AS58648 — AT-I-NET - AT-I, Inc.

Network type: residential

AS58648 announces 3 IPv4 prefixes covering 1,792 addresses and 0 IPv6 prefixes.

About this network

AT-I-NET is operated by AT-I, Inc., a Japanese cable and DSL internet service provider.

What it's used for

• The address space carries residential and small business subscriber traffic, evidenced by reverse DNS records such as host165-0.at-i.jp and host-150.9.252.128.at-i.jp.
• The AS announces 1,792 IPv4 addresses across 3 prefixes and maintains 5 observed routing neighbours, a ratio consistent with an access network providing last-mile connectivity rather than transit.
• Traffic from this AS consists of end-user internet access for subscribers in Japan, including web browsing, streaming, and general consumer internet usage.

Notable

• All registrants for the announced prefixes are listed as Japan Network Information Center (JPNIC) with the netname AT-I-CIDR-BLK-JP or AT-I-NET, aligning with the AS holder AT-I, Inc.
• The address inventory is composed of three distinct IPv4 blocks: 103.30.164.0/22, 150.9.252.0/23, and 219.100.252.0/24, all located in Japan.

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

Announced prefixes

• 103.30.164.0/22
• 150.9.252.0/23
• 219.100.252.0/24

Upstream networks

• AS7529 GMO NetIRD, Inc.
• AS2519 ARTERIA Networks Corporation
• AS6939 Hurricane Electric LLC

Adjacent networks

• AS7529 GMO NetIRD, Inc.
• AS2519 ARTERIA Networks Corporation
• AS6939 Hurricane Electric LLC

Routing security

• RPKI: 7 valid, 0 invalid and 0 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 11 route objects.
• Listed in as-sets: AS-ANC-CUSTOMER-PROXY-REGISTER, AS-GIGAINFRA, AS-IIJ, AS-IIJ6, AS-KDD, AS-KDDCUSTOMER2, AS-KDDI6, AS-NETIRD, AS-OCN, AS-OCN, AS-PACNET-DOWNSTREAM-JP, AS-PNAPOSK001, AS-TELSTRA-INTL-CUSTOMERS, AS-VECTANT, AS2497:AS-IIJ, AS2497:AS-IIJ6, AS58648:AS-AT-I-NET.

Internet exchanges

• JPIX Osaka — Osaka, Japan