150.16.0.0/12

🇯🇵

IPv4RIPEassigned RPKI Valid

CIDR

150.16.0.0/12

IP Version

IPv4

Addresses

Mask

/12 (255.240.0.0)

Country

🇯🇵 Japan

City

Chiyoda City

RIR

RIPE

Status

assigned

Allocated

Announced BGP Routes

0 of 0 routes

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
This prefix is not currently announced in BGP. See covering prefix below.

8 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
150.31.0.0/16	AS2497IIJ - Internet Initiative Japan Inc.	Valid	—	6/13/2026
150.23.0.0/16	AS2497IIJ - Internet Initiative Japan Inc.	No ROA	—	6/13/2026
150.19.0.0/16	AS2506SuperCSI - NTT business Solutions corporation	No ROA	—	6/13/2026
150.30.0.0/16	AS7516TOHKNET - TOHKnet Co.,Inc.	No ROA	—	6/13/2026
150.26.0.0/16	AS18125MAFFIN - Tsukuba Business-Academia Cooperation Support Center, Agriculture, Forestry and Fisheries Research Council Secretariat, Ministry of Agriculture, Forestry and Fisheries	Valid	—	6/13/2026
150.29.0.0/16	AS23793AIST - National Institute of Advanced Industrial Science and Technology	No ROA	—	6/13/2026
150.18.0.0/16	AS23793AIST - National Institute of Advanced Industrial Science and Technology	No ROA	—	6/13/2026
150.22.0.0/22	AS2907SINET-AS - Research Organization of Information and Systems, National Institute of Informatics	No ROA	—	6/13/2026

Prefix	AS	Country	Status
150.16.0.0/13		🇯🇵JP	assigned
150.28.0.0/14		🇯🇵JP	assigned
150.16.0.0/15		🇯🇵JP	allocated
150.26.0.0/15		🇯🇵JP	assigned
150.21.0.0/16		🇯🇵JP	allocated
150.31.0.0/16	AS2497	🇯🇵JP	allocated
150.18.0.0/16	AS23793	🇯🇵JP	allocated
150.19.0.0/16	AS2506	🇯🇵JP	allocated
150.20.0.0/16		🇯🇵JP	allocated
150.23.0.0/16	AS2497	🇯🇵JP	allocated
150.24.0.0/16		🇯🇵JP	allocated
150.25.0.0/16		🇯🇵JP	allocated
150.26.0.0/16	AS18125	🇯🇵JP	allocated
150.27.0.0/16		🇯🇵JP	allocated
150.28.0.0/16		🇯🇵JP	allocated
150.29.0.0/16	AS23793	🇯🇵JP	allocated
150.30.0.0/16	AS7516	🇯🇵JP	allocated
150.22.128.0/17		🇯🇵JP	allocated
150.22.32.0/19		🇯🇵JP	allocated
150.22.96.0/19		🇯🇵JP	allocated
150.22.64.0/20		🇯🇵JP	allocated
150.22.16.0/20		🇯🇵JP	allocated
150.22.8.0/21		🇯🇵JP	allocated
150.22.88.0/21		🇯🇵JP	allocated
150.22.80.0/22		🇯🇵JP	allocated
150.22.84.0/22		🇯🇵JP	allocated
150.22.0.0/22	AS2907	🇯🇵JP	allocated
150.22.4.0/22		🇯🇵JP	allocated

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityChiyoda City

API

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

curl -s "https://api.ipctl.io/v1/prefix/150.16.0.0/12" | jq

External Links