$ query “AS37027” --type=asn → 1 result(s)

AS37027 · SIMBANET

SimbaNET

AS37027 belongs to SimbaNET and is a mid-size transit provider, established in Tanzania in 2011. The system announces a respectable 19 712 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Uganda, with additional presence in Kenya and Estonia, and a smaller footprint in another country. This AS has recently updated its prefix announcements.

  • #5 in Tanzania — Top 10 by reach within country

Basic Information

Country
🇹🇿 Tanzania
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
May 05, 2011
Last Changed
May 10, 2026
Last Seen
June 10, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
62 / 35
IPv6 Prefixes (raw / aggregated)
3 / 3
IPv4 Addresses
19 712
Largest IPv4 Prefix
/21 (2 048 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇬 Uganda (24 320 IPs), 🇰🇪 Kenya (6 400 IPs), 🇪🇪 Estonia (256 IPs) and 1 more
Prefix Changed
June 08, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 19 712 total (0.01%)

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
7 networks exchanging traffic without transit
Downstream Customers
9 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
21 unique BGP neighbors
Reach
23 networks in customer cone

Upstream Providers (3)

Prefix Lists

IPv4 Prefixes (62 total)

  • 45.221.72.0/21 (2 048 addresses (/21 prefix))
  • 102.36.216.0/21 (2 048 addresses (/21 prefix))
  • 102.218.36.0/22 (1 024 addresses (/22 prefix))
  • 197.220.104.0/22 (1 024 addresses (/22 prefix))
  • 154.66.216.0/22 (1 024 addresses (/22 prefix))
  • 102.219.100.0/22 (1 024 addresses (/22 prefix))
  • 102.209.128.0/22 (1 024 addresses (/22 prefix))
  • 102.211.60.0/22 (1 024 addresses (/22 prefix))
  • 102.215.164.0/22 (1 024 addresses (/22 prefix))
  • 102.216.148.0/22 (1 024 addresses (/22 prefix))
  • 196.207.164.0/23 (512 addresses (/23 prefix))
  • 102.222.68.0/23 (512 addresses (/23 prefix))
  • 102.140.208.0/23 (512 addresses (/23 prefix))
  • 102.220.92.0/23 (512 addresses (/23 prefix))
  • 196.202.185.0/24 (256 addresses (/24 prefix))
  • 197.211.0.0/24 (256 addresses (/24 prefix))
  • 152.55.221.0/24 (256 addresses (/24 prefix))
  • 62.8.85.0/24 (256 addresses (/24 prefix))
  • 196.200.43.0/24 (256 addresses (/24 prefix))
  • 196.202.167.0/24 (256 addresses (/24 prefix))
  • 196.202.168.0/24 (256 addresses (/24 prefix))
  • 196.202.177.0/24 (256 addresses (/24 prefix))
  • 196.202.180.0/24 (256 addresses (/24 prefix))
  • 102.217.56.0/24 (256 addresses (/24 prefix))
  • 62.8.83.0/24 (256 addresses (/24 prefix))
  • 102.220.251.0/24 (256 addresses (/24 prefix))
  • 197.211.5.0/24 (256 addresses (/24 prefix))
  • 197.211.8.0/24 (256 addresses (/24 prefix))
  • 197.211.18.0/24 (256 addresses (/24 prefix))
  • 197.211.22.0/24 (256 addresses (/24 prefix))
  • 197.220.101.0/24 (256 addresses (/24 prefix))
  • 197.220.102.0/24 (256 addresses (/24 prefix))
  • 62.8.74.0/24 (256 addresses (/24 prefix))
  • 197.220.119.0/24 (256 addresses (/24 prefix))
  • 197.220.127.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (3 total)

  • 2c0f:e950::/32
  • 2c0f:f658::/32
  • 2c0f:fce0::/32