AS203997

Name: AS203997 — XTDef Limited
Creator: ipdex

XTDef Limited Unknown registered in Austria

8IPv4 prefixes

2IPv6 prefixes

100%RPKI-valid

#58,371AS Rank

327/327RIS visibility

#68Rank in Austria

2025-11-05Allocated

XTDef Limited (AS203997) — Unknown, registered in Austria. announces 8 IPv4 prefixes + 2 IPv6 prefixes. Rank in Austria: #68. Allocated: 2025-11-05.

IPv4 8IPv6 2

Announced prefixes · 10

v4 151.244.252.0/24 valid
v4 179.61.243.0/24 valid
v4 191.44.74.0/24 valid
v4 81.18.60.0/24 valid
v4 82.24.145.0/24 valid
v4 87.76.184.0/24 valid
v4 89.23.94.0/24 valid
v4 91.217.223.0/24 valid
v6 2a10:e8c0:43::/48 valid
v6 2a10:e8c0:4::/48 valid

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 9 IPv4 · 3 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	10
2026-06-13	10

AS topology · Customer cone 1

Providers · 5

AS20473 The Constant Company, LLC
AS35661 VIRTUA SYSTEMS SAS
AS61138 Zappie Host
AS57695 Misaka Network, Inc.
AS40994 Hohl IT e.U.

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