- Registered on
- 18 May 1994 (31 years old)
- Registered to
- ARIN-MSFT (arin)
- Network status
- Active, Allocated under ARIN
- Network type
- Eyeball
- Prefixes Originated
- 21 IPv4, 5 IPv6
Upstreams
Rankings
| Prefix | Description | |
|---|---|---|
|
|
65.53.0.0/16 | Microsoft Corporation |
|
|
131.107.0.0/16 | Microsoft Corporation |
|
|
157.54.0.0/16 | Microsoft Corporation |
|
|
157.57.0.0/16 | Microsoft Corporation |
|
|
157.58.0.0/16 | Microsoft Corporation |
|
|
157.58.31.0/24 | Microsoft Corporation |
|
|
157.58.192.0/19 | Microsoft Corporation |
|
|
157.59.0.0/16 | Microsoft Corporation |
|
|
157.60.0.0/16 | Microsoft Corporation |
|
|
167.220.0.0/16 | |
|
|
167.220.0.0/17 | Microsoft Corporation |
|
|
167.220.128.0/18 | Microsoft Corporation |
|
|
167.220.148.0/22 | Microsoft Corporation |
|
|
167.220.152.0/24 | Microsoft Corporation |
|
|
167.220.192.0/19 | Microsoft Corporation |
|
|
167.220.204.0/22 | Microsoft Corporation |
|
|
167.220.208.0/23 | Microsoft Corporation |
|
|
167.220.224.0/19 | Various Registries (Maintained by ARIN) |
|
|
194.69.96.0/19 | Microsoft Limited |
|
|
194.69.100.0/22 | Microsoft Limited |
|
|
198.105.232.0/22 | Microsoft Corporation |
|
|
2001:4898::/32 | Microsoft Corporation |
|
|
2404:f801::/32 | |
|
|
2a01:110::/32 | - |
|
|
2a01:110:8020::/48 | - |
|
|
2a01:110:8068::/48 | - |
Network Policy
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Chart Display Options
Prefixes in selected policy
How are upstreams and downstreams calculated?
Upstreams
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
| AS8075 | Microsoft Corporation | ✔ | ✔ | |
| AS3356 | Lumen (Level 3) | ✔ | ✘ | |
| AS2686 | AT&T Enterprises, LLC | ✔ | ✔ | |
| AS1680 | Cellcom Fixed Line Communication L.P | ✔ | ✔ | |
| AS12849 | Hot-Net internet services Ltd. | ✔ | ✘ |
Peers
| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
| AS8075 | Microsoft Corporation | ✔ | ✔ | |
| AS3356 | Lumen (Level 3) | ✔ | ✘ | |
| AS1680 | Cellcom Fixed Line Communication L.P | ✔ | ✔ | |
| AS2686 | AT&T Enterprises, LLC | ✔ | ✔ | |
| AS12849 | Hot-Net internet services Ltd. | ✔ | ✘ |
ASHandle: AS3598 OrgID: MSFT ASName: MICROSOFT-CORP-AS ASNumber: 3598 RegDate: 1994-05-18 Updated: 2013-08-20 Source: ARIN OrgID: MSFT OrgName: Microsoft Corporation CanAllocate: Street: One Microsoft Way City: Redmond State/Prov: WA Country: US PostalCode: 98052 Comment: To report suspected security issues specific to traffic emanating from Microsoft online services, including the distribution of malicious content or other illicit or illegal material through a Microsoft online service, please submit reports to: Comment: * https://cert.microsoft.com. Comment: For SPAM and other abuse issues, such as Microsoft Accounts, please contact: Comment: * abuse@microsoft.com. Comment: To report security vulnerabilities in Microsoft products and services, please contact: Comment: * secure@microsoft.com. Comment: For legal and law enforcement-related requests, please contact: Comment: * msndcc@microsoft.com Comment: For routing, peering or DNS issues, please Comment: contact: Comment: * IOC@microsoft.com RegDate: 1998-07-10 Updated: 2025-06-10 OrgAdminHandle: IPHOS5-ARIN OrgTechHandle: BEDAR6-ARIN OrgTechHandle: IPHOS5-ARIN OrgTechHandle: MRPD-ARIN OrgTechHandle: SINGH683-ARIN OrgAbuseHandle: MAC74-ARIN OrgRoutingHandle: CHATU3-ARIN Source: ARIN OrgAdminHandle: IPHOS5-ARIN OrgAdminName: IPHostmaster IPHostmaster # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: BEDAR6-ARIN OrgTechName: Dawn Bedard # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: IPHOS5-ARIN OrgTechName: IPHostmaster IPHostmaster # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: MRPD-ARIN OrgTechName: Microsoft Routing, Peering, and DNS # Email removed, Log into bgp.tools to see whois emails OrgTechHandle: SINGH683-ARIN OrgTechName: Prachi Singh # Email removed, Log into bgp.tools to see whois emails OrgAbuseHandle: MAC74-ARIN OrgAbuseName: Microsoft Abuse Contact # Email removed, Log into bgp.tools to see whois emails OrgRoutingHandle: CHATU3-ARIN OrgRoutingName: Somesh Chaturmohta # Email removed, Log into bgp.tools to see whois emailsLast Update: 2026-02-11T03:30:57Z UTC
Member of the following AS-SETs
| - | Member | ASN Count |
|---|---|---|
| LEVEL3 | as-level3-customers-na | 0 |
| RIPE | as-nv | 5742 |
| RADB | as-learn-8075 | 12 |
| RADB | as7606:as-sa-ix | 23974 |
| RIPE | as-hotnet-il | 116 |
| APNIC | as58807:as-asiaascust | 23302 |
| RIPE | as-bix-bg | 81718 |
| RIPE | as-ignemea | 152 |
| RADB | as-th-ix-as45458 | 198 |
| RADB | as-microsoft | 9 |
| APNIC | as1221:as-customers | 4719 |
| LEVEL3 | as-level3-origins-na | 0 |
| RADB | as-10099 | 863 |
| LEVEL3 | as-lumen-customers-asns | 10695 |
| RADB | as63830:as-akl-ix | 54826 |
| RIPE | as-microsofteu | 16 |
| RADB | as58807:as-asiaascust | 23302 |
| RADB | as-telstra-intl-customers-4637 | 1599 |
| RADB | as-thix | 986 |
| ALTDB | as-microsoft | 9 |