.

Related Prefixes

Covering prefix

160.251.0.0/17AS7506

More prefixes of AS7506

All prefixes of AS7506 →

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/160.251.0.0/18

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

curl -s "https://api.ipctl.io/v1/prefix/160.251.0.0/18" | jq

External Links

RIPEstat