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AS8068 Microsoft Corporation

MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation · registered in the United States

IPv4 addresses9,98427 prefixes · <0.001% of announced IPv4
Rank in United States#2,966largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#9,124of 79,396 networks with IPv4
IPv631 x /4821 prefixes
CountryUnited States18,679 ASNs registered there
Open AS8068 in ASN lookup Look up an IP in this network (13.107.3.1) All networks in United States

IPv4 prefixes

All 27 prefixes, in address order.

  • 13.107.3.0/24
  • 13.107.4.0/22
  • 13.107.9.0/24
  • 13.107.12.0/23
  • 13.107.15.0/24
  • 13.107.16.0/24
  • 13.107.18.0/23
  • 13.107.21.0/24
  • 13.107.22.0/24
  • 13.107.39.0/24
  • 13.107.40.0/24
  • 13.107.42.0/23
  • 13.107.48.0/22
  • 13.107.52.0/24
  • 13.107.54.0/24
  • 13.107.56.0/24
  • 13.107.128.0/23
  • 13.107.140.0/24
  • 13.107.254.0/24
  • 52.113.194.0/23
  • 52.113.196.0/23
  • 131.253.3.0/24
  • 131.253.21.0/24
  • 131.253.33.0/24
  • 150.171.32.0/24
  • 150.171.44.0/24
  • 204.79.197.0/24

IPv6 prefixes

All 21 prefixes.

  • 2620:1ec:4::/46
  • 2620:1ec:a::/47
  • 2620:1ec:c::/47
  • 2620:1ec:12::/47
  • 2620:1ec:1d::/48
  • 2620:1ec:21::/48
  • 2620:1ec:22::/47
  • 2620:1ec:24::/48
  • 2620:1ec:28::/48
  • 2620:1ec:34::/48
  • 2620:1ec:42::/47
  • 2620:1ec:44::/47
  • 2620:1ec:8f0::/48
  • 2620:1ec:8fc::/48
  • 2620:1ec:900::/48
  • 2620:1ec:90c::/48
  • 2620:1ec:a92::/48
  • 2620:1ec:c11::/48
  • 2a01:111:2003::/48
  • 2a01:111:202c::/47
  • 2a01:111:202e::/48

Other ASNs named Microsoft Corporation

11 other networks use the same organisation name; together with AS8068 they announce 82,657,024 IPv4 addresses.

ASNNameIPv4 addresses
AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation US80,749,056
AS8070MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation US1,073,920
AS3598MICROSOFT-CORP-AS - Microsoft Corporation US531,200
AS8069MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation US285,184
AS12076MICROSOFT - Microsoft Corporation US2,048
AS54396NUANCE-MOBILITY - Microsoft Corporation US2,048
AS46182VAROLII - Microsoft Corporation US1,536
AS17144NUANCE-NOD - Microsoft Corporation US1,024
AS63314MSFT - Microsoft Corporation US768
AS5761MICROSOFT-CORP-MSN-AS-SATURN - Microsoft Corporation US256
AS6584MICROSOFT-GP-AS - Microsoft Corporation USIPv6 only

Similar-sized networks in United States

ASNNameIPv4 addresses
AS1610#2963 CONTE-25-ASN - Contegix9,984
AS30133#2964 ISC-F-AS - Internet Systems Consortium, Inc.9,984
AS16766#2965 ISLAND-TECHNOLOGY-INC - Island Technology, Inc.9,984
AS6373#2967 OPUS1 - Opus One9,984
AS6421#2968 AS6421 - TATA COMMUNICATIONS (AMERICA) INC9,984
AS11409#2969 EFXSECURE - Equifax, Inc.9,984

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