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Autonomous System

AS25543

ONATEL (Office National des Telecommunications, PTT)

Announced IPs
29,184
CIDR prefixes
7
ASN
AS25543

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.

70/100
Moderate
How this score is built

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

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
41.138.96.0/19 8.2K
0.1%
Onatel BF Centre Ouagadougou
212.52.128.0/19 8.2K
4.2%
Onatel BF
41.203.224.0/20 4.1K
0.0%
Onatel BF
154.66.160.0/20 4.1K
0.2%
Onatel BF Centre Ouagadougou
196.28.240.0/20 4.1K
7.9%
Onatel BF Centre Ouagadougou
192.136.55.0/24 256
0.0%
Onatel BF
206.82.130.0/24 256
3.5%
Onatel US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS25543 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
196.28.249.0/24 32,480 2026-07-18 10:53:08
196.28.248.0/21 30,513 2026-07-18 10:53:08
41.203.224.0/21 30,507 2026-07-18 10:53:08
196.28.248.0/22 30,502 2026-07-18 10:53:08
196.28.251.0/24 30,498 2026-07-18 10:53:08
196.28.252.0/24 30,459 2026-07-18 10:53:08
196.28.250.0/24 30,441 2026-07-18 10:53:08
196.28.248.0/24 30,436 2026-07-18 10:53:08
196.28.248.0/23 30,397 2026-07-18 10:53:08
41.203.224.0/24 30,386 2026-07-18 10:53:08
41.203.230.0/24 30,386 2026-07-18 10:53:08
196.28.246.0/24 30,376 2026-07-18 10:53:08
41.203.226.0/24 30,372 2026-07-18 10:53:08
41.203.227.0/24 30,357 2026-07-18 10:53:08
41.203.232.0/21 30,350 2026-07-18 10:53:08
41.203.231.0/24 30,324 2026-07-18 10:53:08
41.203.228.0/24 30,312 2026-07-18 10:53:08
41.203.229.0/24 30,284 2026-07-18 10:53:08
41.203.225.0/24 30,267 2026-07-18 10:53:08
41.138.99.0/24 25,698 2026-07-18 10:53:08
41.138.105.0/24 23,780 2026-07-18 10:53:08
41.138.113.0/24 23,683 2026-07-18 10:53:08
41.138.112.0/21 23,681 2026-07-18 10:53:08
41.138.114.0/24 23,680 2026-07-18 10:53:08
41.138.108.0/24 23,669 2026-07-18 10:53:08
41.138.96.0/24 23,648 2026-07-18 10:53:08
41.138.104.0/24 23,624 2026-07-18 10:53:08
41.138.96.0/20 23,607 2026-07-18 10:53:08
41.138.100.0/22 23,593 2026-07-18 10:53:08
41.138.96.0/21 23,592 2026-07-18 10:53:08
154.66.162.0/24 21,652 2026-07-18 10:53:08
192.136.55.0/24 21,492 2026-07-18 10:53:08
154.66.166.0/24 21,320 2026-07-18 10:53:08
154.66.163.0/24 20,403 2026-07-18 10:53:08
154.66.175.0/24 20,363 2026-07-18 10:53:08
154.66.167.0/24 20,358 2026-07-18 10:53:08
154.66.168.0/22 20,346 2026-07-18 10:53:08
154.66.165.0/24 20,345 2026-07-18 10:53:08
154.66.173.0/24 20,319 2026-07-18 10:53:08
154.66.170.0/23 20,301 2026-07-18 10:53:08
212.52.148.0/24 17,935 2026-07-18 10:51:59
212.52.143.0/24 17,888 2026-07-18 10:51:59
212.52.128.0/24 17,855 2026-07-18 10:51:59
212.52.148.0/22 17,847 2026-07-18 10:51:59
212.52.133.0/24 17,829 2026-07-18 10:51:59
212.52.141.0/24 17,827 2026-07-18 10:51:59
212.52.136.0/22 17,816 2026-07-18 10:51:59
212.52.154.0/24 17,807 2026-07-18 10:51:59
212.52.128.0/20 17,796 2026-07-18 10:51:59
212.52.137.0/24 17,789 2026-07-18 10:51:59

Showing top 50 of 100 announced prefixes by sample volume.

Frequently Asked Questions

What is AS25543?

AS25543 is an Autonomous System Number assigned to ONATEL (Office National des Telecommunications, PTT). 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 AS25543 announce?

AS25543 announces 29.2K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Burkina Faso.

Who operates AS25543?

AS25543 is operated by ONATEL (Office National des Telecommunications, PTT). The organization is based in Burkina Faso. You can view all IP ranges and related ASNs on the organization page.

What country is AS25543 registered in?

AS25543 is registered in Burkina Faso. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 11:25:31 UTC
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