Home ASN LookupAS12091

AS12091 MTNNS-1

🇿🇦

Org handle: F367678F

AFRINICallocated

Announced Prefixes (BGP)

131total

131 IPv40 IPv6

IPv4 Addresses

Allocated (RIR)722,432

Announced (BGP)1.5M

IPv6 Addresses

Allocated (RIR)0

Announced (BGP)0

Prefix Limit (IPv4)

1,000

Prefix Limit (IPv6)

Country

🇿🇦 ZA

RIR

AFRINIC

Status

allocated

Allocated

2002-06-21

Listed on the threat map (2026-10-10)

#8 in South Africa (4 flagged networks located there)

Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Announced Prefixes

(BGP)131

Prefix	RPKI	IRR	Last Seen
41.112.0.0/20	Valid	Other IRR	2026-10-11
41.112.16.0/20	Valid	Other IRR	2026-10-11
41.112.32.0/20	Valid	Other IRR	2026-10-11
41.112.64.0/19	Valid	Other IRR	2026-10-11
41.112.144.0/20	Valid	Other IRR	2026-10-11
41.112.160.0/20	Valid	Other IRR	2026-10-11
41.112.224.0/20	Valid	-	2026-10-11
41.112.240.0/20	Valid	Other IRR	2026-10-11
41.113.0.0/17	Valid	Other IRR	2026-10-11
41.113.128.0/17	Valid	Other IRR	2026-10-11

1-10 of 131

1 / 14

Allocated Prefixes

(RIR)27

Prefix	Country	RIR	Status
41.113.0.0/17	🇿🇦 ZA	AFRINIC	assigned
41.113.128.0/17	🇿🇦 ZA	AFRINIC	assigned
41.114.0.0/17	🇿🇦 ZA	AFRINIC	assigned
41.114.128.0/17	🇿🇦 ZA	AFRINIC	assigned
41.115.0.0/17	🇿🇦 ZA	AFRINIC	assigned
41.115.128.0/17	🇿🇦 ZA	AFRINIC	assigned
41.116.0.0/17	🇿🇦 ZA	AFRINIC	assigned
41.116.128.0/17	🇿🇦 ZA	AFRINIC	assigned
41.117.0.0/17	🇿🇦 ZA	AFRINIC	assigned
41.117.128.0/17	🇿🇦 ZA	AFRINIC	assigned

1-10 of 27

1 / 3

All 131 announced prefixes of AS12091 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS12091 hands its own prefixes to: transit providers, or peers at an exchange.

AS16637MTN131

ASPA

No ASPA

External Links

AFRINIC Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS12091 should publish an ASPA object
IPv4 transfers in the AFRINIC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/12091

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/12091" | jq