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Autonomous System

AS37451

CONGO TELECOM

Announced IPs
8,960
CIDR prefixes
16
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.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 50-100Gbps
Geographic scope Global
Traffic ratio Not Disclosed
Peering policy Selective
IRR record AS-CONGOTELECOM

Present at 2 internet exchanges: NAPAfrica IX Johannesburg: Peering, CGIX-BZV

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
102.129.72.0/21 2.0K
0.1%
CongoTelecom CG Brazzaville Brazzaville
102.129.68.0/22 1.0K
0.0%
CongoTelecom CG Brazzaville Brazzaville
102.129.88.0/22 1.0K
1.0%
CongoTelecom CG
154.53.208.0/22 1.0K
0.0%
CongoTelecom US
197.157.252.0/22 1.0K
0.2%
CongoTelecom CG
102.129.66.0/23 512
0.0%
CongoTelecom CG Brazzaville Brazzaville
102.129.84.0/23 512
1.4%
CongoTelecom CG
102.129.92.0/23 512
0.2%
CongoTelecom CG
154.53.210.0/23 512
0.0%
CONGO TELECOM US
197.157.254.0/23 512
0.0%
CONGO TELECOM CG
102.129.64.0/24 256
0.0%
CongoTelecom CG
102.129.65.0/24 256
0.0%
CONGO TELECOM CG Brazzaville Brazzaville
102.129.81.0/24 256
0.0%
CongoTelecom CG Brazzaville Brazzaville
102.129.82.0/24 256
0.0%
CongoTelecom CG Pointe-Noire Pointe-Noire
102.129.92.0/24 256
0.0%
CongoTelecom CG
102.129.94.0/24 256
0.0%
CongoTelecom CG
102.213.232.0/24 256
0.0%
CongoTelecom CG
154.53.209.0/24 256
0.0%
CONGO TELECOM US
197.157.252.0/24 256
0.0%
CONGO TELECOM CG
102.129.64.128/25 128
0.0%
CONGO TELECOM CG
197.157.253.0/25 128
0.0%
CONGO TELECOM CG
102.129.64.64/26 64
0.0%
CONGO TELECOM CG
197.157.253.128/26 64
0.0%
CONGO TELECOM CG
102.129.64.32/27 32
0.0%
CONGO TELECOM CG
197.157.253.192/27 32
0.0%
CONGO TELECOM CG
102.129.64.16/28 16
0.0%
CONGO TELECOM CG
197.157.253.224/28 16
0.0%
CONGO TELECOM CG
102.129.64.8/29 8
0.0%
CONGO TELECOM CG
197.157.253.248/29 8
0.0%
CONGO TELECOM CG
102.129.64.4/30 4
0.0%
CONGO TELECOM CG
197.157.253.240/30 4
0.0%
CONGO TELECOM CG
102.129.64.2/31 2
0.0%
CONGO TELECOM CG
197.157.253.244/31 2
0.0%
CONGO TELECOM CG
102.129.64.0 1
0.0%
CONGO TELECOM CG
102.129.64.1 1
0.0%
CONGO TELECOM GB
197.157.253.246 1
0.0%
CONGO TELECOM CD
197.157.253.247 1
0.0%
CONGO TELECOM CG

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
102.129.93.0/24 139,330 2026-07-23 21:33:19
102.129.71.0/24 123,255 2026-07-23 22:48:25
102.129.68.0/24 108,062 2026-07-23 21:28:13
102.129.70.0/24 102,855 2026-07-23 21:28:13
102.129.69.0/24 101,241 2026-07-23 21:28:13
102.129.77.0/24 100,317 2026-07-23 21:28:13
197.157.254.0/24 99,486 2026-07-23 21:29:48
102.129.79.0/24 97,095 2026-07-23 21:28:12
102.129.88.0/24 96,831 2026-07-23 21:35:23
197.157.252.0/24 96,748 2026-07-23 21:28:13
102.129.78.0/24 94,742 2026-07-23 21:28:13
102.129.89.0/24 94,648 2026-07-23 21:35:59
197.157.253.0/24 92,635 2026-07-23 21:28:34
102.129.67.0/24 91,181 2026-07-23 21:28:12
197.157.255.0/24 90,063 2026-07-23 21:30:37
154.53.209.0/24 88,545 2026-07-23 21:28:12
102.129.84.0/24 88,061 2026-07-23 21:38:13
102.129.85.0/24 87,773 2026-07-23 21:39:14
154.53.210.0/24 80,103 2026-07-23 21:28:13
102.213.232.0/24 79,836 2026-07-23 21:39:07
102.129.75.0/24 72,136 2026-07-23 22:48:25
102.129.81.0/24 67,238 2026-07-23 21:28:13
102.129.90.0/24 65,545 2026-07-23 21:36:34
154.53.211.0/24 52,447 2026-07-23 21:28:13
102.129.94.0/24 47,893 2026-07-23 21:33:59
102.129.82.0/24 46,596 2026-07-23 21:36:47
102.129.76.0/24 46,064 2026-07-23 21:28:14
102.129.74.0/24 45,316 2026-07-23 21:28:12
102.129.72.0/24 45,224 2026-07-23 21:28:12
102.129.73.0/24 45,223 2026-07-23 21:28:12
102.129.91.0/24 44,943 2026-07-23 21:31:59
102.129.92.0/24 44,549 2026-07-23 21:32:40
102.129.87.0/24 32,907 2026-06-27 13:09:22
102.129.64.0/24 17,406 2026-07-23 22:46:57
154.53.208.0/24 15,977 2026-07-19 15:58:58
102.129.65.0/24 9,874 2026-07-23 11:48:26
102.129.66.0/24 9,085 2026-07-23 22:48:28
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 9.0K IPv4 addresses distributed across 16 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: 2026-07-23 23:25:31 UTC
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