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AS54396
AS54396 Microsoft Corporation
NUANCE-MOBILITY - Microsoft Corporation · registered in the United States
IPv4 addresses 2,048 1 prefixes · <0.001% of announced IPv4
Rank in United States #6,382 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #23,701 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 1 prefix, in address order.
Other ASNs named Microsoft Corporation
11 other networks use the same organisation name; together with AS54396 they announce 82,657,024 IPv4 addresses.
ASN Name IPv4 addresses
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation US 80,749,056 AS8070 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation US 1,073,920 AS3598 MICROSOFT-CORP-AS - Microsoft Corporation US 531,200 AS8069 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation US 285,184 AS8068 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation US 9,984 AS12076 MICROSOFT - Microsoft Corporation US 2,048 AS46182 VAROLII - Microsoft Corporation US 1,536 AS17144 NUANCE-NOD - Microsoft Corporation US 1,024 AS63314 MSFT - Microsoft Corporation US 768 AS5761 MICROSOFT-CORP-MSN-AS-SATURN - Microsoft Corporation US 256 AS6584 MICROSOFT-GP-AS - Microsoft Corporation US IPv6 only
Similar-sized networks in United States
ASN Name IPv4 addresses
AS54324 #6379 GSI-ASN - Geographic Solutions, Inc.2,048 AS54355 #6380 MULTCO - NETWORK SERVICES2,048 AS54392 #6381 DECATURTELCO - Decatur Telephone Company2,048 AS54407 #6383 ARENT-FOX-LLP - ArentFox Schiff LLP2,048 AS54507 #6384 ACCESSBROADBAND - Access Broadband2,048 AS54539 #6385 CISD - Calhoun ISD2,048
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