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AS12091

AS12091 is MTN SA.

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (2 Nov 2026)

Short answer

AS12091 belongs to MTN SA. DB-IP Lite attributes 1,254,000 IPv4 addresses in 20 ranges and no IPv6 ranges to it, all or nearly all of the IPv4 space in South Africa. The number is registered with AFRINIC in South Africa on 21 Jun 2002.

Facts for AS12091
Operator (DB-IP)MTN SA
IPv4 addresses1,254,000
IPv4 ranges20
IPv6 ranges0
RegistryAFRINIC
Registered21 Jun 2002
Registry countrySouth Africa (ZA)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

MTN SA hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists no IPv6 ranges for AS12091, so its customers reach websites over IPv4.

Where its IPv4 space is used, according to DB-IP

ZA100%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
41.112.0.0 – 41.112.47.25541.112.0.0/19, 41.112.32.0/2012,288
41.112.64.0 – 41.112.95.25541.112.64.0/198,192
41.112.144.0 – 41.112.175.25541.112.144.0/20, 41.112.160.0/208,192
41.112.224.0 – 41.117.255.25541.112.224.0/19, 41.113.0.0/16 …335,872
41.119.0.0 – 41.120.31.25541.119.0.0/16, 41.120.0.0/1973,728
41.120.128.0 – 41.124.255.25541.120.128.0/17, 41.121.0.0/16 …294,912
41.125.64.0 – 41.126.255.25541.125.64.0/18, 41.125.128.0/17 …114,688
41.127.255.0 – 41.127.255.25541.127.255.0/24256
66.8.3.0 – 66.8.5.25566.8.3.0/24, 66.8.4.0/23768
66.8.8.0 – 66.8.10.25566.8.8.0/23, 66.8.10.0/24768
105.209.64.0 – 105.209.95.255105.209.64.0/198,192
105.209.255.0 – 105.209.255.255105.209.255.0/24256
196.10.101.0 – 196.10.101.255196.10.101.0/24256
196.11.239.0 – 196.11.245.255196.11.239.0/24, 196.11.240.0/22 …1,792
196.13.230.0 – 196.13.231.255196.13.230.0/23512
196.31.56.0 – 196.31.56.255196.31.56.0/24256
197.64.0.0 – 197.66.127.239197.64.0.0/15, 197.66.0.0/18 …163,824
197.66.128.0 – 197.66.255.127197.66.128.0/18, 197.66.192.0/19 …32,640
197.68.0.0 – 197.70.127.255197.68.0.0/15, 197.70.0.0/17163,840
197.78.128.0 – 197.78.255.255197.78.128.0/1732,768
Showing 20 of 20 IPv4 and 0 of 0 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 3 Nov 2026