Skip to content
thenetworkery

AS numbers

AS37133 Airtel Tanzania

AS37133 is operated by Airtel Tanzania and registered with AFRINIC (TZ) since 2009-08-25.

It announces 83 IPv4 and 1 IPv6 prefixes, 0% of them RPKI valid.

RIPE RIS sees 2 upstream and peer networks and 15 downstream networks next to it.

PeeringDB lists it as a Cable/DSL/ISP network at 1 internet exchange and 2 facilities. Its peering policy is open.

NameAirtel Tanzania
Registry (RIR)AFRINIC
CountryTanzania (TZ)
Delegated on2009-08-25
Network typeCable/DSL/ISP, Global
Peering policyOpen
Prefixes (IPv4 / IPv6)83 / 1
RPKI valid0% (0 / 84)
Upstreams and peers2
Downstream networks15
Websiteafrica.airtel.com/tanzania

Routing health

  • AS37133 announces 83 IPv4 and 1 IPv6 prefixes.
  • 84 announced prefixes are not covered by a ROA of AS37133 (they may have none, or another network’s).
  • 2 upstreams and peers, 15 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 84

  • 41.75.208.0/20
  • 41.75.208.0/23
  • 41.75.210.0/23
  • 41.75.212.0/23
  • 41.75.214.0/23
  • 41.75.214.0/24
  • 41.75.216.0/22
  • 41.75.218.0/24
  • 41.75.219.0/24
  • 41.75.220.0/22
  • 41.75.220.0/24
  • 41.75.221.0/24
  • 41.75.222.0/24
  • 41.79.60.0/23
  • 41.79.62.0/23
  • 102.205.62.0/24
  • 102.212.83.0/24
  • 156.156.66.0/24
  • 156.156.68.0/23
  • 156.156.70.0/24
  • 156.156.94.0/24
  • 156.156.128.0/19
  • 156.158.0.0/17
  • 196.46.121.0/24
  • 196.46.122.0/24
  • 196.46.123.0/24
  • 197.158.192.0/20
  • 197.158.208.0/20
  • 197.158.224.0/20
  • 197.158.245.0/24
  • 197.158.248.0/23
  • 197.158.250.0/23
  • 197.158.255.0/24
  • 197.186.0.0/24
  • 197.186.1.0/24
  • 197.186.2.0/24
  • 197.186.3.0/24
  • 197.186.4.0/24
  • 197.186.5.0/24
  • 197.186.6.0/23
  • 197.186.8.0/23
  • 197.186.10.0/24
  • 197.186.15.0/24
  • 197.186.16.0/24
  • 197.186.17.0/24
  • 197.186.18.0/24
  • 197.186.19.0/24
  • 197.186.25.0/24
  • 197.186.26.0/23
  • 197.186.28.0/22
  • 197.186.32.0/24
  • 197.186.33.0/24
  • 197.186.34.0/24
  • 197.186.37.0/24
  • 197.186.38.0/24
  • 197.186.39.0/24
  • 197.186.40.0/24
  • 197.186.41.0/24
  • 197.186.42.0/24
  • 197.186.43.0/24
  • 197.186.44.0/24
  • 197.186.45.0/24
  • 197.186.46.0/24
  • 197.186.47.0/24
  • 197.186.48.0/24
  • 197.186.52.0/24
  • 197.186.53.0/24
  • 197.186.54.0/24
  • 197.186.55.0/24
  • 197.186.56.0/24
  • 197.186.57.0/24
  • 197.186.58.0/24
  • 197.186.59.0/24
  • 197.186.60.0/24
  • 197.186.61.0/24
  • 197.186.62.0/24
  • 197.186.63.0/24
  • 197.186.64.0/24
  • 197.186.65.0/24
  • 197.186.66.0/23
  • 197.186.68.0/22
  • 197.186.72.0/21
  • 197.186.80.0/24
  • 2c0f:f2f8::/32

Upstreams and peers 2

The networks RIPE RIS sees next to AS37133 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 0 IPv4, 0 IPv6. PeeringDB record

Internet exchanges 1
ExchangePortsSpeedRoute server
TIX Tanzania - Dar es Salaam11GNo
Facilities 2
FacilityCityCountry
Bharti Airtel MumbaiMumbaiIN
Telehouse - London (Docklands East)LondonGB

More about AS37133

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 03:55 UTC. The country is where the AS number was registered, not necessarily where the network operates.