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IPv6 Address

2001:4ca0:2403::81bb:b3a2

Global Unicast Germany AS12816 · Leibniz-Rechenzentrum looking up

Address details

Canonical2001:4ca0:2403::81bb:b3a2
TypeGlobal Unicast
Scopeglobal
Reverse DNS (PTR) resolving…
.ip6.arpa2.a.3.b.b.b.1.8.0.0.0.0.0.0.0.0.0.0.0.0.3.0.4.2.0.a.c.4.1.0.0.2.ip6.arpa
Privacy relay checking…

Containing prefixes

/32 (RIR allocation) 2001:4ca0::/32
/48 (site allocation) 2001:4ca0:2403::/48
/56 (residential subnet) 2001:4ca0:2403::/56
/64 (endpoint subnet) 2001:4ca0:2403::/64

Network & location

ASN AS12816 Leibniz-Rechenzentrum
Organization Leibniz-Rechenzentrum enterprise
Location Munich, Bavaria, Germany
Network (CIDR) 2001:4ca0:2000::/36
Scanned PTR (WorldIP) Not yet scanned by WorldIP

Location and ASN come from MaxMind GeoLite2 and ipinfo Lite (build of 2026-10-07), 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

RDAP allocation

querying RIR…

Blocklist status

checking blocklists…

Related tools & guides

Last updated: 1791407706 UTC
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