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AS5538

AS5538 is Institute of Mathematics and Computer Science of University of Latvia.

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (4 Nov 2026)

Short answer

AS5538 belongs to Institute of Mathematics and Computer Science of University of Latvia. DB-IP Lite attributes 18,432 IPv4 addresses in 10 ranges and 2 IPv6 ranges to it, all or nearly all of the IPv4 space in Latvia. The number is registered with RIPE NCC in Latvia on 5 Feb 1996.

Facts for AS5538
Operator (DB-IP)Institute of Mathematics and Computer Science of University of Latvia
IPv4 addresses18,432
IPv4 ranges10
IPv6 ranges2
RegistryRIPE NCC
Registered5 Feb 1996
Registry countryLatvia (LV)

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)

Institute of Mathematics and Computer Science of University of Latvia 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 AS5538, so customers can get IPv6 addresses, which databases place separately from IPv4.

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

LV100%

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

IP ranges

RangeAs CIDRAddresses
5.152.224.0 – 5.152.231.2555.152.224.0/212,048
85.254.194.0 – 85.254.199.25585.254.194.0/23, 85.254.196.0/221,536
85.254.206.0 – 85.254.207.25585.254.206.0/23512
85.254.210.0 – 85.254.213.25585.254.210.0/23, 85.254.212.0/231,024
85.254.229.0 – 85.254.237.25585.254.229.0/24, 85.254.230.0/23 …2,304
85.254.248.0 – 85.254.255.25585.254.248.0/212,048
92.240.64.0 – 92.240.89.25592.240.64.0/20, 92.240.80.0/21 …6,656
92.240.92.0 – 92.240.95.25592.240.92.0/221,024
185.23.160.0 – 185.23.163.255185.23.160.0/221,024
194.8.1.0 – 194.8.1.255194.8.1.0/24256
2a02:500:: – 2a02:503:7:ffff:ffff:ffff:ffff:ffff2a02:500::/31IPv6
2a02:503:9:: – 2a02:507:ffff:ffff:ffff:ffff:ffff:ffff2a02:503:9::/48IPv6
Showing 10 of 10 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 5 Nov 2026