$ query “AS5538” --type=asn → 1 result(s)
AS5538 · SIGMANET-NIC
Institute of Mathematics and Computer Science of University of Latvia
AS5538 belongs to Institute of Mathematics and Computer Science of University… and is an educational/research access provider, registered in Latvia since 2002. The system announces a respectable 27 904 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Latvia.
Basic Information
- Country
- 🇱🇻 Latvia
- Category
- Education/Research
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- August 22, 2002
- Last Changed
- March 04, 2026
- Last Seen
- April 14, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 5 / 5
- IPv6 Prefixes (raw / aggregated)
- 2 / 1
- IPv4 Addresses
- 27 904
- Largest IPv4 Prefix
- /18 (16 384 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇱🇻 Latvia (55 808 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 5 upstreams providing transit
- Peers
- 5 networks exchanging traffic without transit
- Downstream Customers
- 6 downstreams buying transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 17 unique BGP neighbors
- Reach
- 6 networks in customer cone
Upstream Providers (5)
Prefix Lists
IPv4 Prefixes (5 total)
- 85.254.192.0/18 (16 384 addresses (/18 prefix))
- 92.240.64.0/19 (8 192 addresses (/19 prefix))
- 5.152.224.0/21 (2 048 addresses (/21 prefix))
- 185.23.160.0/22 (1 024 addresses (/22 prefix))
- 194.8.1.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (2 total)
- 2a02:500::/29