$ query “AS37133” --type=asn → 1 result(s)

AS37133 · AIRTEL-TZ-AS

Airtel Tanzania

AS37133 is run by Airtel Tanzania and is a mid-size transit provider, established in Tanzania. The system announces a respectable 64 512 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Tanzania.

  • #6 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.)
Last Changed
March 04, 2026
Last Seen
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
91 / 25
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
64 512
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇹🇿 Tanzania (69 120 IPs)
Prefix Changed
March 05, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
4 networks exchanging traffic without transit
Downstream Customers
11 downstreams buying transit
Unclassified
5 unclassified BGP neighbors
Degree
24 unique BGP neighbors
Reach
44 networks in customer cone

Upstream Providers (4)

Prefix Lists

IPv4 Prefixes (91 total)

  • 156.158.0.0/17 (32 768 addresses (/17 prefix))
  • 156.156.128.0/19 (8 192 addresses (/19 prefix))
  • 197.186.64.0/20 (4 096 addresses (/20 prefix))
  • 41.75.208.0/20 (4 096 addresses (/20 prefix))
  • 197.186.56.0/21 (2 048 addresses (/21 prefix))
  • 197.186.40.0/21 (2 048 addresses (/21 prefix))
  • 197.186.0.0/21 (2 048 addresses (/21 prefix))
  • 197.186.16.0/22 (1 024 addresses (/22 prefix))
  • 197.186.52.0/22 (1 024 addresses (/22 prefix))
  • 197.186.32.0/22 (1 024 addresses (/22 prefix))
  • 197.186.28.0/22 (1 024 addresses (/22 prefix))
  • 197.186.38.0/23 (512 addresses (/23 prefix))
  • 156.156.68.0/23 (512 addresses (/23 prefix))
  • 102.212.82.0/23 (512 addresses (/23 prefix))
  • 197.186.26.0/23 (512 addresses (/23 prefix))
  • 196.46.122.0/23 (512 addresses (/23 prefix))
  • 197.186.8.0/23 (512 addresses (/23 prefix))
  • 197.186.37.0/24 (256 addresses (/24 prefix))
  • 197.186.10.0/24 (256 addresses (/24 prefix))
  • 196.46.121.0/24 (256 addresses (/24 prefix))
  • 197.186.48.0/24 (256 addresses (/24 prefix))
  • 197.186.15.0/24 (256 addresses (/24 prefix))
  • 156.156.66.0/24 (256 addresses (/24 prefix))
  • 197.186.25.0/24 (256 addresses (/24 prefix))
  • 197.186.80.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2c0f:f2f8::/32