AS37133 — airtel-tz-as

AS37133 announces 27 IPv4 prefixes covering 64,256 addresses and 1 IPv6 prefixes.

About this network

airtel-tz-as is operated by Airtel Tanzania.

What it's used for

• The space carries mobile and fixed-line subscriber traffic, evidenced by reverse DNS entries such as 0-68-186-197.r.airtel.co.tz and 255-71-186-197.r.airtel.co.tz.
• The AS announces 64,512 IPv4 addresses across 33 prefixes and 1 IPv6 prefix, while maintaining 15 observed neighbours; this high address-to-neighbour ratio indicates an access network serving end-users rather than a transit provider.

Notable

• The RDAP registrant for the 41.75.216.0/22 prefix is listed as Airtel Tanzania, aligning with the AS holder, though most other prefixes show unknown registrants in the sample.
• The operator was formerly known as Celtel Tanzania before being rebranded as Airtel Tanzania following a change in ownership and management.
• The address inventory is dominated by the 197.186.0.0/16 range, with significant blocks in 156.158.0.0/17 and 41.75.208.0/22, reflecting a large and subdivided corporate estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 41.75.208.0/20
• 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
• 2c0f:f2f8::/32

Upstream networks

• AS327708 Airtel Rwanda Ltd
• AS37440 Airtel Malawi Ltd

Downstream networks

• AS36909 Habari Node Public Limited
• AS327795 e-Government Authority
• AS327859 Capital Technologies
• AS37349 Aptus Solutions Ltd
• AS328075 Gadgetronix.Net Ltd
• AS14789 Cloudflare, Inc.
• AS37013 Satcom Networks Africa
• AS22354 UNIV-DAR
• AS328700 Tanzania Internet Service Providers Association - TISPA - Tanzania Internet Service Providers Association

Adjacent networks

• AS327708 Airtel Rwanda Ltd
• AS36909 Habari Node Public Limited
• AS37349 Aptus Solutions Ltd
• AS328436 Flashnet Technologies Limited
• AS327795 e-Government Authority
• AS327859 Capital Technologies
• AS328075 Gadgetronix.Net Ltd
• AS37013 Satcom Networks Africa
• AS14789 Cloudflare, Inc.
• AS37440 Airtel Malawi Ltd
• AS22354 UNIV-DAR
• AS328700 Tanzania Internet Service Providers Association - TISPA - Tanzania Internet Service Providers Association
• AS37662 West Indian Ocean Cable Company
• AS30844 Liquid Telecommunications Ltd
• AS36873 Airtel Networks Limited

Internet exchanges

• TIX Tanzania - Dar es Salaam — Dar es Salaam, Tanzania