AS37133 is the autonomous system of Airtel Tanzania. It holds 64,512 IPv4 addresses in 28 prefixes plus 1 IPv6 ranges, mainly in 
Tanzania.
By IPv4 addresses the network ranks #3,487 worldwide and #4 of 104 networks in Tanzania. That is 5.6% of the country’s IPv4 space.
The largest block is 156.158.0.0 to 156.158.127.255 with 32,768 addresses, geolocated to Dar es Salaam.
- IPv4 addresses
- 64,512
- IPv4 prefixes
- 28
- World rank
- #3,487
- Country share
- 5.6%
- IPv6 ranges
- 1
Addresses by country
- Tanzania 100%
Largest blocks
- 156.158.0.0 Dar es Salaam32,768
- 156.156.128.0 Dar es Salaam8,192
- 197.186.52.0 Arusha7,424
- 41.75.208.0 Dar es Salaam4,096
- 197.186.37.0 Dar es Salaam3,072
- 197.186.0.0 Dar es Salaam2,816
- 197.186.25.0 Dar es Salaam2,560
- 197.186.15.0 Mwandege1,280
Networks of similar size
64,512
64,512
64,512
64,512
64,512IPv4 prefixes
- 41.75.208.0/20
- 104.22.74.0/24
- 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
- 196.46.122.0/23
- 197.186.0.0/21
- 197.186.8.0/23
- 197.186.10.0/24
- 197.186.15.0/24
- 197.186.16.0/22
- 197.186.25.0/24
- 197.186.26.0/23
- 197.186.28.0/22
- 197.186.32.0/23
- 197.186.34.0/24
- 197.186.37.0/24
- 197.186.38.0/23
- 197.186.40.0/21
- 197.186.48.0/24
- 197.186.52.0/22
- 197.186.56.0/21
- 197.186.64.0/20
- 197.186.80.0/24
Questions and answers
Who owns AS37133?
Autonomous system AS37133 is operated by Airtel Tanzania.
How many IP addresses does AS37133 have?
The network holds 64,512 IPv4 addresses in 28 prefixes, plus 1 IPv6 ranges.
Which country is AS37133 in?
The main country is Tanzania.
How big is AS37133?
By IPv4 addresses it ranks #3,487 worldwide.
What is the largest address block of AS37133?
156.158.0.0 to 156.158.127.255, 32,768 addresses.