Home
/
ASN directory
/
AS17144
AS17144 Microsoft Corporation
NUANCE-NOD - Microsoft Corporation · registered in the United States
IPv4 addresses 1,024 4 prefixes · <0.001% of announced IPv4
Rank in United States #7,941 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #35,573 of 79,396 networks with IPv4
IPv6 3 x /48 2 prefixes
IPv4 prefixes
All 4 prefixes, in address order.
66.151.66.0/24 67.208.167.0/24 74.123.179.0/24 192.135.86.0/24
IPv6 prefixes
All 2 prefixes.
2602:fdbb:a::/47 2602:fdbb:c::/48
Other ASNs named Microsoft Corporation
11 other networks use the same organisation name; together with AS17144 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 AS54396 NUANCE-MOBILITY - Microsoft Corporation US 2,048 AS46182 VAROLII - Microsoft Corporation US 1,536 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
AS400719 #7938 RJN-SERVICES - RJN Services1,024 AS400790 #7939 CHIA - Chia Network Inc.1,024 AS11374 #7940 WORKSMART-NETWORK-BACKBONE - Panterra Networks, Inc.1,024 AS18865 #7942 AS-INTUIX - Intuix LLC1,024 AS19210 #7943 SYNCHRONOSS - SYNCHRONOSS TECHNOLOGIES1,024
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