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Autonomous System

AS37154

Zambia Telecommunications Company Ltd aka ZAMTEL

Announced IPs
532,736
CIDR prefixes
3
ASN
AS37154

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.

58/100
Caution
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 5 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS37154 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)
41.72.98.0/24 AS37154, AS65262 2026-11-13 03:54:06
196.46.192.0/19 AS7420, AS37154 2026-11-13 03:54:06
41.72.122.0/24 AS37154, AS65262 2026-11-13 03:54:06
165.56.52.0/24 AS37154, AS65262 2026-11-13 03:54:06
165.56.53.0/24 AS37154, AS65262 2026-11-13 03:54:06

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 1-5Gbps
Geographic scope Regional
Traffic ratio Heavy Inbound
Peering policy Open
IRR record AS-37154

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
165.56.0.0/13 524.3K
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM Lusaka Province Lusaka
165.60.0.0/14 262.1K
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.58.0.0/15 131.1K
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM Lusaka Province Lusaka
165.57.0.0/16 65.5K
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM Lusaka Province Lusaka
165.56.128.0/17 32.8K
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM Lusaka Province Lusaka
165.56.64.0/18 16.4K
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM Lusaka Province Lusaka
41.72.96.0/19 8.2K
1.4%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM Lusaka Province Lusaka
165.56.32.0/19 8.2K
0.2%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM Lusaka Province Lusaka
165.56.16.0/20 4.1K
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM Lusaka Province Lusaka
165.56.0.0/21 2.0K
1.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.56.12.0/22 1.0K
0.2%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.56.8.0/23 512
0.6%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
102.210.99.0/24 256
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.56.10.0/24 256
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.56.11.128/25 128
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.56.11.64/26 64
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.56.11.32/27 32
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.56.11.0/28 16
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.56.11.16/29 8
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.56.11.28/30 4
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.56.11.26/31 2
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.56.11.24/32 1
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZM — —
165.56.11.25/32 1
0.0%
Zambia Telecommunications Company Ltd aka ZAMTEL ZA — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS37154 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
41.72.97.0/24 208,556 2026-11-13 03:35:49
165.57.80.0/24 204,530 2026-11-13 03:35:36
165.56.183.0/24 200,156 2026-11-13 03:35:49
165.57.81.0/24 199,647 2026-11-13 03:35:49
165.56.187.0/24 188,657 2026-11-13 03:35:49
165.56.186.0/24 166,383 2026-11-13 03:35:49
165.56.182.0/24 144,380 2026-11-13 03:35:49
165.56.0.0/24 140,926 2026-11-13 03:35:49
165.58.128.0/24 138,059 2026-11-13 03:35:49
165.56.54.0/24 136,714 2026-11-13 03:35:36
41.72.107.0/24 133,309 2026-11-13 03:37:15
165.56.8.0/24 133,290 2026-11-13 03:35:49
41.72.119.0/24 129,797 2026-11-13 03:35:49
41.72.114.0/24 128,998 2026-11-13 03:37:21
165.56.181.0/24 127,754 2026-11-13 03:35:36
41.72.124.0/24 127,102 2026-11-13 03:35:49
41.72.121.0/24 125,924 2026-11-13 03:35:49
165.56.12.0/24 123,168 2026-11-13 03:37:12
165.56.32.0/24 122,600 2026-11-13 03:35:49
165.56.62.0/24 121,093 2026-11-13 03:35:49
165.56.0.0/13 120,267 2026-11-13 03:05:58
165.56.64.0/24 120,083 2026-11-13 03:35:49
165.58.2.0/24 119,618 2026-11-13 03:35:36
165.56.9.0/24 119,038 2026-11-13 03:35:49
165.56.36.0/24 118,420 2026-11-13 03:35:49
41.72.113.0/24 118,359 2026-11-13 03:35:49
165.56.80.0/24 116,715 2026-10-29 11:59:00
165.56.16.0/24 116,626 2026-11-13 03:35:49
165.56.14.0/24 115,119 2026-11-13 03:37:12
41.72.111.0/24 113,496 2026-11-13 03:37:18
165.56.5.0/24 113,168 2026-11-13 03:35:49
165.56.7.0/24 111,949 2026-11-13 03:35:49
165.58.129.0/24 111,572 2026-11-13 02:11:39
41.72.98.0/24 110,809 2026-11-13 03:35:49
165.56.40.0/24 110,688 2026-11-13 03:35:51
41.72.116.0/24 110,274 2026-11-13 03:35:49
41.72.120.0/24 108,950 2026-11-13 03:35:49
41.72.118.0/24 108,564 2026-11-13 03:35:49
41.72.105.0/24 108,123 2026-11-13 03:35:49
41.72.125.0/24 107,907 2026-11-13 02:11:39
41.72.103.0/24 106,510 2026-11-13 03:35:49
41.72.106.0/24 105,395 2026-11-13 03:35:49
41.72.104.0/24 105,276 2026-11-13 03:35:49
41.72.122.0/24 103,400 2026-11-13 02:11:39
41.72.101.0/24 103,214 2026-11-13 03:35:49
41.72.102.0/24 103,138 2026-11-13 03:35:49
41.72.96.0/19 102,795 2026-11-13 03:35:49
102.210.99.0/24 102,476 2026-11-13 03:35:36
41.72.115.0/24 101,342 2026-11-13 02:11:39
165.56.128.0/24 100,871 2026-11-13 03:35:36

Showing top 50 of 110 announced prefixes by sample volume.

Frequently Asked Questions

What is AS37154?

AS37154 is an Autonomous System Number assigned to Zambia Telecommunications Company Ltd aka ZAMTEL. 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 AS37154 announce?

AS37154 announces 532.7K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Zambia.

Who operates AS37154?

AS37154 is operated by Zambia Telecommunications Company Ltd aka ZAMTEL. The organization is based in Zambia. You can view all IP ranges and related ASNs on the organization page.

What country is AS37154 registered in?

AS37154 is registered in Zambia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 03:54:06 UTC
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