AS55376 — KCV-HitaNet - KCV Communications Co. Ltd.

Network type: residential

AS55376 announces 4 IPv4 prefixes covering 6,656 addresses and 0 IPv6 prefixes.

About this network

KCV-HitaNet is operated by KCV Communications Co. Ltd.

What it's used for

• The address space carries residential broadband traffic, evidenced by reverse DNS names such as pc6-69-0.b-net.kcv.jp and cl11-254.b-net.kcv.jp across all announced prefixes.
• The AS announces 6,656 IPv4 addresses across 4 prefixes and maintains 13 observed neighbours, a ratio consistent with an access network providing last-mile connectivity.
• Traffic from this AS consists of subscriber eyeballs for cable and DSL services, as indicated by the operator's classification as a Cable/DSL/ISP.

Notable

• Registrants for all prefixes are listed as Japan Network Information Center (JPNIC) with netnames KCV-NET or KCV-NET-CIDR-BLK-JP, aligning with the announcer KCV Communications.
• The inventory consists of four distinct IPv4 blocks, including a /20 and three smaller /22 and /23 prefixes, with no IPv6 prefixes in inventory.

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

Announced prefixes

• 27.118.0.0/20
• 103.136.138.0/23
• 202.6.68.0/22
• 202.223.24.0/22

Upstream networks

• AS2518 BIGLOBE Inc.
• AS17676 SoftBank Corp.
• AS6939 Hurricane Electric LLC
• AS9002 RETN Limited
• AS24482 SG.GS

Adjacent networks

• AS2518 BIGLOBE Inc.
• AS17676 SoftBank Corp.
• AS6939 Hurricane Electric LLC
• AS9002 RETN Limited
• AS24482 SG.GS

Routing security

• RPKI: 4 valid, 0 invalid and 0 not-found announcements; 5 ROAs.
• ASPA: none published.
• IRR: 50% of announcements registered; 3 route objects.
• Listed in as-sets: AS-GIGAINFRA, AS-IIJ, AS-KDD, AS-KDDI6, AS-KORNETBGP, AS-MESH-CUSTOMER:AS55376, AS-MESH-CUSTOMER:AS7679, AS-OCN, AS-OCN, AS-VECTANT, AS-XO-B, AS2497:AS-IIJ.

Internet exchanges

• BroadBand Internet eXchange Tokyo — Tokyo, Japan
• BroadBand Internet eXchange Singapore — Singapore, Singapore
• BroadBand Internet eXchange Osaka — Osaka, Japan
• JPIX Osaka — Osaka, Japan
• BroadBand Internet eXchange Hong Kong — Hong Kong, China