$ query “AS37271” --type=asn → 1 result(s)

AS37271 · WORKONLINE

Workonline Communications(Pty) Ltd

AS37271 is owned by Workonline Communications(Pty) Ltd and is a major transit provider, registered in South Africa. The system announces 9 216 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in South Africa.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #81 by Reach — Top 100 by customer cone size
  • #2 in South Africa — Top 10 by reach within country

Basic Information

Country
🇿🇦 South Africa
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
April 18, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
2 / 2
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
9 216
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇿🇦 South Africa (17 408 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
220 networks exchanging traffic without transit
Downstream Customers
131 downstreams buying transit
Unclassified
9 unclassified BGP neighbors
Degree
365 unique BGP neighbors
Reach
37 646 networks in customer cone

Upstream Providers (5)

  • AS174 — COGENT-174 (Tier-1 transit)
  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS3741 — NTT-DATA-INC

Prefix Lists

IPv4 Prefixes (2 total)

  • 197.157.64.0/19 (8 192 addresses (/19 prefix))
  • 41.78.188.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (1 total)

  • 2c0f:fa90::/32