AS55894 — WHOSNEXT - Who's Next

AS55894 announces 1 IPv4 prefixes covering 1,024 addresses and 0 IPv6 prefixes.

About this network

The AS handle is WHOSNEXT and the holder is Who's Next.

What it's used for

• The address space carries business traffic, evidenced by the reverse DNS record sv103x5x178x254.who-s-next.com and the netname WHOSNEXT.
• The network announces 1024 IPv4 addresses across 1 prefix with 1 observed neighbour, indicating a small, self-contained corporate or business estate rather than a transit or large access network.
• Traffic from this AS consists of web and API endpoints for the Who's Next organization, which operates as a business entity in Japan.

Notable

• The RDAP registrant is Japan Network Information Center (JPNIC), which is the standard registry for Japanese IP space, while the AS holder is Who's Next.
• The address inventory consists of a single contiguous /22 block (103.5.176.0/22), representing a compact and unified allocation.

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

Announced prefixes

• 103.5.176.0/22

Upstream networks

• AS10021 KVH Co.,Ltd

Adjacent networks

• AS10021 KVH Co.,Ltd

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 1 route objects.
• Listed in as-sets: AS-ANC-CUSTOMER-PROXY-REGISTER, AS-GIGAINFRA, AS-IIJ, AS-IIJ6, AS-KDD, AS-KDDI6, AS-KVH, AS-PACNET-DOWNSTREAM-JP, AS2497:AS-IIJ, AS2497:AS-IIJ6, AS8220:AS-COLTJP.