# # 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: 104.16.0.0 - 104.31.255.255 CIDR: 104.16.0.0/12 NetName: CLOUDFLARENET NetHandle: NET-104-16-0-0-1 Parent: NET104 (NET-104-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Cloudflare, Inc. (CLOUD14) RegDate: 2014-03-28 Updated: 2024-09-04 Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse Comment: Geofeed: https://api.cloudflare.com/local-ip-ranges.csv Ref: https://rdap.arin.net/registry/ip/104.16.0.0 OrgName: Cloudflare, Inc. OrgId: CLOUD14 Address: 101 Townsend Street City: San Francisco StateProv: CA PostalCode: 94107 Country: US RegDate: 2010-07-09 Updated: 2024-11-25 Ref: https://rdap.arin.net/registry/entity/CLOUD14 OrgAbuseHandle: ABUSE2916-ARIN OrgAbuseName: Abuse OrgAbusePhone: +1-650-319-8930 OrgAbuseEmail: abuse@cloudflare.com OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN OrgNOCHandle: CLOUD146-ARIN OrgNOCName: Cloudflare-NOC OrgNOCPhone: +1-650-319-8930 OrgNOCEmail: noc@cloudflare.com OrgNOCRef: https://rdap.arin.net/registry/entity/CLOUD146-ARIN OrgRoutingHandle: CLOUD146-ARIN OrgRoutingName: Cloudflare-NOC OrgRoutingPhone: +1-650-319-8930 OrgRoutingEmail: noc@cloudflare.com OrgRoutingRef: https://rdap.arin.net/registry/entity/CLOUD146-ARIN OrgTechHandle: ADMIN2521-ARIN OrgTechName: Admin OrgTechPhone: +1-650-319-8930 OrgTechEmail: rir@cloudflare.com OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN RTechHandle: ADMIN2521-ARIN RTechName: Admin RTechPhone: +1-650-319-8930 RTechEmail: rir@cloudflare.com RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN RAbuseHandle: ABUSE2916-ARIN RAbuseName: Abuse RAbusePhone: +1-650-319-8930 RAbuseEmail: abuse@cloudflare.com RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN RNOCHandle: NOC11962-ARIN RNOCName: NOC RNOCPhone: +1-650-319-8930 RNOCEmail: noc@cloudflare.com RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-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 186.131.16.104.in-addr.arpa. not found: 3(NXDOMAIN)

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.9 <<>> 104.16.131.186 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9058 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;104.16.131.186. IN A ;; AUTHORITY SECTION: . 86399 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026031701 1800 900 604800 86400 ;; Query time: 4 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Tue Mar 17 20:23:57 UTC 2026 ;; MSG SIZE rcvd: 118

** server can't find 186.131.16.104.in-addr.arpa.: NXDOMAIN

PING 104.16.131.186 (104.16.131.186) 56(84) bytes of data. 64 bytes from 104.16.131.186: icmp_seq=1 ttl=54 time=4.27 ms 64 bytes from 104.16.131.186: icmp_seq=2 ttl=54 time=4.09 ms 64 bytes from 104.16.131.186: icmp_seq=3 ttl=54 time=4.07 ms --- 104.16.131.186 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2002ms rtt min/avg/max/mdev = 4.071/4.143/4.270/0.116 ms

traceroute to 104.16.131.186 (104.16.131.186), 30 hops max, 60 byte packets 1 gateway (172.31.1.1) 3.047 ms 3.289 ms 3.348 ms 2 13433.your-cloud.host (195.201.64.234) 1.000 ms 1.075 ms 1.200 ms 3 * * * 4 * * * 5 core-spine-rdev2.cloud1.nbg1.hetzner.com (213.239.239.122) 1.899 ms core-spine-rdev1.cloud1.nbg1.hetzner.com (213.239.203.102) 2.102 ms core-spine-rdev2.cloud1.nbg1.hetzner.com (213.239.239.122) 1.996 ms 6 core11.nbg1.hetzner.com (213.239.239.121) 2.139 ms core12.nbg1.hetzner.com (213.239.239.141) 0.736 ms core11.nbg1.hetzner.com (213.239.239.121) 0.822 ms 7 core0.fra.hetzner.com (213.239.252.25) 4.712 ms core1.fra.hetzner.com (213.239.245.250) 4.941 ms core5.fra.hetzner.com (213.239.224.238) 4.937 ms 8 core9.fra.hetzner.com (213.239.252.18) 5.169 ms 5.148 ms core8.fra.hetzner.com (213.239.245.126) 5.122 ms 9 162.158.84.254 (162.158.84.254) 6.180 ms static.213-133-112-34.clients.your-server.de (213.133.112.34) 5.382 ms 162.158.84.254 (162.158.84.254) 5.534 ms 10 162.158.84.79 (162.158.84.79) 4.650 ms 3.787 ms 3.692 ms 11 162.158.84.251 (162.158.84.251) 4.376 ms 162.158.84.219 (162.158.84.219) 4.524 ms 162.158.84.39 (162.158.84.39) 4.121 ms 12 104.16.131.186 (104.16.131.186) 4.061 ms 4.040 ms 4.094 ms

Country code: US Country name: United States of America ASN: AS13335 CloudFlare Inc