AS1835

AS1835 is Forskningsnettet - Danish network for Research and Education.

Short answer

AS1835 belongs to Forskningsnettet - Danish network for Research and Education. DB-IP Lite attributes 164,352 IPv4 addresses in 4 ranges and 2 IPv6 ranges to it, all or nearly all of the IPv4 space in Denmark. The number is registered with RIPE NCC in European Union on 1 Sept 1993.

Facts for AS1835
Operator (DB-IP)Forskningsnettet - Danish network for Research and Education
IPv4 addresses164,352
IPv4 ranges4
IPv6 ranges2
RegistryRIPE NCC
Registered1 Sept 1993
Registry countryEuropean Union (EU)

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)

Forskningsnettet - Danish network for Research and Education 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 2 IPv6 ranges for AS1835, so customers can get IPv6 addresses, which databases place separately from IPv4.

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

DK100%

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

IP ranges

RangeAs CIDRAddresses
130.225.0.0 – 130.226.255.255130.225.0.0/16, 130.226.0.0/16131,072
192.38.0.0 – 192.38.127.255192.38.0.0/1732,768
193.3.238.0 – 193.3.238.255193.3.238.0/24256
193.163.46.0 – 193.163.46.255193.163.46.0/24256
2001:7f8:1f:: – 2001:7f8:1f:ffff:ffff:ffff:ffff:ffff2001:7f8:1f::/48IPv6
2001:878:: – 2001:87b:ffff:ffff:ffff:ffff:ffff:ffff2001:878::/30IPv6
Showing 4 of 4 IPv4 and 2 of 2 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 4 Nov 2026