AS47616

AS47616 is Center for Research and Technology Hellas (CERTH).

Short answer

AS47616 belongs to Center for Research and Technology Hellas (CERTH). DB-IP Lite attributes 65,536 IPv4 addresses in 1 ranges and 1 IPv6 ranges to it, all or nearly all of the IPv4 space in Greece. The number is registered with RIPE NCC in Greece on 23 Jul 2008.

Facts for AS47616
Operator (DB-IP)Center for Research and Technology Hellas (CERTH)
IPv4 addresses65,536
IPv4 ranges1
IPv6 ranges1
RegistryRIPE NCC
Registered23 Jul 2008
Registry countryGreece (GR)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Center for Research and Technology Hellas (CERTH) hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 1 IPv6 ranges for AS47616, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

GR100%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
160.40.0.0 – 160.40.255.255160.40.0.0/1665,536
2001:648:22b0:: – 2001:648:22b0:ffff:ffff:ffff:ffff:ffff2001:648:22b0::/48IPv6
Showing 1 of 1 IPv4 and 1 of 1 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 3 Nov 2026