51.103.125.121
- Reverse DNS confirmed
- Not on blocklists
- Network
- cloud
- Held by
- MICROSOFT-MAINT
- Range
- 51.103.0.0 - 51.103.255.255
- CIDR
- 51.103.0.0/16
- Type
- LEGACY
- Country
- EU
- Registered on
- Last updated
- Status
- active
- Report abuse to
- abuse@microsoft.com
Reverse DNS
- Names
- Forward check
- Confirmedbtars-prod13-ne-2-fa.francecentral.cloudapp.azure.com resolves to 51.103.125.121
Network
- Announced by
- AS8075 Microsoft Corporation
- Route
- 51.103.0.0/16, carried by 3,413 of bgp.tools' BGP feeds
- Kind
- Content
- Country
- US
- Tagged
- Tor services, Server Hosting, Anycast, Internet Critical Infra, Tranco 10k Host, Validating RPKI ROV
Upstreams and peers
- AS1299 Arelion (fka. Telia Carrier)278 paths
- AS6939 Hurricane Electric LLC239 paths
- AS4755 TATA Communications (formerly VSNL)229 paths
- AS6762 Telecom Italia Sparkle (Seabone)192 paths
- AS3356 Lumen (Level 3)184 paths
- AS174 Cogent Communications, LLC127 paths
- AS12956 Telxius (Telefonica Global)124 paths
- AS9002 RETN Limited46 paths
- AS6453 TATA Communications (America) Inc44 paths
- AS34549 meerfarbig GmbH & Co. KG39 paths
- AS25091 IP-Max SA32 paths
- AS3491 PCCW Global (HK) Ltd.31 paths
And 108 more
From RIPEstat
Routes AS8075 announces
1,235 IPv4 prefixes covering 81,118,720 addresses, and 123 IPv6 prefixes
IPv4
- 20.64.0.0/10
- 20.192.0.0/10
- 13.64.0.0/11
- 20.0.0.0/11
- 48.224.0.0/11
- 52.160.0.0/11
- 52.224.0.0/11
- 107.32.0.0/11
- 172.128.0.0/11
- 172.160.0.0/11
- 4.144.0.0/12
- 4.160.0.0/12
- 4.176.0.0/12
- 4.192.0.0/12
- 4.208.0.0/12
- 4.224.0.0/12
- 4.240.0.0/12
- 20.48.0.0/12
- 20.160.0.0/12
- 40.80.0.0/12
- 48.160.0.0/12
- 48.192.0.0/12
- 52.96.0.0/12
- 57.160.0.0/12
- 74.144.0.0/12
- 20.40.0.0/13
- 20.184.0.0/13
- 31.80.0.0/13
- 40.96.0.0/13
- 40.112.0.0/13
- 48.176.0.0/13
- 48.184.0.0/13
- 48.208.0.0/13
- 52.136.0.0/13
- 52.152.0.0/13
- 68.240.0.0/13
- 104.40.0.0/13
- 104.208.0.0/13
- 145.176.0.0/13
- 172.192.0.0/13
- 172.200.0.0/13
- 172.208.0.0/13
- 191.232.0.0/13
- 13.104.0.0/14
- 20.36.0.0/14
- 23.96.0.0/14
- 40.68.0.0/14
- 40.76.0.0/14
- 40.104.0.0/14
- 40.120.0.0/14
And 1,185 more
IPv6
- 2603:1000::/25
- 2a00:1c68::/29
- 2404:f802::/31
- 2404:f800::/32
- 2a01:111::/32
- 2620:1ec::/36
- 2a01:111:2000::/36
- 2a01:111:4000::/36
- 2a01:111:f000::/36
- 2620:0:30::/45
- 2001:67c:4f8::/48
- 2001:698::/48
- 2001:698:1::/48
- 2001:df0:7::/48
- 2001:df0:d7::/48
- 2001:df0:d8::/48
- 2001:df0:d9::/48
- 2001:df0:59c0::/48
- 2001:3bc0:b1d::/48
- 2401:ef40::/48
- 2402:7d80::/48
- 2402:7d80:8888::/48
- 2407:30c0:184::/48
- 2407:30c0:186::/48
- 2602:801:600a::/48
- 2602:812:200a::/48
- 2602:f36c:fff::/48
- 2602:f73e::/48
- 2602:f742::/48
- 2602:f742:1::/48
- 2602:f742:2::/48
- 2602:f742:3::/48
- 2602:f742:5::/48
- 2602:f742:3f::/48
- 2602:f7be:102::/48
- 2602:f8d5:a0::/48
- 2602:f8d5:a1::/48
- 2602:f8d5:a3::/48
- 2602:f8d5:a6::/48
- 2602:f8d5:a8::/48
- 2602:fc31:4::/48
- 2602:fdeb:50::/48
- 2602:fdeb:52::/48
- 2602:fdeb:53::/48
- 2602:fdeb:54::/48
- 2602:fdeb:55::/48
- 2602:fdeb:61::/48
- 2602:fdeb:62::/48
- 2602:fdeb:63::/48
- 2602:fdeb:64::/48
And 73 more
From bgp.tools
Location
- Location
- Paris, Île-de-France, France
- Accuracy
- Within 20 km
Location from GeoLite2 data created by MaxMind
Blocklists
- Spamhaus ZEN Not listed
- SpamCop Not listed
- Mailspike Not listed
- PSBL Not listed
Abuse reports
- Reports
- None in the last year
- Used for
- Data Center/Web Hosting/Transit
- Provider
- Microsoft Limited
From AbuseIPDB
WHOIS
% This is the RIPE Database query service. % The objects are in RPSL format. % % The RIPE Database is subject to Terms and Conditions. % See https://docs.db.ripe.net/terms-conditions.html % Note: this output has been filtered. % To receive output for a database update, use the "-B" flag. % Information related to '51.103.0.0 - 51.103.255.255' % Abuse contact for '51.103.0.0 - 51.103.255.255' is 'abuse@microsoft.com' inetnum: 51.103.0.0 - 51.103.255.255 netname: cloud country: EU admin-c: DH5439-RIPE tech-c: MRPA3-RIPE status: LEGACY mnt-by: MICROSOFT-MAINT created: 2025-09-05T18:13:18Z last-modified: 2025-09-05T18:13:18Z source: RIPE role: Microsoft Routing, Peering, and DNS address: One Microsoft Way address: Redmond, WA 98052 nic-hdl: MRPA3-RIPE mnt-by: MICROSOFT-MAINT created: 2014-08-26T16:25:24Z last-modified: 2014-08-26T16:25:24Z source: RIPE # Filtered person: Divya Quamara address: One Microsoft Way address: Redmond, WA 98052 phone: +1-425-882-8080 nic-hdl: DH5439-RIPE mnt-by: MICROSOFT-MAINT created: 2014-08-26T16:24:14Z last-modified: 2016-02-19T07:09:41Z source: RIPE % Information related to '51.103.0.0/16AS8075' route: 51.103.0.0/16 origin: AS8075 descr: Microsoft mnt-by: MICROSOFT-MAINT created: 2020-07-20T21:01:42Z last-modified: 2020-07-20T21:01:42Z source: RIPE # Filtered % This query was served by the RIPE Database Query Service version 1.124.1 (SHETLAND)