$ query “AS37133” --type=asn → 1 result(s)
AS37133 — AIRTEL-TZ-AS
Airtel Tanzania
AS37133 is a mid-size transit provider run by Airtel Tanzania, established in Tanzania. The network announces a respectable 64 512 IPv4 addresses. Supports IPv6.
- #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.)
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
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
- 🇹🇿 TZ (26 IPs)
- Prefix Changed
- March 05, 2026
Reputation
- Reputation
- Good — 3 flagged IPs out of 64 512 total (0.00%)
Connectivity Summary
- Upstream Providers
- 4 upstream autonomous systems providing transit
- Peers
- 3 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 10 downstream autonomous systems buying transit
- Degree
- 19 unique BGP neighbors (providers + customers + peers)
- Reach
- 57 — customer cone size measuring network influence
- Degree Rank
- #7 799
- Reach Rank
- #1 433
- Country Rank
- #5
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (91 total)
- 156.158.0.0/17 (32 768 addresses)
- 156.156.128.0/19 (8 192 addresses)
- 41.75.208.0/20 (4 096 addresses)
- 197.186.64.0/20 (4 096 addresses)
- 197.186.0.0/21 (2 048 addresses)
- 197.186.40.0/21 (2 048 addresses)
- 197.186.56.0/21 (2 048 addresses)
- 197.186.16.0/22 (1 024 addresses)
- 197.186.28.0/22 (1 024 addresses)
- 197.186.32.0/22 (1 024 addresses)
- 197.186.52.0/22 (1 024 addresses)
- 102.212.82.0/23 (512 addresses)
- 156.156.68.0/23 (512 addresses)
- 196.46.122.0/23 (512 addresses)
- 197.186.8.0/23 (512 addresses)
- 197.186.26.0/23 (512 addresses)
- 197.186.38.0/23 (512 addresses)
- 156.156.66.0/24 (256 addresses)
- 196.46.121.0/24 (256 addresses)
- 197.186.10.0/24 (256 addresses)
- 197.186.15.0/24 (256 addresses)
- 197.186.25.0/24 (256 addresses)
- 197.186.37.0/24 (256 addresses)
- 197.186.48.0/24 (256 addresses)
- 197.186.80.0/24 (256 addresses)
IPv6 Prefixes (1 total)
- 2c0f:f2f8::/32