# # 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 1997-2022, American Registry for Internet Numbers, Ltd. # NetRange: 100.64.0.0 - 100.127.255.255 CIDR: 100.64.0.0/10 NetName: SHARED-ADDRESS-SPACE-RFC6598-IANA-RESERVED NetHandle: NET-100-64-0-0-1 Parent: NET100 (NET-100-0-0-0-0) NetType: IANA Special Use OriginAS: Organization: Internet Assigned Numbers Authority (IANA) RegDate: 2012-03-13 Updated: 2022-04-05 Comment: This block is used as Shared Address Space. Traffic from these addresses does not come from IANA. IANA has simply reserved these numbers in its database and does not use or operate them. We are not the source of activity you may see on logs or in e-mail records. Please refer to http://www.iana.org/abuse/ Comment: Comment: Shared Address Space can only be used in Service Provider networks or on routing equipment that is able to do address translation across router interfaces when addresses are identical on two different interfaces. Comment: Comment: This block was assigned by the IETF in the Best Current Practice document, Comment: RFC 6598 which can be found at: Comment: http://tools.ietf.org/html/rfc6598 Ref: https://rdap.arin.net/registry/ip/100.64.0.0 OrgName: Internet Assigned Numbers Authority OrgId: IANA Address: 12025 Waterfront Drive Address: Suite 300 City: Los Angeles StateProv: CA PostalCode: 90292 Country: US RegDate: Updated: 2012-08-31 Ref: https://rdap.arin.net/registry/entity/IANA OrgAbuseHandle: IANA-IP-ARIN OrgAbuseName: ICANN OrgAbusePhone: +1-310-301-5820 OrgAbuseEmail: abuse@iana.org OrgAbuseRef: https://rdap.arin.net/registry/entity/IANA-IP-ARIN OrgTechHandle: IANA-IP-ARIN OrgTechName: ICANN OrgTechPhone: +1-310-301-5820 OrgTechEmail: abuse@iana.org OrgTechRef: https://rdap.arin.net/registry/entity/IANA-IP-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 1997-2022, American Registry for Internet Numbers, Ltd. #

Host 18.21.103.100.in-addr.arpa. not found: 3(NXDOMAIN)

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.9 <<>> 100.103.21.18 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39329 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;100.103.21.18. IN A ;; AUTHORITY SECTION: . 86399 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2022120900 1800 900 604800 86400 ;; Query time: 4 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Fri Dec 09 11:30:48 UTC 2022 ;; MSG SIZE rcvd: 117

** server can't find 18.21.103.100.in-addr.arpa.: NXDOMAIN

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