[ IP ]
23.99.91.55
#24,548Top IPs · 1M scope7 domains
Overview
Top IPs list rank
- 1M
- #24,548(7 domains)
- Hosted domains (90 days)
- 7
- Hosted domains (all time)
- 7
- First seen
- Mon Jul 13 2026 00:17:38 GM
- Last seen
- Fri Jul 24 2026 08:48:40 GM
- PDNS hits (90 days)
- 67
- Country
- US
- Snapshot
- 1970-01-01
Network operated by Microsoft Corporation (MSFT) (MSFT).
List rank history
1 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more hosted domains in scope.
Whois — 23.99.91.55
- Netname
- MSFT
- Organization
- Microsoft Corporation (MSFT)
- Country
- US
- ASN
- —
Full whois record
# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. # NetRange: 23.96.0.0 - 23.103.255.255 CIDR: 23.96.0.0/13 NetName: MSFT NetHandle: NET-23-96-0-0-1 Parent: NET23 (NET-23-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Microsoft Corporation (MSFT) RegDate: 2013-06-18 Updated: 2021-12-14 Ref: https://rdap.arin.net/registry/ip/23.96.0.0 OrgName: Microsoft Corporation OrgId: MSFT Address: One Microsoft Way City: Redmond StateProv: WA PostalCode: 98052 Country: US RegDate: 1998-07-10 Updated: 2025-06-10 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: Comment: For SPAM and other abuse issues, such as Microsoft Accounts, please contact: Comment: * [email protected]. Comment: Comment: To report security vulnerabilities in Microsoft products and services, please contact: Comment: * [email protected]. Comment: Comment: For legal and law enforcement-related requests, please contact: Comment: * [email protected] Comment: Comment: For routing, peering or DNS issues, please Comment: contact: Comment: * [email protected] Ref: https://rdap.arin.net/registry/entity/MSFT OrgTechHandle: BEDAR6-ARIN OrgTechName: Bedard, Dawn OrgTechPhone: +1-425-538-6637 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/BEDAR6-ARIN OrgRoutingHandle: CHATU3-ARIN OrgRoutingName: Chaturmohta, Somesh OrgRoutingPhone: +1-425-882-8080 OrgRoutingEmail: [email protected] OrgRoutingRef: https://rdap.arin.net/registry/entity/CHATU3-ARIN OrgTechHandle: SINGH683-ARIN OrgTechName: Singh, Prachi OrgTechPhone: +1-425-707-5601 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/SINGH683-ARIN OrgTechHandle: IPHOS5-ARIN OrgTechName: IPHostmaster, IPHostmaster OrgTechPhone: +1-425-538-6637 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/IPHOS5-ARIN OrgAbuseHandle: MAC74-ARIN OrgAbuseName: Microsoft Abuse Contact OrgAbusePhone: +1-425-882-8080 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/MAC74-ARIN OrgTechHandle: MRPD-ARIN OrgTechName: Microsoft Routing, Peering, and DNS OrgTechPhone: +1-425-882-8080 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/MRPD-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2026, American Registry for Internet Numbers, Ltd. #
Open ports — 23.99.91.55
Port scan not run for 23.99.91.55 yet. Probes are queued from passive DNS IPs in the worker pipeline.