$ query “AS37100” --type=asn → 1 result(s)

AS37100 — SEACOM-AS

SEACOM Limited

AS37100 is a major transit provider operated by SEACOM Limited, registered in Mauritius. The network announces an impressive 1.1 million IPv4 addresses, including a /12. Supports IPv6.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #27 by Reach — Top 100 by customer cone size
  • #55 by Degree — Top 100 by unique BGP neighbor count
  • #1 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
March 04, 2026

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
🇲🇺 MU (1 IPs), 🇿🇦 ZA (57 IPs), 🇰🇪 KE (24 IPs), 🇹🇿 TZ, 🇬🇧 GB, 🇩🇯 DJ, 🇲🇿 MZ, 🇳🇱 NL, 🇸🇪 SE, 🇩🇪 DE, 🇫🇷 FR, 🇺🇬 UG, 🇷🇼 RW, 🇮🇳 IN and 2 more
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 8 flagged IPs out of 1 072 896 total (0.00%)

Connectivity Summary

Upstream Providers
8 upstream autonomous systems providing transit
Peers
1 730 autonomous systems exchanging traffic without transit fees
Downstream Customers
262 downstream autonomous systems buying transit
Degree
2 008 unique BGP neighbors (providers + customers + peers)
Reach
46 719 — customer cone size measuring network influence
Degree Rank
#55
Reach Rank
#27
Country Rank
#1

Upstream Providers (8)

  • 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)

Prefix Lists

IPv4 Prefixes (11 total)

  • 105.16.0.0/12 (1 048 576 addresses)
  • 41.87.96.0/19 (8 192 addresses)
  • 41.206.96.0/19 (8 192 addresses)
  • 154.72.240.0/20 (4 096 addresses)
  • 41.207.232.0/22 (1 024 addresses)
  • 41.217.212.0/22 (1 024 addresses)
  • 102.221.24.0/22 (1 024 addresses)
  • 196.6.170.0/23 (512 addresses)
  • 196.6.172.0/24 (256 addresses)

IPv6 Prefixes (3 total)

  • 2c0f:feb0::/31
  • 2c0f:f8e0::/32