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Autonomous System

AS3741

Dimension Data

Announced IPs
2,609,920
CIDR prefixes
482
ASN
AS3741

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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 20 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS3741 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)
168.210.210.0/23 AS3741, AS20011 2026-10-15 01:44:07
160.48.234.0/24 AS3741, AS65375 2026-10-15 01:44:07
168.210.88.0/21 AS3741, AS20011 2026-10-15 01:44:07
168.210.104.0/21 AS3741, AS20011 2026-10-15 01:44:07
168.210.48.0/20 AS3741, AS20011 2026-10-15 01:44:07
197.101.124.0/22 AS3741, AS20011 2026-10-15 01:44:07
197.101.220.0/22 AS3741, AS20011 2026-10-15 01:44:07
197.101.196.0/22 AS3741, AS20011 2026-10-15 01:44:07
197.101.216.0/22 AS3741, AS20011 2026-10-15 01:44:07
168.210.212.0/22 AS3741, AS20011 2026-10-15 01:44:07
197.101.78.0/23 AS3741, AS20011 2026-10-15 01:44:07
197.101.82.0/23 AS3741, AS20011 2026-10-15 01:44:07
197.80.100.0/24 AS3741, AS10474 2026-10-15 01:44:07
41.204.10.0/24 AS3741, AS32398 2026-10-15 01:44:07
168.210.236.0/22 AS3741, AS20011 2026-10-15 01:29:07

Showing the 15 most recently detected of 20 MOAS prefixes. Many multi-origin prefixes on large networks are benign (anycast); see all MOAS anomalies.

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 200-300Gbps
Geographic scope Global
Traffic ratio Balanced
Peering policy Selective
IRR record RADB::AS-IS

Present at 10 internet exchanges: JINX: JINX Peering, LINX LON1: Main, CINX: CINX Peering, LINX LON2, NAPAfrica IX Johannesburg: Peering, NAPAfrica IX Cape Town, DINX: DINX Peering, NAPAfrica IX Durban, HKIX: HKIX Peering LAN, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
196.212.0.0/14 262.1K
32.4%
NTT Data Inc ZA North West Rustenburg
164.148.0.0/15 131.1K
0.0%
NTT Data Inc ZA — —
196.34.0.0/15 131.1K
8.2%
Dimension Data ZA Gauteng Pretoria
139.53.0.0/16 65.5K
0.0%
NTT Data Inc ZA — —
155.234.0.0/16 65.5K
12.4%
NTT Data Inc ZA — —
155.237.0.0/16 65.5K
0.0%
NTT Data Inc ZA — —
156.8.0.0/16 65.5K
0.0%
NTT Data Inc ZA — —
163.203.0.0/16 65.5K
0.0%
NTT Data Inc ZA — —
164.150.0.0/16 65.5K
0.0%
NTT Data Inc ZA — —
168.89.0.0/16 65.5K
0.0%
Dimension Data ZA — —
168.142.0.0/16 65.5K
0.1%
NTT Data Inc ZA Gauteng Johannesburg
168.209.0.0/16 65.5K
6.9%
NTT Data Inc ZA — —
196.14.0.0/16 65.5K
6.2%
NTT Data Inc ZA Western Cape Cape Town
196.23.0.0/16 65.5K
27.4%
NTT Data Inc ZA Western Cape Cape Town
196.26.0.0/16 65.5K
6.9%
Dimension Data ZA Gauteng Johannesburg
196.33.0.0/16 65.5K
5.0%
NTT Data Inc ZA Gauteng Alberton
196.34.0.0/16 65.5K
6.9%
NTT Data Inc ZA Gauteng Pretoria
196.36.0.0/16 65.5K
7.8%
NTT Data Inc ZA Gauteng Johannesburg
196.211.0.0/16 65.5K
12.5%
NTT Data Inc ZA Western Cape Cape Town
197.96.0.0/16 65.5K
2.8%
NTT Data Inc ZA Gauteng Randburg
197.100.0.0/16 65.5K
5.1%
NTT Data Inc ZA Gauteng Pretoria
197.102.0.0/16 65.5K
0.0%
Dimension Data ZA Gauteng Midrand
197.103.0.0/16 65.5K
0.1%
NTT Data Inc ZA Gauteng Johannesburg
155.240.0.0/17 32.8K
0.1%
NTT Data Inc ZA — —
160.123.0.0/17 32.8K
0.0%
NTT Data Inc ZA — —
165.4.128.0/17 32.8K
0.0%
Dimension Data ZA — —
168.89.128.0/17 32.8K
0.0%
NTT Data Inc ZA — —
196.14.0.0/17 32.8K
6.3%
Dimension Data ZA KwaZulu-Natal Durban
196.26.0.0/17 32.8K
7.4%
NTT Data Inc ZA Gauteng Johannesburg
196.35.128.0/17 32.8K
9.5%
NTT Data Inc ZA Western Cape Cape Town
196.37.0.0/17 32.8K
6.9%
Dimension Data ZA Gauteng Johannesburg
196.37.128.0/17 32.8K
8.9%
NTT Data Inc ZA Gauteng Johannesburg
196.38.0.0/17 32.8K
6.8%
NTT Data Inc ZA Gauteng Kempton Park
196.208.128.0/17 32.8K
81.5%
NTT Data Inc ZA Gauteng Johannesburg
197.97.128.0/17 32.8K
3.0%
NTT Data Inc ZA Eastern Cape East London
197.98.0.0/17 32.8K
5.6%
Dimension Data ZA Eastern Cape East London
197.98.128.0/17 32.8K
22.1%
Dimension Data ZA Free State Bethlehem
197.99.0.0/17 32.8K
99.7%
NTT Data Inc ZA Gauteng Johannesburg
197.102.128.0/17 32.8K
0.0%
NTT Data Inc ZA Gauteng Pretoria
197.103.128.0/17 32.8K
0.0%
Dimension Data ZA Gauteng Johannesburg
160.123.128.0/18 16.4K
0.0%
NTT Data Inc ZA — —
165.4.64.0/18 16.4K
0.0%
Dimension Data ZA — —
168.209.0.0/18 16.4K
1.3%
Dimension Data ZA — —
196.14.128.0/18 16.4K
6.5%
Dimension Data ZA — —
196.26.128.0/18 16.4K
4.6%
NTT Data Inc ZA Free State Bloemfontein
196.33.0.0/18 16.4K
6.4%
Dimension Data ZA — —
196.33.128.0/18 16.4K
5.5%
Dimension Data ZA Gauteng Johannesburg
196.35.64.0/18 16.4K
13.5%
NTT Data Inc ZA Gauteng Strathavon
196.37.64.0/18 16.4K
6.2%
NTT Data Inc ZA Gauteng Johannesburg
196.37.128.0/18 16.4K
8.0%
Dimension Data ZA Gauteng Johannesburg
196.38.192.0/18 16.4K
6.1%
NTT Data Inc ZA Gauteng Johannesburg
197.84.192.0/18 16.4K
0.5%
NTT Data Inc ZA Western Cape Cape Town
197.97.64.0/18 16.4K
13.8%
NTT Data Inc ZA Mpumalanga Middelburg
197.97.128.0/18 16.4K
1.1%
Dimension Data ZA Eastern Cape East London
197.98.64.0/18 16.4K
7.4%
Dimension Data ZA Eastern Cape East London
197.98.192.0/18 16.4K
28.2%
Dimension Data ZA Gauteng Johannesburg
197.99.128.0/18 16.4K
99.7%
NTT Data Inc ZA Gauteng Johannesburg
197.101.0.0/18 16.4K
99.9%
NTT Data Inc ZA Gauteng Johannesburg
197.102.64.0/18 16.4K
0.1%
NTT Data Inc ZA Gauteng Midrand
197.103.64.0/18 16.4K
0.0%
Dimension Data ZA Gauteng Johannesburg
155.240.128.0/19 8.2K
0.2%
NTT Data Inc ZA — —
165.4.32.0/19 8.2K
0.0%
Dimension Data ZA — —
168.89.32.0/19 8.2K
0.0%
NTT Data Inc ZA — —
168.89.96.0/19 8.2K
0.0%
NTT Data Inc ZA — —
168.209.96.0/19 8.2K
3.4%
Dimension Data ZA — —
168.209.160.0/19 8.2K
3.8%
Dimension Data ZA — —
168.209.192.0/19 8.2K
8.7%
Dimension Data ZA — —
196.10.160.0/19 8.2K
0.0%
NTT Data Inc ZA — —
196.14.192.0/19 8.2K
5.4%
Dimension Data ZA — —
196.26.192.0/19 8.2K
15.4%
NTT Data Inc ZA Free State Bloemfontein
196.33.64.0/19 8.2K
2.0%
Dimension Data ZA — —
196.35.0.0/19 8.2K
2.1%
NTT Data Inc ZA — —
196.37.0.0/19 8.2K
8.7%
NTT Data Inc ZA Gauteng Johannesburg
196.37.224.0/19 8.2K
11.4%
Dimension Data ZA Gauteng Johannesburg
196.38.160.0/19 8.2K
9.8%
NTT Data Inc ZA Western Cape Cape Town
196.208.96.0/19 8.2K
25.8%
Dimension Data ZA Gauteng Johannesburg
196.209.0.0/19 8.2K
99.2%
NTT Data Inc ZA — —
196.209.224.0/19 8.2K
99.3%
NTT Data Inc ZA Gauteng Johannesburg
197.97.32.0/19 8.2K
56.3%
NTT Data Inc ZA Gauteng Centurion
197.97.224.0/19 8.2K
2.4%
Dimension Data ZA Eastern Cape East London
197.98.32.0/19 8.2K
6.7%
Dimension Data ZA Eastern Cape East London
197.98.160.0/19 8.2K
3.7%
Dimension Data ZA Free State Bethlehem
197.99.192.0/19 8.2K
99.8%
NTT Data Inc ZA Gauteng Johannesburg
197.101.224.0/19 8.2K
99.9%
NTT Data Inc ZA Western Cape Cape Town
197.102.32.0/19 8.2K
0.1%
NTT Data Inc ZA — —
197.103.0.0/19 8.2K
0.0%
Dimension Data ZA Gauteng Johannesburg
152.111.16.0/20 4.1K
0.8%
NTT Data Inc ZA — —
160.123.208.0/20 4.1K
0.5%
NTT Data Inc ZA — —
168.89.0.0/20 4.1K
0.2%
NTT Data Inc ZA — —
168.89.80.0/20 4.1K
0.0%
NTT Data Inc ZA — —
168.209.64.0/20 4.1K
0.0%
Dimension Data ZA — —
168.209.144.0/20 4.1K
17.0%
Dimension Data ZA — —
168.209.224.0/20 4.1K
24.6%
Dimension Data ZA — —
196.1.32.0/20 4.1K
0.0%
NTT Data Inc ZA — —
196.4.224.0/20 4.1K
6.1%
NTT Data Inc ZA — —
196.12.16.0/20 4.1K
0.0%
NTT Data Inc ZA — —
196.14.224.0/20 4.1K
4.2%
Dimension Data ZA — —
196.22.32.0/20 4.1K
0.0%
NTT Data Inc ZA — —
196.26.240.0/20 4.1K
0.0%
NTT Data Inc ZA — —
196.33.112.0/20 4.1K
5.8%
Dimension Data ZA — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS3741 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
41.204.10.0/24 357,042 2026-10-15 01:44:53
196.14.54.0/24 134,077 2026-10-15 00:46:11
196.33.176.0/24 133,895 2026-10-15 00:46:11
196.33.177.0/24 133,842 2026-10-15 00:46:11
160.48.234.0/24 128,527 2026-10-15 00:47:02
45.149.227.0/24 123,544 2026-10-15 00:55:18
192.96.1.0/24 118,014 2026-10-15 00:55:19
196.2.49.0/24 114,816 2026-10-15 00:55:20
196.2.151.0/24 114,471 2026-10-15 00:55:20
196.2.48.0/24 113,956 2026-10-15 00:55:20
168.142.128.0/24 113,638 2026-10-15 00:51:02
196.2.53.0/24 113,512 2026-10-15 00:55:20
168.142.116.0/22 113,507 2026-10-15 00:51:02
196.2.61.0/24 113,504 2026-10-15 00:55:20
168.142.120.0/22 113,490 2026-10-15 00:51:02
196.2.55.0/24 113,408 2026-10-15 00:55:20
196.2.63.0/24 113,394 2026-10-15 00:55:20
196.2.62.0/24 113,374 2026-10-15 00:55:20
196.2.57.0/24 113,356 2026-10-15 00:55:20
168.142.132.0/22 113,356 2026-10-15 00:51:02
196.2.154.0/24 113,254 2026-10-15 00:55:20
196.2.155.0/24 113,220 2026-10-15 00:55:20
196.2.156.0/24 113,197 2026-10-15 00:55:20
196.2.157.0/24 113,169 2026-10-15 00:55:20
197.84.242.0/24 112,899 2026-10-15 00:46:12
163.199.108.0/22 111,801 2026-10-15 00:47:02
163.199.104.0/22 111,661 2026-10-15 00:47:02
163.199.101.0/24 111,621 2026-10-15 00:47:02
163.199.99.0/24 111,585 2026-10-15 00:47:02
197.85.7.0/24 110,588 2026-10-15 00:46:15
197.85.184.0/23 110,507 2026-10-15 00:46:15
197.86.50.0/24 110,441 2026-10-15 00:46:15
197.84.161.0/24 110,326 2026-10-15 00:46:15
197.86.12.0/24 110,314 2026-10-15 00:46:15
197.86.16.0/20 110,268 2026-10-15 00:46:15
197.86.13.0/24 110,177 2026-10-15 00:46:15
196.28.174.0/24 110,111 2026-10-15 00:55:18
196.2.46.0/24 109,948 2026-10-15 00:55:18
196.28.136.0/22 109,824 2026-10-15 00:55:18
196.28.136.0/24 109,749 2026-10-15 00:55:18
196.41.132.0/24 109,613 2026-10-15 00:55:18
196.6.133.0/24 109,604 2026-10-15 00:55:18
197.80.100.0/24 109,583 2026-10-15 00:46:12
197.86.48.0/24 109,401 2026-10-15 00:46:15
197.86.15.0/24 109,347 2026-10-15 00:46:15
196.6.136.0/24 109,317 2026-10-15 00:55:18
197.86.34.0/24 109,202 2026-10-15 00:46:15
197.86.4.0/24 109,147 2026-10-15 00:46:15
196.6.165.0/24 109,146 2026-10-15 00:55:18
197.86.35.0/24 109,129 2026-10-15 00:46:15

Showing top 50 of 626 announced prefixes by sample volume.

Frequently Asked Questions

What is AS3741?

AS3741 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 AS3741 announce?

AS3741 announces 2.61M IPv4 addresses distributed across 482 routed CIDR prefixes. The network is registered in South Africa.

Who operates AS3741?

AS3741 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 AS3741 registered in?

AS3741 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: 2026-10-15 01:39:05 UTC
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