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Autonomous System

AS37451

CONGO TELECOM

Announced IPs
9,472
CIDR prefixes
11
ASN
AS37451

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 →

⚠ 2 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS37451 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)
154.53.208.0/24 AS37451, AS328500 2026-11-07 06:38:13
102.129.87.0/24 AS37451, AS211612 2026-11-07 06:38:13

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 1-5Tbps
Geographic scope Global
Traffic ratio Not Disclosed
Peering policy Selective
IRR record AS-CONGOTELECOM

Present at 4 internet exchanges: NAPAfrica IX Johannesburg: Peering, IXPN Lagos, CGIX-BZV, KINIX

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
102.129.64.0/20 4.1K
0.1%
CONGO TELECOM CG Brazzaville Brazzaville
102.129.72.0/21 2.0K
0.3%
CONGO TELECOM CG Brazzaville Brazzaville
102.129.68.0/22 1.0K
0.0%
CONGO TELECOM CG Brazzaville Brazzaville
102.129.84.0/22 1.0K
0.8%
CONGO TELECOM CG — —
102.129.88.0/22 1.0K
0.5%
CONGO TELECOM CG — —
154.53.208.0/22 1.0K
0.9%
CONGO TELECOM CG — —
197.157.252.0/22 1.0K
0.1%
CONGO TELECOM CG — —
102.129.84.0/23 512
1.6%
CONGO TELECOM CG — —
102.129.92.0/23 512
0.2%
CONGO TELECOM CG Pointe-Noire Pointe-Noire
154.53.210.0/23 512
0.0%
CONGO TELECOM US — —
102.129.64.0/24 256
0.0%
CONGO TELECOM GB England Canary Wharf
102.129.65.0/24 256
0.0%
CONGO TELECOM CG Brazzaville Brazzaville
102.129.67.0/24 256
0.0%
CONGO TELECOM CG — —
102.129.81.0/24 256
0.0%
CONGO TELECOM CG — —
102.129.82.0/24 256
0.0%
CONGO TELECOM CG — —
102.129.87.0/24 256
0.0%
CONGO TELECOM CG — —
102.129.94.0/24 256
0.0%
CONGO TELECOM CG — —
102.213.232.0/24 256
0.0%
CONGO TELECOM CG — —
154.53.209.0/24 256
0.0%
CONGO TELECOM US — —
102.129.66.128/25 128
0.0%
CONGO TELECOM CG — —
102.129.86.128/25 128
0.0%
CONGO TELECOM CG — —
102.129.66.64/26 64
0.0%
CONGO TELECOM CG — —
102.129.86.64/26 64
0.0%
CONGO TELECOM CG — —
102.129.66.32/27 32
0.0%
CONGO TELECOM CG — —
102.129.86.32/27 32
0.0%
CONGO TELECOM CG — —
102.129.66.16/28 16
0.0%
CONGO TELECOM CG — —
102.129.86.16/28 16
0.0%
CONGO TELECOM CG — —
102.129.66.8/29 8
0.0%
CONGO TELECOM CG — —
102.129.86.8/29 8
0.0%
CONGO TELECOM CG — —
102.129.86.4/30 4
0.0%
CONGO TELECOM CG — —
102.129.66.2/31 2
0.0%
CONGO TELECOM CG — —
102.129.66.6/31 2
0.0%
CONGO TELECOM CG — —
102.129.86.2/31 2
0.0%
CONGO TELECOM CG — —
102.129.66.0/32 1
0.0%
CONGO TELECOM CG — —
102.129.66.1/32 1
0.0%
CONGO TELECOM GB — —
102.129.66.4/32 1
0.0%
CONGO TELECOM CG — —
102.129.66.5/32 1
0.0%
CONGO TELECOM GB — —
102.129.86.0/32 1
0.0%
CONGO TELECOM CG — —
102.129.86.1/32 1
0.0%
CONGO TELECOM NG — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS37451 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
102.129.93.0/24 258,389 2026-11-07 00:37:23
102.129.71.0/24 257,665 2026-11-07 00:37:42
102.129.90.0/24 233,480 2026-11-07 00:37:22
102.129.69.0/24 231,511 2026-11-07 00:37:02
102.129.77.0/24 230,479 2026-11-07 00:37:02
102.129.70.0/24 229,515 2026-11-07 00:37:27
102.129.79.0/24 227,193 2026-11-07 00:37:02
102.129.88.0/24 226,547 2026-11-07 00:37:02
197.157.254.0/24 222,936 2026-11-07 00:37:02
197.157.252.0/24 218,348 2026-11-07 00:37:38
102.129.68.0/24 215,077 2026-11-07 00:37:02
154.53.209.0/24 213,143 2026-11-07 00:37:23
197.157.253.0/24 207,531 2026-11-07 00:37:02
154.53.210.0/24 202,009 2026-11-07 00:37:23
102.213.232.0/24 201,933 2026-11-07 00:37:55
102.129.78.0/24 200,841 2026-11-07 00:37:02
102.129.89.0/24 194,298 2026-11-07 00:37:22
102.129.67.0/24 192,325 2026-11-07 00:37:02
102.129.84.0/24 187,838 2026-11-07 00:37:23
102.129.75.0/24 187,391 2026-11-07 00:37:42
197.157.255.0/24 185,787 2026-11-07 00:37:38
102.129.85.0/24 175,524 2026-11-07 00:37:42
102.129.81.0/24 173,925 2026-11-07 00:37:42
154.53.211.0/24 164,966 2026-11-07 00:37:23
102.129.76.0/24 148,380 2026-11-07 00:37:22
102.129.94.0/24 148,038 2026-11-07 00:37:02
102.129.74.0/24 145,845 2026-11-07 00:37:23
102.129.73.0/24 144,917 2026-11-07 00:37:55
102.129.72.0/24 144,840 2026-11-07 00:37:55
102.129.92.0/24 144,837 2026-11-07 00:37:02
102.129.91.0/24 137,209 2026-11-07 00:37:22
102.129.82.0/24 121,191 2026-11-07 00:37:42
102.129.87.0/24 118,635 2026-11-07 00:37:23
102.129.86.0/24 69,200 2026-11-07 00:37:10
154.53.208.0/24 57,235 2026-11-06 17:36:22
102.129.64.0/24 29,424 2026-11-07 00:37:12
102.129.65.0/24 18,102 2026-11-06 19:56:26
102.129.66.0/24 16,595 2026-11-06 19:56:26
102.129.80.0/24 72 2026-05-29 18:29:15

Frequently Asked Questions

What is AS37451?

AS37451 is an Autonomous System Number assigned to CONGO TELECOM. 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 AS37451 announce?

AS37451 announces 9.5K IPv4 addresses distributed across 11 routed CIDR prefixes. The network is registered in Congo Republic.

Who operates AS37451?

AS37451 is operated by CONGO TELECOM. The organization is based in Congo Republic. You can view all IP ranges and related ASNs on the organization page.

What country is AS37451 registered in?

AS37451 is registered in Congo Republic. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-07 06:39:05 UTC
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