
37133 Airtel Tanzania - Airtel Tanzania, TZ
Adjacency: 14 Upstream: 2 Downstream: 12
Upstream Adjacent AS list
AS327708 Airtel Rwanda Ltd - Airtel Rwanda Ltd, RW
AS37440 Airtel Malawi Ltd - Airtel Malawi Ltd, MW
Downstream Adjacent AS list
AS37075 Airtel Uganda Limited - Airtel Uganda Limited, UG
AS329251 NATIONAL BANK OF COMMERCE LIMITED - NATIONAL BANK OF COMMERCE LIMITED, TZ
AS14789 CLOUDFLARENET - Cloudflare, Inc., US
AS328436 Flashnet Technologies Limited - Flashnet Technologies Limited, TZ
AS328075 Gadgetronix.Net Ltd - Gadgetronix.Net Ltd, TZ
AS327795 e-Government Authority - e-Government Authority, TZ
AS329647 SPRINT TANZANIA LIMITED - SPRINT TANZANIA LIMITED, TZ
AS329677 Telxer Enterprise Limited - Telxer Enterprise Limited, TZ
AS37349 Aptus Solutions Ltd - Aptus Solutions Ltd, TZ
AS37013 Satcom Networks Africa - Satcom Networks Africa, TZ
AS36909 Habari Node Public Limited - Habari Node Public Limited, TZ
AS32860 Cats-Net Limited - Cats-Net Limited, TZ
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 3029 AS37133 ORG+TRN Originate: 69888 /15.91 Transit: 19456 /17.75 Airtel Tanzania - Airtel Tanzania, TZ
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 1086 AS37133 Airtel Tanzania - Airtel Tanzania, TZ 89 72 16 33 56 62.92% Prefix AS Path Aggregation Suggestion 41.75.208.0/20 4777 2497 37100 327708 37133 37133 41.75.208.0/21 4777 2497 37100 327708 37133 + Announce - aggregate of 41.75.208.0/22 (4777 2497 37100 327708 37133) and 41.75.212.0/22 (4777 2497 37100 327708 37133) 41.75.208.0/23 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 41.75.210.0/23 (4777 2497 37100 327708 37133) 41.75.210.0/23 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 41.75.208.0/23 (4777 2497 37100 327708 37133) 41.75.212.0/23 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 41.75.214.0/23 (4777 2497 37100 327708 37133) 41.75.214.0/23 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 41.75.212.0/23 (4777 2497 37100 327708 37133) 41.75.214.0/24 4777 2497 37100 327708 37133 - Withdrawn - matching aggregate 41.75.214.0/23 4777 2497 37100 327708 37133 41.75.216.0/22 4777 2497 37100 327708 37133 41.75.217.0/24 4777 2497 37100 327708 37133 - Withdrawn - matching aggregate 41.75.216.0/22 4777 2497 37100 327708 37133 41.75.218.0/24 4777 2497 37100 327708 37133 - Withdrawn - matching aggregate 41.75.216.0/22 4777 2497 37100 327708 37133 41.75.219.0/24 4777 2497 37100 327708 37133 - Withdrawn - matching aggregate 41.75.216.0/22 4777 2497 37100 327708 37133 41.75.220.0/22 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 41.75.220.0/23 4777 2497 37100 327708 37133 + Announce - aggregate of 41.75.220.0/24 (4777 2497 37100 327708 37133) and 41.75.221.0/24 (4777 2497 37100 327708 37133) 41.75.220.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 41.75.221.0/24 (4777 2497 37100 327708 37133) 41.75.221.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 41.75.220.0/24 (4777 2497 37100 327708 37133) 41.75.222.0/24 4777 2497 37100 327708 37133 156.156.66.0/24 4777 2497 37100 327708 37133 156.156.68.0/23 4777 2497 37100 327708 37133 37133 156.156.128.0/19 4777 2497 37100 327708 37133 156.158.0.0/17 4777 2497 37100 327708 37133 37133 196.46.121.0/24 4777 2497 37100 327708 37133 196.46.122.0/24 4777 2497 37100 327708 37133 196.46.123.0/24 4777 2497 37100 327708 37440 37133 197.186.0.0/21 4777 2497 37100 327708 37133 + Announce - aggregate of 197.186.0.0/22 (4777 2497 37100 327708 37133) and 197.186.4.0/22 (4777 2497 37100 327708 37133) 197.186.0.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.1.0/24 (4777 2497 37100 327708 37133) 197.186.1.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.0.0/24 (4777 2497 37100 327708 37133) 197.186.2.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.3.0/24 (4777 2497 37100 327708 37133) 197.186.3.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.2.0/24 (4777 2497 37100 327708 37133) 197.186.4.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.5.0/24 (4777 2497 37100 327708 37133) 197.186.5.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.4.0/24 (4777 2497 37100 327708 37133) 197.186.6.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.7.0/24 (4777 2497 37100 327708 37133) 197.186.7.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.6.0/24 (4777 2497 37100 327708 37133) 197.186.8.0/23 4777 2497 37100 327708 37133 + Announce - aggregate of 197.186.8.0/24 (4777 2497 37100 327708 37133) and 197.186.9.0/24 (4777 2497 37100 327708 37133) 197.186.8.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.9.0/24 (4777 2497 37100 327708 37133) 197.186.9.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.8.0/24 (4777 2497 37100 327708 37133) 197.186.10.0/24 4777 2497 37100 327708 37133 197.186.15.0/24 4777 2497 37100 327708 37133 197.186.16.0/22 4777 2497 37100 327708 37133 + Announce - aggregate of 197.186.16.0/23 (4777 2497 37100 327708 37133) and 197.186.18.0/23 (4777 2497 37100 327708 37133) 197.186.16.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.17.0/24 (4777 2497 37100 327708 37133) 197.186.17.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.16.0/24 (4777 2497 37100 327708 37133) 197.186.18.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.19.0/24 (4777 2497 37100 327708 37133) 197.186.19.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.18.0/24 (4777 2497 37100 327708 37133) 197.186.25.0/24 4777 2497 37100 327708 37133 197.186.26.0/23 4777 2497 37100 327708 37133 + Announce - aggregate of 197.186.26.0/24 (4777 2497 37100 327708 37133) and 197.186.27.0/24 (4777 2497 37100 327708 37133) 197.186.26.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.27.0/24 (4777 2497 37100 327708 37133) 197.186.27.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.26.0/24 (4777 2497 37100 327708 37133) 197.186.28.0/22 4777 2497 37100 327708 37133 + Announce - aggregate of 197.186.28.0/23 (4777 2497 37100 327708 37133) and 197.186.30.0/23 (4777 2497 37100 327708 37133) 197.186.28.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.29.0/24 (4777 2497 37100 327708 37133) 197.186.29.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.28.0/24 (4777 2497 37100 327708 37133) 197.186.30.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.31.0/24 (4777 2497 37100 327708 37133) 197.186.31.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.30.0/24 (4777 2497 37100 327708 37133) 197.186.32.0/22 4777 2497 37100 327708 37133 + Announce - aggregate of 197.186.32.0/23 (4777 2497 37100 327708 37133) and 197.186.34.0/23 (4777 2497 37100 327708 37133) 197.186.32.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.33.0/24 (4777 2497 37100 327708 37133) 197.186.33.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.32.0/24 (4777 2497 37100 327708 37133) 197.186.34.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.35.0/24 (4777 2497 37100 327708 37133) 197.186.35.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.34.0/24 (4777 2497 37100 327708 37133) 197.186.37.0/24 4777 2497 37100 327708 37133 197.186.38.0/23 4777 2497 37100 327708 37133 + Announce - aggregate of 197.186.38.0/24 (4777 2497 37100 327708 37133) and 197.186.39.0/24 (4777 2497 37100 327708 37133) 197.186.38.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.39.0/24 (4777 2497 37100 327708 37133) 197.186.39.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.38.0/24 (4777 2497 37100 327708 37133) 197.186.40.0/21 4777 2497 37100 327708 37133 + Announce - aggregate of 197.186.40.0/22 (4777 2497 37100 327708 37133) and 197.186.44.0/22 (4777 2497 37100 327708 37133) 197.186.40.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.41.0/24 (4777 2497 37100 327708 37133) 197.186.41.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.40.0/24 (4777 2497 37100 327708 37133) 197.186.42.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.43.0/24 (4777 2497 37100 327708 37133) 197.186.43.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.42.0/24 (4777 2497 37100 327708 37133) 197.186.44.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.45.0/24 (4777 2497 37100 327708 37133) 197.186.45.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.44.0/24 (4777 2497 37100 327708 37133) 197.186.46.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.47.0/24 (4777 2497 37100 327708 37133) 197.186.47.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.46.0/24 (4777 2497 37100 327708 37133) 197.186.48.0/24 4777 2497 37100 327708 37133 197.186.52.0/22 4777 2497 37100 327708 37133 + Announce - aggregate of 197.186.52.0/23 (4777 2497 37100 327708 37133) and 197.186.54.0/23 (4777 2497 37100 327708 37133) 197.186.52.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.53.0/24 (4777 2497 37100 327708 37133) 197.186.53.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.52.0/24 (4777 2497 37100 327708 37133) 197.186.54.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.55.0/24 (4777 2497 37100 327708 37133) 197.186.55.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.54.0/24 (4777 2497 37100 327708 37133) 197.186.56.0/21 4777 2497 37100 327708 37133 + Announce - aggregate of 197.186.56.0/22 (4777 2497 37100 327708 37133) and 197.186.60.0/22 (4777 2497 37100 327708 37133) 197.186.56.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.57.0/24 (4777 2497 37100 327708 37133) 197.186.57.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.56.0/24 (4777 2497 37100 327708 37133) 197.186.58.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.59.0/24 (4777 2497 37100 327708 37133) 197.186.59.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.58.0/24 (4777 2497 37100 327708 37133) 197.186.60.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.61.0/24 (4777 2497 37100 327708 37133) 197.186.61.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.60.0/24 (4777 2497 37100 327708 37133) 197.186.62.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.63.0/24 (4777 2497 37100 327708 37133) 197.186.63.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.62.0/24 (4777 2497 37100 327708 37133) 197.186.64.0/23 4777 2497 37100 327708 37133 + Announce - aggregate of 197.186.64.0/24 (4777 2497 37100 327708 37133) and 197.186.65.0/24 (4777 2497 37100 327708 37133) 197.186.64.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.65.0/24 (4777 2497 37100 327708 37133) 197.186.65.0/24 4777 2497 37100 327708 37133 - Withdrawn - aggregated with 197.186.64.0/24 (4777 2497 37100 327708 37133) 197.186.66.0/23 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 + Announce - aggregate of 197.186.66.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) and 197.186.67.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.66.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.67.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.67.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.66.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.68.0/22 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 + Announce - aggregate of 197.186.68.0/23 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) and 197.186.70.0/23 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.68.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.69.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.69.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.68.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.70.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.71.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.71.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.70.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.72.0/21 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 + Announce - aggregate of 197.186.72.0/22 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) and 197.186.76.0/22 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.72.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.73.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.73.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.72.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.74.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.75.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.75.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.74.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.76.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.77.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.77.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.76.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.78.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.79.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.79.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133 - Withdrawn - aggregated with 197.186.78.0/24 (4777 2497 37100 327708 37133 37133 37133 37133 37133 37133) 197.186.80.0/24 4777 2497 37100 327708 37133 37133 37133 37133 37133 37133
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS37133 88 More Specifics 89 Total Advertisements Airtel Tanzania - Airtel Tanzania, TZ
41.75.208.0/23 41.75.208.0/20
41.75.210.0/23 41.75.208.0/20
41.75.212.0/23 41.75.208.0/20
41.75.214.0/23 41.75.208.0/20
41.75.214.0/24 41.75.208.0/20
41.75.216.0/22 41.75.208.0/20
41.75.217.0/24 41.75.208.0/20
41.75.218.0/24 41.75.208.0/20
41.75.219.0/24 41.75.208.0/20
41.75.220.0/22 41.75.208.0/20
41.75.220.0/24 41.75.208.0/20
41.75.221.0/24 41.75.208.0/20
41.75.222.0/24 41.75.208.0/20
156.156.66.0/24 156.156.0.0/14
156.156.68.0/23 156.156.0.0/14
156.156.128.0/19 156.156.0.0/14
156.158.0.0/17 156.156.0.0/14
196.46.121.0/24 196.46.120.0/22
196.46.122.0/24 196.46.120.0/22
196.46.123.0/24 196.46.120.0/22
197.186.0.0/24 197.186.0.0/15
197.186.1.0/24 197.186.0.0/15
197.186.2.0/24 197.186.0.0/15
197.186.3.0/24 197.186.0.0/15
197.186.4.0/24 197.186.0.0/15
197.186.5.0/24 197.186.0.0/15
197.186.6.0/24 197.186.0.0/15
197.186.7.0/24 197.186.0.0/15
197.186.8.0/24 197.186.0.0/15
197.186.9.0/24 197.186.0.0/15
197.186.10.0/24 197.186.0.0/15
197.186.15.0/24 197.186.0.0/15
197.186.16.0/24 197.186.0.0/15
197.186.17.0/24 197.186.0.0/15
197.186.18.0/24 197.186.0.0/15
197.186.19.0/24 197.186.0.0/15
197.186.25.0/24 197.186.0.0/15
197.186.26.0/24 197.186.0.0/15
197.186.27.0/24 197.186.0.0/15
197.186.28.0/24 197.186.0.0/15
197.186.29.0/24 197.186.0.0/15
197.186.30.0/24 197.186.0.0/15
197.186.31.0/24 197.186.0.0/15
197.186.32.0/24 197.186.0.0/15
197.186.33.0/24 197.186.0.0/15
197.186.34.0/24 197.186.0.0/15
197.186.35.0/24 197.186.0.0/15
197.186.37.0/24 197.186.0.0/15
197.186.38.0/24 197.186.0.0/15
197.186.39.0/24 197.186.0.0/15
197.186.40.0/24 197.186.0.0/15
197.186.41.0/24 197.186.0.0/15
197.186.42.0/24 197.186.0.0/15
197.186.43.0/24 197.186.0.0/15
197.186.44.0/24 197.186.0.0/15
197.186.45.0/24 197.186.0.0/15
197.186.46.0/24 197.186.0.0/15
197.186.47.0/24 197.186.0.0/15
197.186.48.0/24 197.186.0.0/15
197.186.52.0/24 197.186.0.0/15
197.186.53.0/24 197.186.0.0/15
197.186.54.0/24 197.186.0.0/15
197.186.55.0/24 197.186.0.0/15
197.186.56.0/24 197.186.0.0/15
197.186.57.0/24 197.186.0.0/15
197.186.58.0/24 197.186.0.0/15
197.186.59.0/24 197.186.0.0/15
197.186.60.0/24 197.186.0.0/15
197.186.61.0/24 197.186.0.0/15
197.186.62.0/24 197.186.0.0/15
197.186.63.0/24 197.186.0.0/15
197.186.64.0/24 197.186.0.0/15
197.186.65.0/24 197.186.0.0/15
197.186.66.0/24 197.186.0.0/15
197.186.67.0/24 197.186.0.0/15
197.186.68.0/24 197.186.0.0/15
197.186.69.0/24 197.186.0.0/15
197.186.70.0/24 197.186.0.0/15
197.186.71.0/24 197.186.0.0/15
197.186.72.0/24 197.186.0.0/15
197.186.73.0/24 197.186.0.0/15
197.186.74.0/24 197.186.0.0/15
197.186.75.0/24 197.186.0.0/15
197.186.76.0/24 197.186.0.0/15
197.186.77.0/24 197.186.0.0/15
197.186.78.0/24 197.186.0.0/15
197.186.79.0/24 197.186.0.0/15
197.186.80.0/24 197.186.0.0/15
whois: 402591
IANA has recorded AS37133 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS37133\n % This is the AfriNIC Whois server.
% The AFRINIC whois database is subject to the following terms of Use. See https://afrinic.net/whois/terms