Autonomous System

AS37100

SEACOM Limited

SEACOM Limited Mauritius 🌐 seacom.com

Announced IPs

1,072,896

CIDR prefixes

ASN

AS37100

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.

65/100

Moderate

How this score is built

Baseline (neutral) 65
Trust score 65 / 100

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

About SEACOM

SEACOM launched Africa's first broadband submarine cable system along the continent's Southern coasts in 2009. SEACOM is privately owned and operated.

Summary from Wikipedia, CC BY-SA 4.0 · Data from Wikidata

Network profile

Source: PeeringDB →

Network type NSP

Traffic level 1-5Tbps

Geographic scope Global

Traffic ratio Mostly Inbound

Peering policy Selective

IRR record AFRINIC::AS-SET-SEACOM

Present at 16 internet exchanges: NAPAfrica IX Johannesburg: Peering, LINX LON1: Main, AMS-IX, NAPAfrica IX Cape Town, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN, France-IX Marseille, KIXP - Nairobi: Peering LAN, UIXP, France-IX Paris, NAPAfrica IX Durban, …

Website ↗ Looking glass ↗

Top CIDR ranges

CIDR	IPs	PTR Density	Organization	Country	State	City
105.16.0.0/12	1.05M	0.8%	SEACOM-AS	MU	—	—
105.17.0.0/17	32.8K	0.0%	—	MU	—	—
105.19.128.0/17	32.8K	0.0%	—	MU	—	—
105.24.0.0/17	32.8K	0.0%	—	MU	—	—
105.30.0.0/17	32.8K	0.0%	—	ZA	Gauteng	Pretoria
105.16.192.0/18	16.4K	0.0%	—	MU	—	—
105.18.64.0/18	16.4K	0.0%	—	ZA	Gauteng	Johannesburg
105.18.192.0/18	16.4K	0.0%	—	MU	—	—
105.20.0.0/18	16.4K	0.0%	—	MU	—	—
105.20.192.0/18	16.4K	0.0%	—	MU	—	—
105.22.0.0/18	16.4K	0.0%	—	ZA	KwaZulu-Natal	Mtunzini
105.22.192.0/18	16.4K	0.0%	—	MU	—	—
105.23.0.0/18	16.4K	0.0%	—	MU	—	—
105.23.128.0/18	16.4K	0.0%	—	MU	—	—
105.24.192.0/18	16.4K	0.0%	—	MU	—	—
105.25.0.0/18	16.4K	0.0%	—	MU	—	—
105.25.64.0/18	16.4K	0.0%	—	KE	Nairobi County	Nairobi
105.26.192.0/18	16.4K	0.0%	—	MU	—	—
105.27.0.0/18	16.4K	0.0%	—	KE	—	—
105.29.0.0/18	16.4K	0.0%	—	MU	—	—
105.31.0.0/18	16.4K	0.0%	—	MU	—	—
105.31.128.0/18	16.4K	0.0%	—	MU	—	—
41.87.96.0/19	8.2K	0.9%	SEACOM-AS	MU	—	—
41.206.96.0/19	8.2K	22.1%	SEACOM-AS	MU	—	—
105.16.64.0/19	8.2K	0.0%	—	MU	—	—
105.17.128.0/19	8.2K	0.0%	—	MU	—	—
105.17.192.0/19	8.2K	0.0%	—	MU	—	—
105.18.160.0/19	8.2K	0.0%	—	MU	—	—
105.19.0.0/19	8.2K	0.0%	—	MU	—	—
105.19.96.0/19	8.2K	0.0%	—	MU	—	—
105.20.64.0/19	8.2K	0.0%	—	MU	—	—
105.20.160.0/19	8.2K	0.0%	—	MU	—	—
105.21.128.0/19	8.2K	0.0%	—	DJ	Djibouti	Djibouti
105.21.160.0/19	8.2K	0.0%	—	TZ	Dar es Salaam Region	Dar es Salaam
105.22.64.0/19	8.2K	0.0%	—	ZA	Western Cape	Cape Town
105.23.64.0/19	8.2K	0.0%	—	ZA	Eastern Cape	Port Elizabeth
105.23.96.0/19	8.2K	0.0%	—	MU	—	—
105.23.192.0/19	8.2K	0.0%	—	MU	—	—
105.23.224.0/19	8.2K	0.0%	—	ZA	KwaZulu-Natal	Durban
105.24.128.0/19	8.2K	0.0%	—	TZ	Dar es Salaam Region	Dar es Salaam
105.24.160.0/19	8.2K	0.0%	—	ZA	Western Cape	Cape Town
105.25.128.0/19	8.2K	0.0%	—	ZA	Gauteng	Johannesburg
105.25.192.0/19	8.2K	0.0%	—	ZA	Gauteng	Johannesburg
105.26.0.0/19	8.2K	0.0%	—	MU	—	—
105.26.32.0/19	8.2K	0.0%	—	IN	—	—
105.26.128.0/19	8.2K	0.0%	—	DE	Hesse	Frankfurt am Main
105.26.160.0/19	8.2K	0.0%	—	MU	—	—
105.28.32.0/19	8.2K	0.0%	—	TZ	Dar es Salaam Region	Dar es Salaam
105.28.96.0/19	8.2K	0.0%	—	ZA	Western Cape	Cape Town
105.28.192.0/19	8.2K	0.0%	—	TZ	—	—
105.29.64.0/19	8.2K	0.0%	—	ZA	Gauteng	Johannesburg
105.29.128.0/19	8.2K	0.0%	—	ZA	—	—
105.29.160.0/19	8.2K	0.0%	—	KE	Nairobi County	Nairobi
105.29.192.0/19	8.2K	0.0%	—	MU	—	—
105.30.160.0/19	8.2K	0.0%	—	MU	—	—
105.30.224.0/19	8.2K	0.0%	—	ZA	KwaZulu-Natal	Durban
105.31.96.0/19	8.2K	0.0%	—	MU	—	—
105.31.224.0/19	8.2K	0.0%	—	MU	—	—
105.16.48.0/20	4.1K	0.0%	—	MU	—	—
105.16.96.0/20	4.1K	0.0%	—	MU	—	—
105.16.112.0/20	4.1K	0.0%	—	KE	Mombasa County	Mombasa
105.16.160.0/20	4.1K	0.0%	—	ZA	Gauteng	Johannesburg
105.17.240.0/20	4.1K	0.0%	—	KE	—	—
105.18.0.0/20	4.1K	0.0%	—	KE	—	—
105.18.16.0/20	4.1K	0.0%	—	DJ	—	—
105.18.32.0/20	4.1K	0.0%	—	TZ	—	—
105.18.48.0/20	4.1K	0.0%	—	MZ	—	—
105.18.144.0/20	4.1K	0.0%	—	MU	—	—
105.19.32.0/20	4.1K	0.0%	—	MU	—	—
105.19.48.0/20	4.1K	0.0%	—	ZA	Western Cape	Cape Town
105.19.80.0/20	4.1K	0.0%	—	MU	—	—
105.20.96.0/20	4.1K	0.0%	—	NL	—	—
105.20.112.0/20	4.1K	0.0%	—	SE	—	—
105.20.128.0/20	4.1K	0.0%	—	DE	—	—
105.20.144.0/20	4.1K	0.0%	—	MU	—	—
105.21.48.0/20	4.1K	0.0%	—	KE	Nairobi County	Nairobi
105.21.112.0/20	4.1K	0.0%	—	RW	—	—
105.22.112.0/20	4.1K	0.0%	—	FR	—	—
105.22.144.0/20	4.1K	0.0%	—	GB	—	—
105.22.160.0/20	4.1K	0.0%	—	ZA	—	—
105.22.176.0/20	4.1K	0.0%	—	MU	—	—
105.25.176.0/20	4.1K	0.0%	—	MU	—	—
105.25.240.0/20	4.1K	0.0%	—	MU	—	—
105.26.80.0/20	4.1K	0.0%	—	NL	—	—
105.26.112.0/20	4.1K	0.0%	—	SE	—	—
105.27.80.0/20	4.1K	0.0%	—	KE	—	—
105.27.208.0/20	4.1K	0.0%	—	KE	Mombasa County	Mombasa
105.28.0.0/20	4.1K	0.0%	—	RW	—	—
105.28.16.0/20	4.1K	0.0%	—	DJ	—	—
105.28.64.0/20	4.1K	0.0%	—	MZ	Cidade de Maputo	Maputo
105.28.80.0/20	4.1K	0.0%	—	ZA	Gauteng	Johannesburg
105.28.128.0/20	4.1K	0.0%	—	FR	—	—
105.28.144.0/20	4.1K	0.0%	—	GB	—	—
105.28.160.0/20	4.1K	0.0%	—	TZ	—	—
105.28.176.0/20	4.1K	0.0%	—	ZA	—	—
105.28.224.0/20	4.1K	0.0%	—	TZ	—	—
105.29.96.0/20	4.1K	0.0%	—	KE	—	—
105.29.112.0/20	4.1K	0.0%	—	MU	—	—
105.29.224.0/20	4.1K	0.0%	—	ZA	Western Cape	Cape Town
105.29.240.0/20	4.1K	0.0%	—	MU	—	—

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS37100 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

Prefix	Announcement samples	Last seen
196.6.171.0/24	24,841	2026-09-11 03:43:51
196.6.172.0/24	23,161	2026-09-11 03:43:51
196.6.170.0/24	19,562	2026-09-11 04:56:10
105.29.96.0/20	14,446	2026-09-11 04:26:44
41.206.96.0/19	10,791	2026-09-11 03:43:55
102.221.24.0/22	9,452	2026-09-11 04:39:15
41.217.212.0/22	9,285	2026-09-11 04:39:15
41.87.96.0/19	9,265	2026-09-11 04:39:15
105.16.0.0/12	9,065	2026-09-11 04:39:15
41.207.232.0/22	8,881	2026-09-11 03:43:55
154.72.240.0/20	8,815	2026-09-11 03:43:55

Frequently Asked Questions

What is AS37100?

AS37100 is an Autonomous System Number assigned to SEACOM Limited. 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 AS37100 announce?

AS37100 announces 1.07M IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in Mauritius.

Who operates AS37100?

AS37100 is operated by SEACOM Limited. The organization is based in Mauritius. You can view all IP ranges and related ASNs on the organization page.

What country is AS37100 registered in?

AS37100 is registered in Mauritius. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-11 05:09:06 UTC