$ query “AS37100” --type=asn → 1 result(s)
AS37100 · SEACOM-AS
SEACOM Limited
AS37100 is owned by SEACOM Limited and is a major transit provider, based in Mauritius. The system announces an impressive 1.1 million IPv4 addresses, including a /12, and supports IPv6. Its primary geographic footprint is in Mauritius, with additional presence in South Africa and Kenya, and smaller footprints in 13 additional countries.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #32 by Reach — Top 100 by customer cone size
- #57 by Degree — Top 100 by unique BGP neighbor count
- #2 in Mauritius — Top 10 by reach within country
Basic Information
- Country
- 🇲🇺 Mauritius
- Category
- Internet Service Provider
- Network Role
- Major Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- April 18, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 11 / 9
- IPv6 Prefixes (raw / aggregated)
- 3 / 2
- IPv4 Addresses
- 1 072 896
- Largest IPv4 Prefix
- /12 (1 048 576 addresses)
- Largest IPv6 Prefix
- /31
- Geolocated Countries
- 🇲🇺 Mauritius (1 048 576 IPs), 🇿🇦 South Africa (179 712 IPs), 🇰🇪 Kenya (76 032 IPs) and 13 more
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 6 flagged IPs out of 1 072 896 total (0.00%)
- Open Proxies
- 1 known open proxies in this network
Connectivity Summary
- Upstream Providers
- 9 upstreams providing transit
- Peers
- 1 732 networks exchanging traffic without transit
- Downstream Customers
- 261 downstreams buying transit
- Unclassified
- 8 unclassified BGP neighbors
- Degree
- 2 010 unique BGP neighbors
- Reach
- 45 959 networks in customer cone
Upstream Providers (9)
- AS174 — COGENT-174 (Tier-1 transit)
- AS3356 — LEVEL3 (Tier-1 transit)
- AS1299 — TWELVE99 (Tier-1 transit)
- AS3257 — GTT-BACKBONE (Tier-1 transit)
- AS2914 — NTT-DATA-2914 (Tier-1 transit)
- AS3741 — NTT-DATA-INC
- AS6762 — SEABONE-NET (Tier-1 transit)
- AS6453 — AS6453 (Tier-1 transit)
- AS43531 — IXREACH (Tier-1 transit)
Prefix Lists
IPv4 Prefixes (11 total)
- 105.16.0.0/12 (1 048 576 addresses (/12 prefix))
- 41.87.96.0/19 (8 192 addresses (/19 prefix))
- 41.206.96.0/19 (8 192 addresses (/19 prefix))
- 154.72.240.0/20 (4 096 addresses (/20 prefix))
- 41.207.232.0/22 (1 024 addresses (/22 prefix))
- 41.217.212.0/22 (1 024 addresses (/22 prefix))
- 102.221.24.0/22 (1 024 addresses (/22 prefix))
- 196.6.170.0/23 (512 addresses (/23 prefix))
- 196.6.172.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (3 total)
- 2c0f:feb0::/31
- 2c0f:f8e0::/32