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AS203939
AS203939 Mosaic Data Services, Inc.
MOSAIC - Mosaic Data Services, Inc. · registered in the United States
IPv4 addresses 1,792 3 prefixes · <0.001% of announced IPv4
Rank in United States #6,512 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #24,589 of 79,396 networks with IPv4
IPv6 8 x /32 (528,384 x /48) 2 prefixes
IPv4 prefixes
All 3 prefixes, in address order.
23.136.116.0/24 185.125.184.0/22 185.204.14.0/23
IPv6 prefixes
All 2 prefixes.
2602:f6a7::/36 2a06:bc40::/29
Similar-sized networks in United States
ASN Name IPv4 addresses
AS26478 #6509 NOVARTIS-PHARMA - Novartis Pharmaceuticals1,808
AS11159 #6510 LAPL-LAPUBLICLIBRARY - Los Angeles Public Library1,796
AS394019 #6513 FIBERSPARK - FiberSpark Inc.1,792
AS30150 #6514 EXEGY - Exegy Incorporated1,792
AS3700 #6515 CLOUD9 - Cloud 9 Internet, Inc.1,792
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