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AS5408

AS5408 is National Infrastructures for Research and Technology S.A..

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (2 Nov 2026)

Short answer

AS5408 belongs to National Infrastructures for Research and Technology S.A.. DB-IP Lite attributes 179,712 IPv4 addresses in 39 ranges and 19 IPv6 ranges to it, all or nearly all of the IPv4 space in Greece. The number is registered with RIPE NCC in Greece on 6 Sept 1995.

Facts for AS5408
Operator (DB-IP)National Infrastructures for Research and Technology S.A.
IPv4 addresses179,712
IPv4 ranges39
IPv6 ranges19
RegistryRIPE NCC
Registered6 Sept 1995
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)

National Infrastructures for Research and Technology S.A. 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 19 IPv6 ranges for AS5408, 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
37.32.128.0 – 37.32.255.25537.32.128.0/1732,768
44.31.164.0 – 44.31.164.25544.31.164.0/24256
62.217.64.0 – 62.217.127.25562.217.64.0/1816,384
83.212.0.0 – 83.212.27.25583.212.0.0/20, 83.212.16.0/21 …7,168
83.212.32.0 – 83.212.63.25583.212.32.0/198,192
83.212.68.0 – 83.212.87.25583.212.68.0/22, 83.212.72.0/21 …5,120
83.212.92.0 – 83.212.127.25583.212.92.0/22, 83.212.96.0/199,216
83.212.168.0 – 83.212.183.25583.212.168.0/21, 83.212.176.0/214,096
83.212.200.0 – 83.212.203.25583.212.200.0/221,024
83.212.208.0 – 83.212.235.25583.212.208.0/20, 83.212.224.0/21 …7,168
83.212.240.0 – 83.212.248.25583.212.240.0/21, 83.212.248.0/242,304
83.212.251.0 – 83.212.255.25583.212.251.0/24, 83.212.252.0/221,280
91.227.108.0 – 91.227.108.25591.227.108.0/24256
109.107.139.0 – 109.107.139.255109.107.139.0/24256
143.233.68.0 – 143.233.68.255143.233.68.0/24256
143.233.182.0 – 143.233.189.255143.233.182.0/23, 143.233.184.0/22 …2,048
143.233.204.0 – 143.233.204.255143.233.204.0/24256
150.140.128.0 – 150.140.255.255150.140.128.0/1732,768
185.5.76.0 – 185.5.79.255185.5.76.0/221,024
185.81.196.0 – 185.81.199.255185.81.196.0/221,024
193.105.109.0 – 193.105.109.255193.105.109.0/24256
193.218.36.0 – 193.218.36.255193.218.36.0/24256
193.218.124.0 – 193.218.125.255193.218.124.0/23512
194.42.50.0 – 194.42.54.255194.42.50.0/23, 194.42.52.0/23 …1,280
194.177.192.0 – 194.177.192.255194.177.192.0/24256
194.177.196.0 – 194.177.197.255194.177.196.0/23512
194.177.200.0 – 194.177.223.255194.177.200.0/21, 194.177.208.0/206,144
195.130.67.0 – 195.130.95.255195.130.67.0/24, 195.130.68.0/22 …7,424
195.130.123.0 – 195.130.123.255195.130.123.0/24256
195.251.0.0 – 195.251.31.255195.251.0.0/198,192
195.251.33.0 – 195.251.35.255195.251.33.0/24, 195.251.34.0/23768
195.251.38.0 – 195.251.47.255195.251.38.0/23, 195.251.40.0/212,560
195.251.49.0 – 195.251.63.255195.251.49.0/24, 195.251.50.0/23 …3,840
195.251.96.0 – 195.251.99.255195.251.96.0/221,024
195.251.102.0 – 195.251.109.255195.251.102.0/23, 195.251.104.0/22 …2,048
195.251.112.0 – 195.251.119.255195.251.112.0/212,048
195.251.124.0 – 195.251.151.255195.251.124.0/22, 195.251.128.0/20 …7,168
195.251.176.0 – 195.251.183.255195.251.176.0/212,048
195.251.247.0 – 195.251.247.255195.251.247.0/24256
2001:648:: – 2001:648:1fff:ffff:ffff:ffff:ffff:ffff2001:648::/35IPv6
2001:648:2001:: – 2001:648:200f:ffff:ffff:ffff:ffff:ffff2001:648:2001::/48IPv6
2001:648:2012:: – 2001:648:211f:ffff:ffff:ffff:ffff:ffff2001:648:2012::/47IPv6
2001:648:2121:: – 2001:648:22af:ffff:ffff:ffff:ffff:ffff2001:648:2121::/48IPv6
2001:648:22b1:: – 2001:648:232f:ffff:ffff:ffff:ffff:ffff2001:648:22b1::/48IPv6
2001:648:2331:: – 2001:648:241f:ffff:ffff:ffff:ffff:ffff2001:648:2331::/48IPv6
2001:648:2422:: – 2001:648:249f:ffff:ffff:ffff:ffff:ffff2001:648:2422::/47IPv6
2001:648:24a1:: – 2001:648:25df:ffff:ffff:ffff:ffff:ffff2001:648:24a1::/48IPv6
2001:648:25e1:: – 2001:648:27ff:ffff:ffff:ffff:ffff:ffff2001:648:25e1::/48IPv6
2001:648:2801:: – 2001:648:280f:ffff:ffff:ffff:ffff:ffff2001:648:2801::/48IPv6
2001:648:2811:: – 2001:648:295f:ffff:ffff:ffff:ffff:ffff2001:648:2811::/48IPv6
2001:648:2961:: – 2001:648:2bff:ffff:ffff:ffff:ffff:ffff2001:648:2961::/48IPv6
2001:648:2c01:: – 2001:648:2c0f:ffff:ffff:ffff:ffff:ffff2001:648:2c01::/48IPv6
2001:648:2c11:: – 2001:648:2c2f:ffff:ffff:ffff:ffff:ffff2001:648:2c11::/48IPv6
2001:648:2c31:: – 2001:648:2cee:ffff:ffff:ffff:ffff:ffff2001:648:2c31::/48IPv6
2001:648:2cf0:: – 2001:648:2e00:ffff:ffff:ffff:ffff:ffff2001:648:2cf0::/44IPv6
2001:648:2e02:: – 2001:648:2e7f:ffff:ffff:ffff:ffff:ffff2001:648:2e02::/47IPv6
2001:648:2e81:: – 2001:648:33ff:ffff:ffff:ffff:ffff:ffff2001:648:2e81::/48IPv6
2001:648:3500:: – 2001:64f:ffff:ffff:ffff:ffff:ffff:ffff2001:648:3500::/40IPv6
Showing 39 of 39 IPv4 and 19 of 19 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