AS212194 — Yuusei YUUSEI LTD

AS212194 announces 4 IPv4 prefixes covering 3,328 addresses and 2 IPv6 prefixes.

About this network

The AS handle YUUSEI is held by Yuusei LTD.

What it's used for

• The address space carries netnames of ipxo and NET-151-242-65-0-24, with registrants listed as Internet Utilities Europe and Asia Limited and Private Customer.
• The AS announces 3072 IPv4 addresses across 6 prefixes and 2 IPv6 prefixes, with only 2 observed neighbours, indicating a small-scale hosting or leased space operation rather than a transit provider.
• Traffic from this AS consists of web and API endpoints hosted on leased infrastructure, given the association with Internet Utilities and the lack of residential access indicators.

Notable

• Registrants for the majority of prefixes are Internet Utilities Europe and Asia Limited, while the announcer is Yuusei LTD, suggesting the address space is leased or managed by a third party.
• The address inventory is fragmented across multiple /23 and /24 blocks in the 2.26.0.0/16 and 2.27.0.0/16 ranges, plus a single /24 in 151.242.0.0/16.

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

Announced prefixes

• 2.26.200.0/21
• 2.27.146.0/23
• 2.27.212.0/23
• 151.242.65.0/24
• 2a14:67c4:11::/48
• 2a14:67c4:12::/47

Upstream networks

• AS17433 Hytron Network Services Limited
• AS8796 FASTNET DATA INC

Adjacent networks

• AS17433 Hytron Network Services Limited
• AS8796 FASTNET DATA INC

Routing security

• RPKI: 12 valid, 0 invalid and 0 not-found announcements; 7 ROAs.
• ASPA: none published.
• IRR: 42% of announcements registered; 10 route objects.
• Listed in as-sets: AS-395886, AS-4IXP, AS-4IXP-RS, AS-4IXPV4, AS-8796, AS-HYTRON, AS-HYTRON, AS17433:AS-HYTRON, AS17433:AS-HYTRON, AS202662:AS-HYTRON, AS34927:AS-TUNNELBROKER-LEGACY, AS58453:AS-AMERICAASCUST, AS58453:AS-AMERICAASCUST.