AS7671 — MCNET NTT SmartConnect Corporation

Network type: hosting

AS7671 announces 40 IPv4 prefixes covering 453,888 addresses and 2 IPv6 prefixes.

About this network

MCNET is NTT SmartConnect Corporation, an Osaka-based NTT West group company. Its marketing is cloud, colocation and managed hosting — but the inventory says the network is mostly broadband access.

What it's used for

• Around 454,000 addresses across sixty-plus prefixes. The large ones are not the company's own: 124.245.0.0/16 and 122.100.16.0/21 are registered NTTWEST-NGN, 222.231.128.0/17 and 210.247.16.0/20 are FLETS-WEST, and 157.4.0.0/16 is NTT-WEST-BB2 — all held by Nippon Telegraph and Telephone West. This is NTT West's FLET'S fibre and next-generation-network subscriber space.
• Reverse DNS confirms it: NN-NNN-NNN-N.gip-dyn.canvas.ne.jp is a dynamic global-IP pool for DoCANVAS, the apartment-building fibre internet service.
• A smaller set of prefixes is registered NTTSMC to the company itself, and those carry its data-centre and hosting customers.

Notable

• A kind trap. The name reads as a pure cloud provider; the address space is predominantly Japanese residential and small-business broadband. Anything geolocating this AS as datacentre space will be wrong for most of it.
• Distinct from AS4713 (OCN, NTT's retail ISP) and AS2914 (NTT's global transit backbone).

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 58.147.192.0/18
• 103.28.236.0/22
• 114.129.0.0/21
• 114.129.48.0/20
• 117.58.224.0/20
• 122.50.16.0/20
• 122.100.16.0/21
• 124.241.192.0/18
• 124.245.0.0/16
• 125.252.128.0/18
• 157.3.0.0/16
• 157.4.0.0/16
• 192.218.14.0/24
• 202.62.176.0/20
• 202.71.64.0/19
• 202.78.208.0/20
• 202.189.176.0/21
• 202.211.112.0/20
• 202.242.245.0/24
• 202.255.103.0/24
• 203.78.224.0/19
• 203.184.96.0/19
• 203.211.160.0/19
• 203.211.192.0/18
• 210.89.192.0/18
• 210.172.32.0/19
• 210.233.240.0/20
• 210.247.0.0/23
• 210.247.4.0/22
• 210.247.8.0/21
• 210.247.16.0/20
• 210.247.32.0/19
• 210.247.64.0/18
• 211.1.224.0/19
• 219.96.64.0/19
• 219.103.32.0/20
• 219.111.224.0/20
• 219.113.64.0/20
• 219.124.32.0/20
• 222.231.128.0/17
• 2001:350::/32
• 2001:d70::/30

Upstream networks

• AS2497 Internet Initiative Japan Inc.
• AS6939 Hurricane Electric LLC
• AS9607 BroadBand Tower, Inc.
• AS2914 NTT America, Inc.

Downstream networks

• AS2506 NTT business Solutions corporation
• AS63785 Fukuoka University

Adjacent networks

• AS2497 Internet Initiative Japan Inc.
• AS6939 Hurricane Electric LLC
• AS9607 BroadBand Tower, Inc.
• AS2914 NTT America, Inc.
• AS2506 NTT business Solutions corporation
• AS63785 Fukuoka University

Internet exchanges

• BroadBand Internet eXchange Osaka — Osaka, Japan
• JPIX Osaka — Osaka, Japan