[ IP ]
100.21.73.243
#328,738Top IPs · 1M scope1 domain1 open port
Overview
Top IPs list rank
- 1M
- #328,738(1 domains)
- Hosted domains (90 days)
- 1
- Hosted domains (all time)
- 1
- First seen
- Wed Jul 22 2026 18:08:26 GM
- Last seen
- Wed Jul 22 2026 18:08:26 GM
- PDNS hits (90 days)
- 3
- Country
- US
- Snapshot
- 1970-01-01
Network operated by Amazon.com, Inc. (AMAZO-4) (AMAZO-4).
List rank history
2 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more hosted domains in scope.
Whois — 100.21.73.243
- Netname
- AMAZO-4
- Organization
- Amazon.com, Inc. (AMAZO-4)
- 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. # # start NetRange: 100.20.0.0 - 100.31.255.255 CIDR: 100.24.0.0/13, 100.20.0.0/14 NetName: AMAZO-4 NetHandle: NET-100-20-0-0-1 Parent: NET100 (NET-100-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Amazon.com, Inc. (AMAZO-4) RegDate: 2018-01-10 Updated: 2018-01-10 Ref: https://rdap.arin.net/registry/ip/100.20.0.0 OrgName: Amazon.com, Inc. OrgId: AMAZO-4 Address: Amazon Web Services, Inc. Address: P.O. Box 81226 City: Seattle StateProv: WA PostalCode: 98108-1226 Country: US RegDate: 2005-09-29 Updated: 2026-04-17 Comment: For details of this service please see Comment: http://ec2.amazonaws.com Ref: https://rdap.arin.net/registry/entity/AMAZO-4 OrgRoutingHandle: IPROU3-ARIN OrgRoutingName: IP Routing OrgRoutingPhone: +1-206-555-0000 OrgRoutingEmail: [email protected] OrgRoutingRef: https://rdap.arin.net/registry/entity/IPROU3-ARIN OrgAbuseHandle: AEA8-ARIN OrgAbuseName: Amazon EC2 Abuse OrgAbusePhone: +1-206-555-0000 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN OrgDNSHandle: DNS1131-ARIN OrgDNSName: DNS OrgDNSPhone: +1-202-555-0000 OrgDNSEmail: [email protected] OrgDNSRef: https://rdap.arin.net/registry/entity/DNS1131-ARIN OrgTechHandle: ANO24-ARIN OrgTechName: Amazon EC2 Network Operations OrgTechPhone: +1-206-555-0000 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN OrgNOCHandle: AANO1-ARIN OrgNOCName: Amazon AWS Network Operations OrgNOCPhone: +1-206-555-0000 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/AANO1-ARIN OrgRoutingHandle: ARMP-ARIN OrgRoutingName: AWS RPKI Management POC OrgRoutingPhone: +1-206-555-0000 OrgRoutingEmail: [email protected] OrgRoutingRef: https://rdap.arin.net/registry/entity/ARMP-ARIN # end # start NetRange: 100.20.0.0 - 100.23.255.255 CIDR: 100.20.0.0/14 NetName: AMAZO-ZPDX NetHandle: NET-100-20-0-0-2 Parent: AMAZO-4 (NET-100-20-0-0-1) NetType: Reallocated OriginAS: Organization: Amazon.com, Inc. (AMAZO-47) RegDate: 2018-05-02 Updated: 2018-05-02 Ref: https://rdap.arin.net/registry/ip/100.20.0.0 OrgName: Amazon.com, Inc. OrgId: AMAZO-47 Address: EC2, EC2 1200 12th Ave South City: Seattle StateProv: WA PostalCode: 98144 Country: US RegDate: 2011-05-10 Updated: 2021-07-22 Ref: https://rdap.arin.net/registry/entity/AMAZO-47 OrgRoutingHandle: ARMP-ARIN OrgRoutingName: AWS RPKI Management POC OrgRoutingPhone: +1-206-555-0000 OrgRoutingEmail: [email protected] OrgRoutingRef: https://rdap.arin.net/registry/entity/ARMP-ARIN OrgNOCHandle: AANO1-ARIN OrgNOCName: Amazon AWS Network Operations OrgNOCPhone: +1-206-555-0000 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/AANO1-ARIN OrgAbuseHandle: AEA8-ARIN OrgAbuseName: Amazon EC2 Abuse OrgAbusePhone: +1-206-555-0000 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN OrgTechHandle: ANO24-ARIN OrgTechName: Amazon EC2 Network Operations OrgTechPhone: +1-206-555-0000 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN OrgRoutingHandle: IPROU3-ARIN OrgRoutingName: IP Routing OrgRoutingPhone: +1-206-555-0000 OrgRoutingEmail: [email protected] OrgRoutingRef: https://rdap.arin.net/registry/entity/IPROU3-ARIN # end # # 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 — 100.21.73.243
| Port | Service | Banner | Probed |
|---|---|---|---|
| http | HTTP/301 | Title: 301 Moved Permanently | 11d ago |
1 open port of 8 probed · last scan 11d ago. Probes run via TCP connect + banner grab.