Address details
| Canonical | 2a01:168:4900::1 |
| Type | Global Unicast |
| Scope | global |
| Reverse DNS (PTR) | resolving… |
| .ip6.arpa | 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.9.4.8.6.1.0.1.0.a.2.ip6.arpa |
| Privacy relay | checking… |
Containing prefixes
| /32 (RIR allocation) | 2a01:168::/32 |
| /48 (site allocation) | 2a01:168:4900::/48 |
| /56 (residential subnet) | 2a01:168:4900::/56 |
| /64 (endpoint subnet) | 2a01:168:4900::/64 |
Network & location
| ASN | AS41670 hkfree.org z.s. |
| Organization | hkfree.org z.s. |
| Location | Hradec Králové, Hradec Králové Region, Czechia |
| Network (CIDR) | 2a01:168:4000::/34 |
| Scanned PTR (WorldIP) | Not yet scanned by WorldIP |
Location and ASN come from MaxMind GeoLite2 and ipinfo Lite (build of 2026-10-08), 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: 1791446685 UTC
