AS18264 — SEN Seikei Eizo Network Inc.

AS18264 announces 2 IPv4 prefixes covering 6,144 addresses and 0 IPv6 prefixes.

About this network

The AS handle SEN is held by Lucky Town TV Co., Ltd., a Japanese cable and DSL internet service provider.

What it's used for

• The address space carries residential and access traffic, evidenced by reverse DNS entries such as c027-254.intsurf.ne.jp and d021-254.intsurf.ne.jp which indicate customer-facing infrastructure.
• The network announces 6144 IPv4 addresses across 2 prefixes and maintains 5 observed neighbours, a ratio consistent with an access or eyeball network rather than a transit provider.

Notable

• The RDAP registrants for both announced prefixes are listed as Japan Network Information Center (JPNIC) with the netname INTSURF-CIDR-BLK-JP, which aligns with the historical identity of the operator.
• The operator was formerly known as Seikei Eizo Network Inc., as indicated by the registry holder name, and is now identified in peering databases as Lucky Town TV Co., Ltd. (LTV).
• The inventory consists of two contiguous IPv4 blocks in Japan with no announced IPv6 prefixes.

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

Announced prefixes

• 203.92.16.0/21
• 219.122.16.0/20

Upstream networks

• AS17676 SoftBank Corp.
• AS9351 ZTV CO.,LTD
• AS24482 SG.GS

Adjacent networks

• AS17676 SoftBank Corp.
• AS9351 ZTV CO.,LTD
• AS24482 SG.GS

Internet exchanges

• BroadBand Internet eXchange Tokyo — Tokyo, Japan