$ query “AS13937” --type=asn → 1 result(s)
AS13937 · UNISERVE-AS13937
Uniserve On Line
AS13937 is owned by Uniserve On Line and is a stub network, established in Canada in 1999. The system announces 512 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Canada.
- Pioneer — Registered before the year 2000
Basic Information
- Country
- 🇨🇦 Canada
- Category
- Internet Service Provider
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- September 20, 1999
- Last Changed
- June 11, 2026
- Last Seen
- June 22, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 1
- IPv6 Prefixes (raw / aggregated)
- 2 / 1
- IPv4 Addresses
- 512
- Largest IPv4 Prefix
- /23 (512 addresses)
- Largest IPv6 Prefix
- /47
- Geolocated Countries
- 🇨🇦 Canada (512 IPs)
- Prefix Changed
- May 30, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 1 upstream providing transit
- Degree
- 1 unique BGP neighbor
- Reach
- 0 networks in customer cone
Upstream Providers (1)
- AS19662 — UNISERVE-ONLINE
Prefix Lists
IPv4 Prefixes (2 total)
- 204.239.130.0/23 (512 addresses (/23 prefix))
IPv6 Prefixes (2 total)
- 2605:1000:a::/47