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AS400662 Dobson Technologies - Transport and Telecom Solutions, LLC

DOBSON-ASN-02 - Dobson Technologies - Transport and Telecom Solutions, LLC · registered in the United States

IPv4 addresses48,38472 prefixes · 0.002% of announced IPv4
Rank in United States#1,507largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#4,005of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there
Open AS400662 in ASN lookup Look up an IP in this network (57.138.1.1) All networks in United States

IPv4 prefixes

All 72 prefixes, in address order.

  • 57.138.1.0/24
  • 57.138.2.0/23
  • 57.138.4.0/24
  • 57.138.6.0/23
  • 57.138.8.0/21
  • 57.138.16.0/22
  • 57.138.21.0/24
  • 57.138.22.0/23
  • 57.138.24.0/21
  • 57.138.32.0/21
  • 57.138.45.0/24
  • 57.138.46.0/23
  • 57.138.48.0/23
  • 57.138.50.0/24
  • 57.138.53.0/24
  • 57.138.55.0/24
  • 57.138.56.0/22
  • 57.138.66.0/24
  • 57.138.71.0/24
  • 57.138.72.0/24
  • 57.138.81.0/24
  • 57.138.83.0/24
  • 57.138.84.0/23
  • 57.138.90.0/23
  • 57.138.92.0/24
  • 57.138.95.0/24
  • 57.138.96.0/24
  • 57.138.99.0/24
  • 57.138.100.0/23
  • 57.138.102.0/23
  • 57.138.104.0/21
  • 57.138.112.0/21
  • 57.138.120.0/22
  • 57.138.124.0/23
  • 57.138.126.0/24
  • 57.138.128.0/22
  • 57.138.132.0/23
  • 57.138.136.0/21
  • 57.138.144.0/21
  • 57.138.152.0/22
  • 57.138.156.0/23
  • 57.138.159.0/24
  • 57.138.168.0/22
  • 57.138.174.0/24
  • 57.138.176.0/24
  • 57.138.178.0/24
  • 57.138.180.0/22
  • 57.138.184.0/21
  • 57.138.192.0/21
  • 57.138.200.0/24
  • 57.138.203.0/24
  • 57.138.204.0/23
  • 57.138.206.0/24
  • 57.138.209.0/24
  • 57.138.212.0/22
  • 57.138.216.0/22
  • 57.138.220.0/23
  • 57.138.226.0/23
  • 57.138.228.0/22
  • 57.138.232.0/21
  • 57.138.241.0/24
  • 57.138.242.0/23
  • 57.138.246.0/23
  • 57.138.250.0/24
  • 57.138.252.0/24
  • 150.253.69.0/24
  • 150.253.73.0/24
  • 150.253.74.0/24
  • 150.253.87.0/24
  • 150.253.122.0/24
  • 150.253.127.0/24
  • 206.72.255.0/24

Other ASNs named Dobson Technologies - Transport and Telecom Solutions, LLC

2 other networks use the same organisation name; together with AS400662 they announce 130,048 IPv4 addresses.

ASNNameIPv4 addresses
AS30029DOBSONTECHTTS - Dobson Technologies - Transport and Telecom Solutions, LLC US78,336
AS400666DOBSON-ASN-02 - Dobson Technologies - Transport and Telecom Solutions, LLC US3,328

Similar-sized networks in United States

ASNNameIPv4 addresses
AS14744#1504 INTERNAP-BLOCK-4 - Unitas Global48,640
AS3599#1505 BINCNET - CDW Technologies LLC48,384
AS4237#1506 CSC-IGN-FTW-AS4237 - DXC US Latin America Corporation48,384
AS398143#1508 TRUESTREAM - Great Lakes Energy Connections Inc.48,128
AS15085#1509 IMMEDION - Immedion, LLC47,872
AS21782#1510 PLATEAU - Plateau Telecommunications Incorporated47,872

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