# # 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: 52.96.0.0 - 52.115.255.255 CIDR: 52.96.0.0/12, 52.112.0.0/14 NetName: MSFT NetHandle: NET-52-96-0-0-1 Parent: NET52 (NET-52-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Microsoft Corporation (MSFT) RegDate: 2015-11-24 Updated: 2021-12-14 Ref: https://rdap.arin.net/registry/ip/52.96.0.0 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: * abuse@microsoft.com. Comment: Comment: To report security vulnerabilities in Microsoft products and services, please contact: Comment: * secure@microsoft.com. Comment: Comment: For legal and law enforcement-related requests, please contact: Comment: * msndcc@microsoft.com Comment: Comment: For routing, peering or DNS issues, please Comment: contact: Comment: * IOC@microsoft.com Ref: https://rdap.arin.net/registry/entity/MSFT OrgTechHandle: BEDAR6-ARIN OrgTechName: Bedard, Dawn OrgTechPhone: +1-425-538-6637 OrgTechEmail: dabedard@microsoft.com OrgTechRef: https://rdap.arin.net/registry/entity/BEDAR6-ARIN OrgRoutingHandle: CHATU3-ARIN OrgRoutingName: Chaturmohta, Somesh OrgRoutingPhone: +1-425-882-8080 OrgRoutingEmail: someshch@microsoft.com OrgRoutingRef: https://rdap.arin.net/registry/entity/CHATU3-ARIN OrgTechHandle: SINGH683-ARIN OrgTechName: Singh, Prachi OrgTechPhone: +1-425-707-5601 OrgTechEmail: pracsin@microsoft.com OrgTechRef: https://rdap.arin.net/registry/entity/SINGH683-ARIN OrgTechHandle: IPHOS5-ARIN OrgTechName: IPHostmaster, IPHostmaster OrgTechPhone: +1-425-538-6637 OrgTechEmail: iphostmaster@microsoft.com OrgTechRef: https://rdap.arin.net/registry/entity/IPHOS5-ARIN OrgAbuseHandle: MAC74-ARIN OrgAbuseName: Microsoft Abuse Contact OrgAbusePhone: +1-425-882-8080 OrgAbuseEmail: abuse@microsoft.com OrgAbuseRef: https://rdap.arin.net/registry/entity/MAC74-ARIN OrgTechHandle: MRPD-ARIN OrgTechName: Microsoft Routing, Peering, and DNS OrgTechPhone: +1-425-882-8080 OrgTechEmail: IOC@microsoft.com 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. #

Host 39.129.104.52.in-addr.arpa. not found: 3(NXDOMAIN)

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.9 <<>> 52.104.129.39 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57989 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;52.104.129.39. IN A ;; AUTHORITY SECTION: . 86399 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026062100 1800 900 604800 86400 ;; Query time: 5 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Sun Jun 21 17:12:25 UTC 2026 ;; MSG SIZE rcvd: 117

** server can't find 39.129.104.52.in-addr.arpa.: NXDOMAIN

PING 52.104.129.39 (52.104.129.39) 56(84) bytes of data. 64 bytes from 52.104.129.39: icmp_seq=1 ttl=229 time=154 ms 64 bytes from 52.104.129.39: icmp_seq=2 ttl=229 time=154 ms 64 bytes from 52.104.129.39: icmp_seq=3 ttl=229 time=154 ms --- 52.104.129.39 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2002ms rtt min/avg/max/mdev = 154.429/154.544/154.764/0.479 ms

traceroute to 52.104.129.39 (52.104.129.39), 30 hops max, 60 byte packets 1 gateway (172.31.1.1) 2.392 ms 2.570 ms 2.558 ms 2 19566.your-cloud.host (168.119.217.206) 0.596 ms 0.602 ms 0.597 ms 3 * * * 4 * * * 5 core-spine-rdev1.cloud1.nbg1.hetzner.com (213.239.203.102) 0.996 ms core-spine-rdev2.cloud1.nbg1.hetzner.com (213.239.239.122) 1.098 ms core-spine-rdev1.cloud1.nbg1.hetzner.com (213.239.203.102) 1.083 ms 6 core12.nbg1.hetzner.com (213.239.203.105) 1.211 ms core11.nbg1.hetzner.com (213.239.239.121) 0.783 ms core12.nbg1.hetzner.com (213.239.239.141) 0.733 ms 7 core5.fra.hetzner.com (213.239.224.234) 3.886 ms 3.486 ms core5.fra.hetzner.com (213.239.224.238) 3.504 ms 8 ae72-0.ipr02.fra33.ntwk.msn.net (104.44.37.193) 3.446 ms 3.336 ms ae74-0.ier01.fra32.ntwk.msn.net (104.44.197.103) 3.424 ms 9 * po1200.ewa02.fra33.ntwk.msn.net (51.10.44.210) 3.413 ms 3.407 ms 10 be1121.owr01.fra25.ntwk.msn.net (51.10.47.161) 157.401 ms * * 11 be1.owr01.fra26.ntwk.msn.net (104.44.52.150) 155.913 ms * * 12 * be12.ibr02.par21.ntwk.msn.net (51.10.27.104) 156.359 ms be11.ibr01.par21.ntwk.msn.net (51.10.25.180) 155.998 ms 13 be9.ibr02.bio30.ntwk.msn.net (104.44.31.117) 159.192 ms * be9.ibr01.bio30.ntwk.msn.net (104.44.31.115) 156.605 ms 14 * * be9.ibr02.bio30.ntwk.msn.net (104.44.31.117) 155.997 ms 15 be5.ibr03.orf70.ntwk.msn.net (51.10.8.108) 156.452 ms 156.244 ms be3.owr02.lvl02.ntwk.msn.net (104.44.19.47) 157.089 ms 16 * be4.owr01.lvl02.ntwk.msn.net (104.44.19.3) 156.765 ms * 17 be1.owr02.atl31.ntwk.msn.net (104.44.50.17) 156.635 ms * * 18 be12.owr02.fty01.ntwk.msn.net (51.10.49.247) 157.217 ms 156.755 ms * 19 be5.owr02.bna31.ntwk.msn.net (51.10.36.99) 158.215 ms * * 20 be6.owr02.cys13.ntwk.msn.net (51.10.19.215) 158.439 ms * be6.owr01.cys13.ntwk.msn.net (51.10.19.211) 158.312 ms 21 be6.owr02.cys13.ntwk.msn.net (51.10.19.215) 158.539 ms 158.673 ms * 22 be4.ibr01.mwh01.ntwk.msn.net (104.44.19.44) 156.734 ms * * 23 * be9.owr01.co7.ntwk.msn.net (51.10.34.11) 157.509 ms * 24 * * * 25 * * * 26 * * * 27 po1011.rwa03.co7.ntwk.msn.net (51.10.6.238) 155.788 ms * * 28 * * * 29 * * * 30 * * *

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