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Autonomous System

AS20011

Dimension Data

Announced IPs
826,111
CIDR prefixes
364
ASN
AS20011

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

57/100
Caution
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 100+ MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS20011 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
197.89.193.0/24 AS5713, AS20011 2026-07-21 09:23:10
197.89.71.0/24 AS5713, AS20011 2026-07-21 09:23:10
197.93.168.0/24 AS5713, AS20011 2026-07-21 09:23:10
197.93.155.0/24 AS5713, AS20011 2026-07-21 04:53:08
197.89.7.0/24 AS5713, AS10474, AS20011 2026-07-19 12:52:53
197.89.37.0/24 AS5713, AS20011 2026-07-19 12:52:53
197.89.110.0/24 AS5713, AS20011 2026-07-19 12:52:53
197.89.64.0/24 AS5713, AS20011 2026-07-19 12:52:53
197.89.238.0/24 AS5713, AS20011 2026-07-19 12:52:53
197.89.112.0/24 AS5713, AS20011 2026-07-19 12:52:53
197.89.119.0/24 AS5713, AS20011 2026-07-19 12:52:53
197.89.46.0/24 AS5713, AS20011 2026-07-19 12:52:53
197.93.200.0/24 AS5713, AS20011 2026-07-19 12:52:53
197.93.194.0/24 AS5713, AS20011 2026-07-19 12:52:53
197.89.54.0/24 AS5713, AS20011 2026-07-19 12:52:53

Showing the 15 most recently detected of 100+ MOAS prefixes. Many multi-origin prefixes on large networks are benign (anycast); see all MOAS anomalies.

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 1-5Tbps
Geographic scope Africa
Traffic ratio Not Disclosed
Peering policy Selective
IRR record RADB::AS-IS2

Present at 6 internet exchanges: NAPAfrica IX Johannesburg: Peering, CINX: CINX Peering, NAPAfrica IX Durban, DINX: DINX Peering, NAPAfrica IX Cape Town, JINX: JINX Peering

Web3 footprint

AS20011 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

AS20011 — global IP footprint

Cities where AS20011 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
152.110.0.0/16 65.5K
88.6%
NTT Data Inc ZA Western Cape Cape Town
196.39.0.0/16 65.5K
100.0%
NTT Data Inc ZA Gauteng Johannesburg
196.210.0.0/16 65.5K
99.6%
NTT Data Inc ZA Gauteng Johannesburg
197.93.0.0/17 32.8K
98.6%
NTT Data Inc ZA KwaZulu-Natal Durban
197.95.0.0/17 32.8K
0.0%
Dimension Data ZA Western Cape Cape Town
41.132.0.0/18 16.4K
99.5%
NTT Data Inc ZA Gauteng Johannesburg
41.133.192.0/18 16.4K
98.5%
NTT Data Inc ZA Western Cape Cape Town
41.135.0.0/18 16.4K
99.7%
NTT Data Inc ZA Gauteng Johannesburg
168.210.128.0/18 16.4K
0.5%
NTT Data Inc ZA Gauteng Johannesburg
197.89.128.0/18 16.4K
19.2%
NTT Data Inc ZA Northern Cape Douglas
197.92.0.0/18 16.4K
17.0%
NTT Data Inc ZA Gauteng Johannesburg
197.95.0.0/18 16.4K
92.7%
NTT Data Inc ZA Western Cape Cape Town
41.135.64.0/19 8.2K
49.9%
NTT Data Inc ZA Gauteng Johannesburg
41.135.192.0/19 8.2K
99.6%
NTT Data Inc ZA KwaZulu-Natal Durban
196.28.192.0/19 8.2K
0.0%
NTT Data Inc ZA Gauteng Johannesburg
196.208.32.0/19 8.2K
100.0%
NTT Data Inc ZA Western Cape Cape Town
197.88.32.0/19 8.2K
18.8%
NTT Data Inc ZA
197.88.64.0/19 8.2K
19.6%
NTT Data Inc ZA
197.88.224.0/19 8.2K
19.4%
NTT Data Inc ZA Western Cape Cape Town
197.89.224.0/19 8.2K
19.7%
NTT Data Inc ZA Western Cape Cape Town
197.90.32.0/19 8.2K
88.8%
NTT Data Inc ZA Gauteng Johannesburg
197.90.96.0/19 8.2K
29.6%
NTT Data Inc ZA Gauteng Kempton Park
197.90.128.0/19 8.2K
94.8%
NTT Data Inc ZA Gauteng Johannesburg
197.91.32.0/19 8.2K
18.7%
NTT Data Inc ZA Western Cape Cape Town
197.91.64.0/19 8.2K
18.6%
NTT Data Inc ZA Western Cape Cape Town
197.91.128.0/19 8.2K
18.1%
NTT Data Inc ZA Gauteng Johannesburg
197.92.160.0/19 8.2K
58.0%
NTT Data Inc ZA KwaZulu-Natal Durban
197.93.128.0/19 8.2K
18.9%
NTT Data Inc ZA Free State Bloemfontein
197.93.224.0/19 8.2K
0.0%
NTT Data Inc ZA Western Cape Cape Town
197.94.64.0/19 8.2K
47.4%
NTT Data Inc ZA Gauteng Johannesburg
197.94.192.0/19 8.2K
95.0%
NTT Data Inc ZA Western Cape Cape Town
197.95.96.0/19 8.2K
99.6%
NTT Data Inc ZA Western Cape Cape Town
197.95.128.0/19 8.2K
13.6%
NTT Data Inc ZA Gauteng Johannesburg
41.133.64.0/20 4.1K
0.0%
NTT Data Inc ZA Gauteng Pretoria
168.210.48.0/20 4.1K
0.0%
NTT Data Inc ZA Gauteng Johannesburg
168.210.64.0/20 4.1K
96.2%
NTT Data Inc ZA KwaZulu-Natal Durban
168.210.192.0/20 4.1K
95.3%
NTT Data Inc ZA KwaZulu-Natal Durban
168.210.240.0/20 4.1K
96.0%
NTT Data Inc ZA KwaZulu-Natal Durban
196.28.32.0/20 4.1K
0.0%
Dimension Data ZA
197.82.208.0/20 4.1K
20.0%
NTT Data Inc ZA Free State Sasolburg
197.86.144.0/20 4.1K
0.0%
NTT Data Inc ZA Gauteng Johannesburg
197.89.112.0/20 4.1K
19.5%
NTT Data Inc ZA Western Cape Cape Town
197.90.16.0/20 4.1K
94.8%
NTT Data Inc ZA Gauteng Johannesburg
197.90.80.0/20 4.1K
94.6%
NTT Data Inc ZA Gauteng Johannesburg
197.90.192.0/20 4.1K
94.2%
NTT Data Inc ZA Gauteng Boksburg
197.91.16.0/20 4.1K
19.0%
NTT Data Inc ZA Western Cape Cape Town
197.91.160.0/20 4.1K
18.6%
NTT Data Inc ZA Gauteng Kempton Park
197.91.240.0/20 4.1K
15.0%
NTT Data Inc ZA Gauteng Johannesburg
197.92.144.0/20 4.1K
20.0%
NTT Data Inc ZA Western Cape Cape Town
197.92.192.0/20 4.1K
17.7%
NTT Data Inc ZA Gauteng Johannesburg
197.93.176.0/20 4.1K
18.3%
NTT Data Inc ZA Gauteng Pretoria
197.93.192.0/20 4.1K
0.0%
NTT Data Inc ZA Gauteng Pretoria
197.94.224.0/20 4.1K
94.7%
NTT Data Inc ZA Gauteng Johannesburg
197.95.80.0/20 4.1K
0.0%
NTT Data Inc ZA Western Cape Cape Town
197.95.176.0/20 4.1K
17.5%
NTT Data Inc ZA Western Cape Cape Town
197.95.192.0/20 4.1K
17.8%
NTT Data Inc ZA Western Cape Cape Town
41.132.64.0/21 2.0K
99.4%
NTT Data Inc ZA Gauteng Johannesburg
41.133.80.0/21 2.0K
0.0%
NTT Data Inc ZA Gauteng Pretoria
41.133.96.0/21 2.0K
0.0%
NTT Data Inc ZA Gauteng Pretoria
168.210.8.0/21 2.0K
94.4%
NTT Data Inc ZA
168.210.32.0/21 2.0K
0.0%
NTT Data Inc ZA KwaZulu-Natal Durban
168.210.88.0/21 2.0K
0.7%
NTT Data Inc ZA KwaZulu-Natal Durban
168.210.104.0/21 2.0K
0.0%
NTT Data Inc ZA KwaZulu-Natal Durban
168.210.120.0/21 2.0K
0.0%
NTT Data Inc ZA KwaZulu-Natal Durban
168.210.216.0/21 2.0K
95.6%
NTT Data Inc ZA KwaZulu-Natal Durban
168.210.224.0/21 2.0K
96.2%
NTT Data Inc ZA KwaZulu-Natal Durban
197.82.160.0/21 2.0K
0.0%
NTT Data Inc ZA Gauteng Johannesburg
197.86.168.0/21 2.0K
0.0%
NTT Data Inc ZA Western Cape Cape Town
197.87.112.0/21 2.0K
0.0%
NTT Data Inc ZA Gauteng Johannesburg
197.87.200.0/21 2.0K
97.4%
NTT Data Inc ZA Gauteng Johannesburg
197.87.216.0/21 2.0K
0.0%
NTT Data Inc ZA Gauteng Johannesburg
197.88.0.0/21 2.0K
18.5%
NTT Data Inc ZA
197.88.16.0/21 2.0K
20.5%
NTT Data Inc ZA
197.88.96.0/21 2.0K
14.4%
NTT Data Inc ZA
197.88.120.0/21 2.0K
19.7%
NTT Data Inc ZA
197.89.56.0/21 2.0K
19.9%
NTT Data Inc ZA Gauteng Pretoria
197.89.96.0/21 2.0K
19.8%
NTT Data Inc ZA Gauteng Pretoria
197.89.192.0/21 2.0K
19.8%
NTT Data Inc ZA Western Cape Cape Town
197.89.216.0/21 2.0K
19.1%
NTT Data Inc ZA
197.90.232.0/21 2.0K
95.6%
NTT Data Inc ZA Gauteng Johannesburg
197.90.240.0/21 2.0K
95.1%
NTT Data Inc ZA Gauteng Johannesburg
197.91.176.0/21 2.0K
19.7%
NTT Data Inc ZA Gauteng Johannesburg
197.91.216.0/21 2.0K
20.1%
NTT Data Inc ZA Gauteng Johannesburg
197.92.216.0/21 2.0K
4.9%
NTT Data Inc ZA Gauteng Johannesburg
197.92.224.0/21 2.0K
0.0%
NTT Data Inc ZA KwaZulu-Natal Durban
197.93.160.0/21 2.0K
17.8%
NTT Data Inc ZA
197.93.216.0/21 2.0K
0.0%
NTT Data Inc ZA Western Cape Cape Town
197.94.8.0/21 2.0K
89.2%
NTT Data Inc ZA Western Cape Cape Town
197.94.16.0/21 2.0K
95.6%
NTT Data Inc ZA Gauteng Johannesburg
197.94.40.0/21 2.0K
0.0%
NTT Data Inc ZA
197.94.56.0/21 2.0K
0.0%
NTT Data Inc ZA Western Cape Cape Town
197.95.72.0/21 2.0K
99.9%
NTT Data Inc ZA Western Cape Cape Town
197.95.208.0/21 2.0K
17.4%
NTT Data Inc ZA Gauteng Johannesburg
197.101.88.0/21 2.0K
99.9%
NTT Data Inc ZA Western Cape Cape Town
197.101.120.0/21 2.0K
100.0%
NTT Data Inc ZA Western Cape Cape Town
197.101.136.0/21 2.0K
100.0%
NTT Data Inc ZA KwaZulu-Natal Durban
197.101.144.0/21 2.0K
100.0%
NTT Data Inc ZA KwaZulu-Natal Durban
197.101.168.0/21 2.0K
100.0%
NTT Data Inc ZA KwaZulu-Natal Durban
197.101.216.0/21 2.0K
99.9%
NTT Data Inc ZA Western Cape Cape Town
41.132.72.0/22 1.0K
0.0%
NTT Data Inc ZA Western Cape Cape Town

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS20011 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
41.133.112.0/23 79,235 2026-07-21 09:19:19
197.86.196.0/24 78,756 2026-07-21 09:19:19
197.95.193.0/24 56,804 2026-07-21 09:19:21
197.95.194.0/24 56,658 2026-07-21 09:19:21
197.95.197.0/24 56,637 2026-07-21 09:19:21
197.95.155.0/24 56,629 2026-07-21 09:19:21
197.95.177.0/24 56,618 2026-07-21 09:19:21
197.95.199.0/24 56,615 2026-07-21 09:19:21
197.95.156.0/24 56,603 2026-07-21 09:19:21
197.95.181.0/24 56,602 2026-07-21 09:19:21
197.95.195.0/24 56,588 2026-07-21 09:19:21
197.95.191.0/24 56,584 2026-07-21 09:19:21
197.95.184.0/24 56,573 2026-07-21 09:19:21
197.95.190.0/24 56,570 2026-07-21 09:19:21
197.95.183.0/24 56,568 2026-07-21 09:19:21
197.95.186.0/24 56,567 2026-07-21 09:19:21
197.95.198.0/24 56,557 2026-07-21 09:19:21
197.95.196.0/24 56,550 2026-07-21 09:19:21
197.95.176.0/24 56,546 2026-07-21 09:19:21
197.95.185.0/24 56,539 2026-07-21 09:19:21
197.95.182.0/24 56,537 2026-07-21 09:19:21
197.95.192.0/24 56,532 2026-07-21 09:19:21
197.95.180.0/24 56,519 2026-07-21 09:19:21
197.95.178.0/24 56,497 2026-07-21 09:19:21
197.94.248.0/24 56,460 2026-07-21 09:19:21
197.94.53.0/24 56,458 2026-07-21 09:19:21
197.94.52.0/24 56,426 2026-07-21 09:19:21
197.94.253.0/24 56,419 2026-07-21 09:19:21
197.94.254.0/24 56,398 2026-07-21 09:19:21
197.94.251.0/24 56,383 2026-07-21 09:19:21
197.95.179.0/24 56,368 2026-07-21 09:19:21
197.94.249.0/24 56,325 2026-07-21 09:19:21
197.99.249.0/24 55,886 2026-07-21 09:20:10
197.87.160.0/24 55,848 2026-07-21 09:20:10
197.94.250.0/24 55,743 2026-07-21 09:19:21
197.83.248.0/24 55,738 2026-07-21 09:20:10
41.133.142.0/23 55,715 2026-07-21 09:20:10
197.94.243.0/24 55,383 2026-07-21 09:19:21
197.95.188.0/24 55,360 2026-07-21 09:19:21
197.97.20.0/22 55,352 2026-07-21 09:20:10
197.94.244.0/24 55,343 2026-07-21 09:19:21
197.94.241.0/24 55,307 2026-07-21 09:19:21
197.94.240.0/24 55,297 2026-07-21 09:19:21
197.94.245.0/24 55,288 2026-07-21 09:19:21
197.95.189.0/24 55,275 2026-07-21 09:19:21
197.94.246.0/24 55,258 2026-07-21 09:19:21
197.95.153.0/24 55,253 2026-07-21 09:19:21
197.95.154.0/24 55,247 2026-07-21 09:19:21
197.95.187.0/24 55,245 2026-07-21 09:19:21
197.94.242.0/24 55,244 2026-07-21 09:19:21

Showing top 50 of 1,348 announced prefixes by sample volume.

Frequently Asked Questions

What is AS20011?

AS20011 is an Autonomous System Number assigned to Dimension Data. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS20011 announce?

AS20011 announces 826.1K IPv4 addresses distributed across 364 routed CIDR prefixes. The network is registered in South Africa.

Who operates AS20011?

AS20011 is operated by Dimension Data. The organization is based in South Africa. You can view all IP ranges and related ASNs on the organization page.

What country is AS20011 registered in?

AS20011 is registered in South Africa. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-21 09:25:33 UTC
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