Home Prefix Lookup160.21.74.0/23

160.21.74.0/23 - NetLab Global (AS979)

IPv4RIPEassignedAS979NETLAB-SDN - NetLab Global RPKI Valid

CIDR

160.21.74.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇯🇵 Japan

City

Tokyo

RIR

RIPE

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
160.21.74.0/23	AS979 NETLAB-SDN - NetLab Global	Valid	Other IRRRIPE	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
160.21.74.0/23	AS979	/24	ripe
160.21.74.0/23	AS206300	/24	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS979	Other IRR	MAINT-AS834	2026-09-04
AS206300	Other IRR	MAINT-AS834	2026-09-04
AS206300	RIPE	netutils-mnt	2026-09-04
AS979	RIPE	netutils-mnt	2026-09-04

Transfer History

Registry transfers of 160.21.74.0/23, blocks inside it, or blocks containing it.

160.21.64.0/20inter-RIRTransfer · 2026-08-10
Japan Network Information Center/GMO-BRS
🇯🇵 JP APNIC
→
GMO NetIRD, inc.
🇯🇵 JP RIPE NCC
160.21.64.0/20Transfer · 2026-07-01
Japan Network Information Center/NIDEC-SANKYO
🇯🇵 JP APNIC
→
Japan Network Information Center/GMO-BRS
🇯🇵 JP APNIC

Date	Resource	From	To	Type
2026-08-10	160.21.64.0/20inter-RIR	Japan Network Information Center/GMO-BRS 🇯🇵 JP APNIC	GMO NetIRD, inc. 🇯🇵 JP RIPE NCC	Transfer
2026-07-01	160.21.64.0/20	Japan Network Information Center/NIDEC-SANKYO 🇯🇵 JP APNIC	Japan Network Information Center/GMO-BRS 🇯🇵 JP APNIC	Transfer

Origin ASN

AS979

NETLAB-SDN - NetLab Global

Related Prefixes

More prefixes of AS979

All prefixes of AS979 →

Geolocation

Country🇯🇵JapanJP

CityTokyo

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 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/160.21.74.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/160.21.74.0/23" | jq

External Links

RIPEstat