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Autonomous System details for AS131937

AS131937

Joetsu Cable Vision • jprs.jp

AS131937 — Joetsu Cable Vision

AS Name

JCV

Country

Japan (JP)

Website

jprs.jp

Number of IPv4

29,184

Number of IPv6

1.58 × 10²⁹

ASN type

ISP

Status

Allocated

Registry

APNIC

Allocated

August 04, 2011

Last updated

July 25, 2018

IP Ranges

9 IPv4 prefixes, 2 IPv6 prefixes

Prefix	Company	Number of IPs
103.118.92.0/22	Joetsu Cable Vision Co.,Ltd.	1,024
103.152.66.0/23	JMiX Co., Ltd.	512
126.251.0.0/19	SoftBank Corp.	8,192
126.251.32.0/21	Joetsu Cable Vision Co.,Ltd.	2,048
126.251.112.0/21	Joetsu Cable Vision Co., Ltd.	2,048
126.251.128.0/20	Joetsu Cable Vision Co., Ltd.	4,096
170.249.64.0/21	Joetsu Cable Vision Co.,Ltd.	2,048
170.249.96.0/19	Joetsu Cable Vision Co.,Ltd.	8,192
202.223.12.0/22	Joetsu Cable Vision Co.,Ltd.	1,024
2403:4040::/32	Joetsu Cable Vision Co.,Ltd.	7.92 × 10²⁸
2406:2b40::/32	JMiX Co., Ltd.	7.92 × 10²⁸

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS131937

12 peers

AS1828 AS2500 AS4775 AS6939 AS8966 AS9002 AS17639 AS18106 AS20485 AS24482 AS49544 AS59105

AS131937 peers with these other Autonomous Systems.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS131937

2 upstreams

AS2497 AS17676

AS131937 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS131937 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS131937

0 downstreams

AS131937 has no downstreams recorded.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.