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IPv6 Address

2a03:4000:9:3f4::42

Global Unicast Germany AS197540 · netcup GmbH looking up

Address details

Canonical2a03:4000:9:3f4::42
TypeGlobal Unicast
Scopeglobal
Reverse DNS (PTR) resolving…
.ip6.arpa2.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.f.3.0.9.0.0.0.0.0.0.4.3.0.a.2.ip6.arpa
Privacy relay checking…

Containing prefixes

/32 (RIR allocation) 2a03:4000::/32
/48 (site allocation) 2a03:4000:9::/48
/56 (residential subnet) 2a03:4000:9:300::/56
/64 (endpoint subnet) 2a03:4000:9:3f4::/64

Network & location

ASN AS197540 netcup GmbH
Organization netcup GmbH enterprise
Location Nuremberg, Bavaria, Germany
Network (CIDR) 2a03:4000::/32
Scanned PTR (WorldIP) ptr.0042.0000.0000.0000.03f4.0009.4000.2a03.static.yourvserver.net ISP-generated

Location and ASN come from MaxMind GeoLite2 and ipinfo Lite (build of 2026-11-13), the same sources as our IPv4 pages. City-level IPv6 geolocation is approximate.

Not available for IPv6: VPN and proxy exit detection, trust score, live BGP origin and RPKI, and hosted domains are IPv4-only on WorldIP. Get this as JSON

Domains hosted

as of 2026-11-13 UTC

1

Registrable domains (like example.com) with at least one name resolving to this IP — updated daily from issued.live's DNS data.

Domain data provided by issued.live — for full details visit https://issued.live/pricing

RDAP allocation

querying RIR…

Blocklist status

checking blocklists…

Related tools & guides

Last updated: 1794559933 UTC
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