157.16.0.0/14

🇯🇵

IPv4RIPEassignedNo ROA

CIDR

157.16.0.0/14

IP Version

IPv4

Addresses

262.1K

Mask

/14 (255.252.0.0)

Country

🇯🇵 Japan

City

Chiyoda

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.

13 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
157.16.0.0/16	AS2907SINET-AS - Research Organization of Information and Systems, National Institute of Informatics	No ROA	—	6/15/2026
157.19.0.0/16	AS2907SINET-AS - Research Organization of Information and Systems, National Institute of Informatics	No ROA	—	6/15/2026
157.18.0.0/16	AS17816CHINA169-GZ - China Unicom IP network China169 Guangdong province	No ROA	—	6/15/2026
157.17.0.0/19	AS2907SINET-AS - Research Organization of Information and Systems, National Institute of Informatics	No ROA	—	6/15/2026
157.17.32.0/19	AS7684SAKURA-A - SAKURA Internet Inc.	Valid	—	6/15/2026
157.17.64.0/20	AS7684SAKURA-A - SAKURA Internet Inc.	Valid	—	6/15/2026
157.17.96.0/20	AS7684SAKURA-A - SAKURA Internet Inc.	Valid	—	6/15/2026
157.17.112.0/20	AS7684SAKURA-A - SAKURA Internet Inc.	Valid	—	6/15/2026
157.17.88.0/21	AS7684SAKURA-A - SAKURA Internet Inc.	Valid	—	6/15/2026
157.17.84.0/22	AS7684SAKURA-A - SAKURA Internet Inc.	Valid	—	6/15/2026
157.17.80.0/23	AS7684SAKURA-A - SAKURA Internet Inc.	Valid	—	6/15/2026
157.17.82.0/23	AS7684SAKURA-A - SAKURA Internet Inc.	Valid	—	6/15/2026
157.17.176.0/24	AS55897SAKURA-F - SAKURA Internet Inc.	Valid	—	6/15/2026

Prefix	AS	Country	Status
157.16.0.0/16	AS2907	🇯🇵JP	allocated
157.18.0.0/16	AS17816	🇨🇳CN	allocated
157.19.0.0/16	AS2907	🇯🇵JP	allocated
157.17.128.0/17		🇯🇵JP	allocated
157.17.0.0/19	AS2907	🇯🇵JP	allocated
157.17.32.0/19	AS7684	🇯🇵JP	allocated
157.17.96.0/20	AS7684	🇯🇵JP	allocated
157.17.112.0/20	AS7684	🇯🇵JP	allocated
157.17.64.0/20	AS7684	🇯🇵JP	allocated
157.17.88.0/21	AS7684	🇯🇵JP	allocated
157.17.84.0/22	AS7684	🇯🇵JP	allocated
157.17.82.0/23	AS7684	🇯🇵JP	allocated
157.17.80.0/23	AS7684	🇯🇵JP	allocated

Geolocation

Country🇯🇵JapanJP

RegionTokyo

CityChiyoda

API

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

curl -s "https://api.ipctl.io/v1/prefix/157.16.0.0/14" | jq

External Links