[ IP ]

132.239.50.100

#462,773Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #462,773(23 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen
Last seen: Fri Oct 02 2026 09:32:58 GM
PDNS hits (90 days): 23
Country: US
Snapshot: 1970-01-01

Network operated by University of California, San Diego (UCSD-1-Z) (UCSD-SUBNETS).

List rank history

30 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more accumulated passive-DNS observation evidence.

Whois — 132.239.50.100

Netname: UCSD-SUBNETS
Organization: University of California, San Diego (UCSD-1-Z)
Country: US
ASN: —

Registry record

WHOIS

Registry fields

Network range: 132.239.0.0 - 132.239.255.255
CIDR: 132.239.0.0/16
Network name: UCSD-SUBNETS
Net Handle: NET-132-239-0-0-1
Parent network: NET132 (NET-132-0-0-0-0)

Hosted domains — PDNS pivot

No hosted domains found for 132.239.50.100 in passive DNS yet.

# # 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: 132.239.0.0 - 132.239.255.255 CIDR: 132.239.0.0/16 NetName: UCSD-SUBNETS NetHandle: NET-132-239-0-0-1 Parent: NET132 (NET-132-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: University of California, San Diego (UCSD-1-Z) RegDate: 1989-03-27 Updated: 2023-12-19 Ref: https://rdap.arin.net/registry/ip/132.239.0.0 OrgName: University of California, San Diego OrgId: UCSD-1-Z Address: IT Services Address: 9500 Gilman Dr, #0903 Address: Attn: Hostmaster City: La Jolla StateProv: CA PostalCode: 92093-0903 Country: US RegDate: 2023-08-23 Updated: 2026-05-15 Ref: https://rdap.arin.net/registry/entity/UCSD-1-Z OrgTechHandle: NOC1807-ARIN OrgTechName: Network Operations Center OrgTechPhone: +1-858-822-0249 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/NOC1807-ARIN OrgRoutingHandle: NOC1807-ARIN OrgRoutingName: Network Operations Center OrgRoutingPhone: +1-858-822-0249 OrgRoutingEmail: [email protected] OrgRoutingRef: https://rdap.arin.net/registry/entity/NOC1807-ARIN OrgAbuseHandle: NOC1807-ARIN OrgAbuseName: Network Operations Center OrgAbusePhone: +1-858-822-0249 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/NOC1807-ARIN OrgDNSHandle: NOC1807-ARIN OrgDNSName: Network Operations Center OrgDNSPhone: +1-858-822-0249 OrgDNSEmail: [email protected] OrgDNSRef: https://rdap.arin.net/registry/entity/NOC1807-ARIN OrgAbuseHandle: UNA13-ARIN OrgAbuseName: UCSD Network Abuse OrgAbusePhone: +1-858-822-0249 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/UNA13-ARIN OrgNOCHandle: NOC1807-ARIN OrgNOCName: Network Operations Center OrgNOCPhone: +1-858-822-0249 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/NOC1807-ARIN RNOCHandle: NOC1807-ARIN RNOCName: Network Operations Center RNOCPhone: +1-858-822-0249 RNOCEmail: [email protected] RNOCRef: https://rdap.arin.net/registry/entity/NOC1807-ARIN RTechHandle: NOC1807-ARIN RTechName: Network Operations Center RTechPhone: +1-858-822-0249 RTechEmail: [email protected] RTechRef: https://rdap.arin.net/registry/entity/NOC1807-ARIN RAbuseHandle: ABUSE878-ARIN RAbuseName: Abuse RAbusePhone: +1-858-534-2230 RAbuseEmail: [email protected] RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE878-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. #