Data as of Nov 13, 2026

115.187.72.0/21

No anonymizer space · no proxy exits in 30 days

ARTERIA Networks Corporation · space held by WorkUP Inc.

Announcement
this exact prefix
No RPKI
Announced by
Type
Residential
89% of it

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
115.187.64.0/204,096WORKUP-JPWorkUP Inc. (ORG-GNCL1-AP) · JPALLOCATED PORTABLE—abuse@grnt.ne.jp
└ 115.187.72.0/24256GRNT-V128-1GreenNet Co.,Ltd.ALLOCATED NON-PORTABLE—abuse@grnt.ne.jp
└ 115.187.72.0/25128TOKYOTtokyo ooi tuushinsyaASSIGNED NON-PORTABLE—apnic@grnt.ne.jp
└ 115.187.73.0/24256GRNT-V64-1GreenNet Co.,Ltd.ALLOCATED NON-PORTABLE—abuse@grnt.ne.jp
└ 115.187.73.128/2664MANNISHMannish,inc.ASSIGNED NON-PORTABLE—manish2015.jp@gmail.com
└ 115.187.74.0/24256GRNT-V32-1GreenNet Co.,Ltd.ALLOCATED NON-PORTABLE—abuse@grnt.ne.jp
└ 115.187.75.0/24256GRNT-V16-2GreenNet Co.,Ltd.ALLOCATED NON-PORTABLE—abuse@grnt.ne.jp
└ 115.187.76.0/24256GRNT-V16-1GreenNet Co.,Ltd.ALLOCATED NON-PORTABLE—abuse@grnt.ne.jp
└ 115.187.77.0/24256GRNT-V128-2GreenNet Co.,Ltd.ALLOCATED NON-PORTABLE—abuse@grnt.ne.jp
└ 115.187.78.0/24256GRNT-V8-1GreenNet Co.,Ltd.ALLOCATED NON-PORTABLE—abuse@grnt.ne.jp
└ 115.187.78.80/298YYCindividualASSIGNED NON-PORTABLE—abuse@grnt.ne.jp
└ 115.187.78.112/298PICPacific Island CompanyASSIGNED NON-PORTABLE—apnic@grnt.ne.jp
└ 115.187.78.184/298THIRDPARTYthird party INCASSIGNED NON-PORTABLE—apnic@grnt.ne.jp
└ 115.187.78.240/298SHIGANETshiganet co.,ltd.ASSIGNED NON-PORTABLE—apnic@grnt.ne.jp
└ 115.187.79.0/24256GRNT-V1-1GreenNet Co.,Ltd.ALLOCATED NON-PORTABLE—abuse@grnt.ne.jp

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses
TypeAddressesShareRanges
Residential1,82489%6
Business22411%6

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Feb 2009
Current origin since
Feb 2011 · 16 yr
Origin networks
2
Last change of origin
Feb 2011
Recorded history

History

Handoffs
1