$ query “AS37501” --type=asn → 1 result(s)
AS37501 · UFS-37501
University of the Free State
AS37501 is run by University of the Free State and is an educational/research stub network, registered in South Africa since 2013. The system announces a solid 198 656 IPv4 addresses, including a /15, and supports IPv6. Most of its address space is geolocated to South Africa.
Basic Information
- Country
- 🇿🇦 South Africa
- Category
- Education/Research
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- January 18, 2013
- Last Changed
- May 10, 2026
- Last Seen
- June 26, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 11 / 6
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 198 656
- Largest IPv4 Prefix
- /15 (131 072 addresses)
- Largest IPv6 Prefix
- /46
- Geolocated Countries
- 🇿🇦 South Africa (264 192 IPs)
- Prefix Changed
- March 04, 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)
- AS2018 — TENET-2018
Prefix Lists
IPv4 Prefixes (11 total)
- 196.254.0.0/15 (131 072 addresses (/15 prefix))
- 146.182.0.0/16 (65 536 addresses (/16 prefix))
- 196.21.180.0/22 (1 024 addresses (/22 prefix))
- 196.21.158.0/23 (512 addresses (/23 prefix))
- 196.21.40.0/24 (256 addresses (/24 prefix))
- 196.21.184.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (2 total)
- 2001:43f8:770::/46
- 2001:4200:5000::/48