AS131932 · JR East Information Systems Company

71
IPv4 prefixes
655,360
Announced IPv4 slots
0
IPv6 prefixes
🇯🇵 JP
Country

Summary

AS number
AS131932
Name
JR East Information Systems Company
Country
🇯🇵 Japan
Type
JPNIC
Category
business
Normalized type
business
Organization domain
Unknown
Domain evidence
Unknown
Last changed
Unknown
Announced
71 prefixes
Updated
2026-10-17

IPv4 prefixes on this page (50 of 71)

Prefix
157.71.0.0/17
157.71.0.0/24
157.71.1.0/24
157.71.2.0/23
157.71.4.0/22
157.71.8.0/21
157.71.16.0/23
157.71.18.0/24
157.71.19.0/24
157.71.20.0/24
157.71.21.0/24
157.71.22.0/23
157.71.24.0/21
157.71.32.0/19
157.71.64.0/24
157.71.65.0/24
157.71.66.0/23
157.71.68.0/22
157.71.72.0/21
157.71.80.0/22
157.71.84.0/23
157.71.86.0/23
157.71.88.0/21
157.71.96.0/20
157.71.112.0/20
157.71.128.0/17
157.71.128.0/20
157.71.144.0/20
157.71.160.0/20
157.71.176.0/20
157.71.192.0/18
157.72.0.0/17
157.72.0.0/19
157.72.32.0/21
157.72.40.0/22
157.72.44.0/22
157.72.48.0/21
157.72.56.0/21
157.72.64.0/18
157.72.128.0/17
157.72.128.0/20
157.72.144.0/22
157.72.148.0/24
157.72.149.0/24
157.72.150.0/23
157.72.152.0/21
157.72.160.0/21
157.72.168.0/22
157.72.172.0/22
157.72.176.0/21

Address slots sum announced prefixes; overlapping routes count separately.