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AS19406 Towerstream I, Inc.

TWRS-MA - Towerstream I, Inc. · registered in the United States

IPv4 addresses24,06413 prefixes · <0.001% of announced IPv4
Rank in United States#1,977largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#5,584of 79,396 networks with IPv4
IPv62,049 x /482 prefixes
CountryUnited States18,679 ASNs registered there
Open AS19406 in ASN lookup Look up an IP in this network (64.119.128.1) All networks in United States

IPv4 prefixes

All 13 prefixes, in address order.

  • 64.119.128.0/19
  • 66.228.64.0/20
  • 69.38.144.0/22
  • 69.38.149.0/24
  • 69.38.150.0/23
  • 69.38.152.0/21
  • 69.38.176.0/22
  • 72.46.160.0/21
  • 72.46.168.0/22
  • 192.74.137.0/24
  • 216.57.82.0/23
  • 216.57.84.0/22
  • 216.57.88.0/21

IPv6 prefixes

All 2 prefixes.

  • 2604:f400:5::/48
  • 2604:f400:2800::/37

Other ASNs named Towerstream I, Inc.

4 other networks use the same organisation name; together with AS19406 they announce 80,896 IPv4 addresses.

ASNNameIPv4 addresses
AS29930TWRS-CBB - Towerstream I, Inc. US36,096
AS32654TWRS-CHI - Towerstream I, Inc. US17,664
AS19453TWRS-RI - Towerstream I, Inc. US2,304
AS18923TWRS-FTW - Towerstream I, Inc. US768

Similar-sized networks in United States

ASNNameIPv4 addresses
AS20134#1974 MBCL - Mediatti Broadband Communications, LLC24,320
AS36732#1975 COMCAST-36732 - Comcast Cable Communications, LLC24,064
AS8002#1976 STEALTH - Stealth Communications Services, LLC24,064
AS6256#1978 CELLCO-PART - Verizon Business24,064
AS17035#1979 NBCUNI-17035 - NBCUniversal24,064
AS53712#1980 WMCLLP - Wellington Management Company LLP24,064

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources