[ IP ]
131.215.140.144
#164,456Top IPs · 1M scope1 domain
Overview
Top IPs list rank
- 1M
- #164,456(1 domains)
- Hosted domains (90 days)
- 1
- Hosted domains (all time)
- 1
- First seen
- Mon Jul 13 2026 09:05:58 GM
- Last seen
- Wed Jul 22 2026 09:05:01 GM
- PDNS hits (90 days)
- 29
- Country
- US
- Snapshot
- 1970-01-01
Network operated by California Institute of Technology (CIT-4-Z) (CALTECH-NET).
List rank history
1 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more hosted domains in scope.
Whois — 131.215.140.144
- Netname
- CALTECH-NET
- Organization
- California Institute of Technology (CIT-4-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. # NetRange: 131.215.0.0 - 131.215.255.255 CIDR: 131.215.0.0/16 NetName: CALTECH-NET NetHandle: NET-131-215-0-0-1 Parent: NET131 (NET-131-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: California Institute of Technology (CIT-4-Z) RegDate: 1989-01-19 Updated: 2023-08-29 Ref: https://rdap.arin.net/registry/ip/131.215.0.0 OrgName: California Institute of Technology OrgId: CIT-4-Z Address: 1200 East California Boulevard Address: MS 1-10 City: Pasadena StateProv: CA PostalCode: 91125 Country: US RegDate: 2023-08-22 Updated: 2023-08-22 Ref: https://rdap.arin.net/registry/entity/CIT-4-Z OrgTechHandle: CI2-ORG-ARIN OrgTechName: Caltech Network Operations Center OrgTechPhone: +1-626-395-3500 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/CI2-ORG-ARIN OrgAbuseHandle: CI2-ORG-ARIN OrgAbuseName: Caltech Network Operations Center OrgAbusePhone: +1-626-395-3500 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/CI2-ORG-ARIN RAbuseHandle: CI2-ORG-ARIN RAbuseName: Caltech Network Operations Center RAbusePhone: +1-626-395-3500 RAbuseEmail: [email protected] RAbuseRef: https://rdap.arin.net/registry/entity/CI2-ORG-ARIN RTechHandle: CI2-ORG-ARIN RTechName: Caltech Network Operations Center RTechPhone: +1-626-395-3500 RTechEmail: [email protected] RTechRef: https://rdap.arin.net/registry/entity/CI2-ORG-ARIN RNOCHandle: CI2-ORG-ARIN RNOCName: Caltech Network Operations Center RNOCPhone: +1-626-395-3500 RNOCEmail: [email protected] RNOCRef: https://rdap.arin.net/registry/entity/CI2-ORG-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. #
Open ports — 131.215.140.144
Port scan not run for 131.215.140.144 yet. Probes are queued from passive DNS IPs in the worker pipeline.