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Autonomous System details for AS2506

AS2506

NTT business Solutions corporation • supercsi.jp

AS2506 — NTT business Solutions corporation

AS Name

SuperCSI

Country

Japan (JP)

Website

supercsi.jp

Number of IPv4

217,088

Number of IPv6

7.92 × 10²⁸

ASN type

ISP

Status

Allocated

Registry

APNIC

Allocated

April 05, 2002

Last updated

January 09, 2026

IP Ranges

15 IPv4 prefixes, 1 IPv6 prefixes

Prefix	Company	Number of IPs
133.41.0.0/16	Hiroshima University	65,536
150.19.0.0/16		65,536
165.242.0.0/16	Hiroshima City University	65,536
202.15.112.0/22	NTT business Solutions corporation	1,024
202.245.144.0/24	Hiroshima Bunka Gakuen University	256
202.249.192.0/19	NTT BUSINESS SOLUTIONS CORPORATION	8,192
202.249.200.0/22	The City of Hiroshima	1,024
202.249.204.0/24	NTT BUSINESS SOLUTIONS CORPORATION	256
202.249.206.0/24	NTT BUSINESS SOLUTIONS CORPORATION	256
202.249.207.0/24	NTT BUSINESS SOLUTIONS CORPORATION	256
202.249.208.0/24	NTT BUSINESS SOLUTIONS CORPORATION	256
202.249.214.0/24	NTT business Solutions corporation.	256
202.249.224.0/19	NTT BUSINESS SOLUTIONS CORPORATION	8,192
202.249.236.0/24	NTT business Solutions corporation.	256
202.249.237.0/24	NTT business Solutions corporation.	256
2001:44a0::/32	NTT BUSINESS SOLUTIONS CORPORATION	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 AS2506

0 peers

AS2506 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 AS2506

2 upstreams

AS2907 AS7671

AS2506 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS2506 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS2506

0 downstreams

AS2506 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.