$ query “AS37673” --type=asn → 1 result(s)
AS37673 · TELEMASTERS
Telemasters
AS37673 is owned by Telemasters and is a residential access provider, registered in South Africa since 2013. The system announces 4 096 IPv4 addresses. Most of its address space is geolocated to South Africa. No IPv6 support — it's 2026, just saying.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇿🇦 South Africa
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- August 27, 2013
- Last Changed
- May 10, 2026
- Last Seen
- June 10, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 8 / 2
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 4 096
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Geolocated Countries
- 🇿🇦 South Africa (6 144 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Peers
- 30 networks exchanging traffic without transit
- Downstream Customers
- 4 downstreams buying transit
- Degree
- 36 unique BGP neighbors
- Reach
- 5 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (8 total)
- 41.77.24.0/21 (2 048 addresses (/21 prefix))
- 196.223.56.0/21 (2 048 addresses (/21 prefix))