$ query “AS12091” --type=asn → 1 result(s)

AS12091 — MTNNS-1

MTN SA

AS12091 is an enterprise stub network operated by MTN SA, registered in South Africa. The network announces an impressive 1.1 million IPv4 addresses, including a /15. No IPv6 support — it's 2026, just saying.

Basic Information

Country
🇿🇦 South Africa
Category
Business
Network Role
Stub Network
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
March 05, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
117 / 33
IPv6 Prefixes (raw / aggregated)
0 / 0
IPv4 Addresses
1 139 456
Largest IPv4 Prefix
/15 (131 072 addresses)
Geolocated Countries
🇿🇦 ZA (35 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 3 flagged IPs out of 1 139 456 total (0.00%)

Connectivity Summary

Upstream Providers
1 upstream autonomous systems providing transit
Peers
0 autonomous systems exchanging traffic without transit fees
Downstream Customers
0 downstream autonomous systems buying transit
Degree
1 unique BGP neighbors (providers + customers + peers)
Reach
0 — customer cone size measuring network influence
Degree Rank
#54 215

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (117 total)

  • 41.114.0.0/15 (131 072 addresses)
  • 41.116.0.0/15 (131 072 addresses)
  • 41.122.0.0/15 (131 072 addresses)
  • 197.64.0.0/15 (131 072 addresses)
  • 197.68.0.0/15 (131 072 addresses)
  • 41.113.0.0/16 (65 536 addresses)
  • 41.119.0.0/16 (65 536 addresses)
  • 41.121.0.0/16 (65 536 addresses)
  • 41.124.0.0/16 (65 536 addresses)
  • 197.66.0.0/16 (65 536 addresses)
  • 41.120.128.0/17 (32 768 addresses)
  • 197.70.0.0/17 (32 768 addresses)
  • 197.78.128.0/17 (32 768 addresses)
  • 41.112.0.0/19 (8 192 addresses)
  • 41.112.64.0/19 (8 192 addresses)
  • 41.112.224.0/19 (8 192 addresses)
  • 41.120.0.0/19 (8 192 addresses)
  • 105.209.64.0/19 (8 192 addresses)
  • 41.112.32.0/20 (4 096 addresses)
  • 41.112.144.0/20 (4 096 addresses)
  • 41.112.160.0/20 (4 096 addresses)
  • 196.11.240.0/22 (1 024 addresses)
  • 66.8.4.0/23 (512 addresses)
  • 66.8.8.0/23 (512 addresses)
  • 196.11.244.0/23 (512 addresses)
  • 196.13.230.0/23 (512 addresses)
  • 41.127.255.0/24 (256 addresses)
  • 66.8.3.0/24 (256 addresses)
  • 66.8.10.0/24 (256 addresses)
  • 105.209.255.0/24 (256 addresses)
  • 196.10.101.0/24 (256 addresses)
  • 196.11.239.0/24 (256 addresses)
  • 196.31.56.0/24 (256 addresses)