[ IP ]
18.203.21.28
#166,909Top IPs · 1M scope1 domain
Overview
Top IPs list rank
- 1M
- #166,909(1 domains)
- Hosted domains (90 days)
- 1
- Hosted domains (all time)
- 1
- First seen
- Wed Jul 15 2026 16:28:58 GM
- Last seen
- Mon Jul 20 2026 09:59:06 GM
- PDNS hits (90 days)
- 14
- Country
- US
- Snapshot
- 1970-01-01
Network operated by Amazon Technologies Inc. (AT-88-Z) (AT-88-Z).
List rank history
1 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more hosted domains in scope.
Whois — 18.203.21.28
- Netname
- AT-88-Z
- Organization
- Amazon Technologies Inc. (AT-88-Z)
- 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: 18.32.0.0 - 18.255.255.255 CIDR: 18.32.0.0/11, 18.128.0.0/9, 18.64.0.0/10 NetName: AT-88-Z NetHandle: NET-18-32-0-0-1 Parent: NET18 (NET-18-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Amazon Technologies Inc. (AT-88-Z) RegDate: 2019-10-07 Updated: 2021-02-10 Ref: https://rdap.arin.net/registry/ip/18.32.0.0 OrgName: Amazon Technologies Inc. OrgId: AT-88-Z Address: 410 Terry Ave N. City: Seattle StateProv: WA PostalCode: 98109 Country: US RegDate: 2011-12-08 Updated: 2026-04-17 Comment: All abuse reports MUST include: Comment: * src IP Comment: * dest IP (your IP) Comment: * dest port Comment: * Accurate date/timestamp and timezone of activity Comment: * Intensity/frequency (short log extracts) Comment: * Your contact details (phone and email) Without these we will be unable to identify the correct owner of the IP address at that point in time. Ref: https://rdap.arin.net/registry/entity/AT-88-Z OrgRoutingHandle: IPROU3-ARIN OrgRoutingName: IP Routing OrgRoutingPhone: +1-206-555-0000 OrgRoutingEmail: [email protected] OrgRoutingRef: https://rdap.arin.net/registry/entity/IPROU3-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 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 OrgDNSHandle: DNS1131-ARIN OrgDNSName: DNS OrgDNSPhone: +1-202-555-0000 OrgDNSEmail: [email protected] OrgDNSRef: https://rdap.arin.net/registry/entity/DNS1131-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 # end # start NetRange: 18.202.0.0 - 18.203.255.255 CIDR: 18.202.0.0/15 NetName: AMAZON-DUB NetHandle: NET-18-202-0-0-2 Parent: AT-88-Z (NET-18-32-0-0-1) NetType: Reallocated OriginAS: Organization: Amazon Data Services Ireland Limited (ADSIL-1) RegDate: 2018-04-25 Updated: 2021-02-10 Ref: https://rdap.arin.net/registry/ip/18.202.0.0 OrgName: Amazon Data Services Ireland Limited OrgId: ADSIL-1 Address: Unit 4033, Citywest Avenue Citywest Business Park City: Dublin StateProv: D24 PostalCode: Country: IE RegDate: 2014-07-18 Updated: 2014-07-18 Ref: https://rdap.arin.net/registry/entity/ADSIL-1 OrgAbuseHandle: AEA8-ARIN OrgAbuseName: Amazon EC2 Abuse OrgAbusePhone: +1-206-555-0000 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-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 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 # 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 — 18.203.21.28
Port scan not run for 18.203.21.28 yet. Probes are queued from passive DNS IPs in the worker pipeline.