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Autonomous System details for AS17529

AS17529

STARCAT Co .,LTD. • starcat.co.jp

AS17529 — STARCAT Co .,LTD.

AS Name

MediaCat

Country

Japan (JP)

Website

starcat.co.jp

Number of IPv4

135,424

Number of IPv6

7.92 × 10²⁸

ASN type

Business

Status

Allocated

Registry

APNIC

Allocated

December 12, 2000

Last updated

December 12, 2025

IP Ranges

13 IPv4 prefixes, 1 IPv6 prefixes

Prefix	Company	Number of IPs
58.146.0.0/18	STARCAT Co., Ltd.	16,384
58.146.64.0/19	STARCAT Co., Ltd.	8,192
61.211.128.0/20	STARCAT CABLE NETWORK Co .,LTD.	4,096
61.213.192.0/21	STARCAT Co., Ltd.	2,048
61.213.200.0/21	STARCAT Co., Ltd.	2,048
120.138.128.0/18	STARCAT Co., Ltd.	16,384
124.241.128.0/18	STARCAT Co., Ltd.	16,384
125.58.64.0/18	STARCAT Co., Ltd.	16,384
180.200.0.0/17	STARCAT Co., Ltd.	32,768
193.115.32.0/19	STARCAT Co., Ltd.	8,192
203.91.160.0/19	STARCAT Co., Ltd.	8,192
211.128.16.0/20	STARCAT Co., Ltd.	4,096
219.100.227.0/24	STARCAT Co., Ltd.	256
2001:3b0::/32	STARCAT CABLE NETWORK 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 AS17529

0 peers

AS17529 has no peers recorded.

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 AS17529

2 upstreams

AS2497 AS9354

AS17529 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS17529 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS17529

0 downstreams

AS17529 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.