$ 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, based 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 08, 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)

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