AS53719 Mainstream Technologies, Inc.

MAINSTREAM-TECHNOLOGIES-LRDC - Mainstream Technologies, Inc. · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#11,716largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#52,374of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS53719 in ASN lookup Look up an IP in this network (8.39.211.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

8.39.211.0/24
12.133.45.0/24

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AS53721#11717 CORETELLIGENT - Coretelligent, LLC512

AS53738#11718 DDC-JVL - DATA DIMENSIONS CORP512

AS53746#11719 ASBASN - American Savings Bank, FSB512

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