[ IP ]

134.79.138.74

#537,251Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #537,251(21 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen
Last seen: Fri Oct 02 2026 09:05:30 GM
PDNS hits (90 days): 21
Country: US
Snapshot: 1970-01-01

Network operated by SLAC National Accelerator Laboratory (THELE-44-Z) (SLAC-NET-A).

List rank history

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

Whois — 134.79.138.74

Netname: SLAC-NET-A
Organization: SLAC National Accelerator Laboratory (THELE-44-Z)
Country: US
ASN: —

Registry record

WHOIS

Registry fields

Network range: 134.79.0.0 - 134.79.255.255
CIDR: 134.79.0.0/16
Network name: SLAC-NET-A
Net Handle: NET-134-79-0-0-1
Parent network: NET134 (NET-134-0-0-0-0)

Hosted domains — PDNS pivot

No hosted domains found for 134.79.138.74 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: 134.79.0.0 - 134.79.255.255 CIDR: 134.79.0.0/16 NetName: SLAC-NET-A NetHandle: NET-134-79-0-0-1 Parent: NET134 (NET-134-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: SLAC National Accelerator Laboratory (THELE-44-Z) RegDate: 1989-05-16 Updated: 2021-12-14 Ref: https://rdap.arin.net/registry/ip/134.79.0.0 OrgName: SLAC National Accelerator Laboratory OrgId: THELE-44-Z Address: 2575 Sand Hill Rd. Address: M/S 97 City: Menlo Park StateProv: CA PostalCode: 94025 Country: US RegDate: 2009-12-04 Updated: 2020-12-11 Comment: http://www.slac.stanford.edu/ Ref: https://rdap.arin.net/registry/entity/THELE-44-Z OrgAbuseHandle: ITSEC40-ARIN OrgAbuseName: IT Security OrgAbusePhone: +1-650-926-2530 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/ITSEC40-ARIN OrgTechHandle: NEG1-ARIN OrgTechName: Network Engineering Group OrgTechPhone: +1-650-926-6200 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/NEG1-ARIN OrgNOCHandle: NOC1602-ARIN OrgNOCName: Network Operations Center OrgNOCPhone: +1-650-926-6200 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/NOC1602-ARIN OrgTechHandle: FOSTE349-ARIN OrgTechName: Foster, Mark OrgTechPhone: +1-650-926-3630 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/FOSTE349-ARIN OrgAbuseHandle: NETWO596-ARIN OrgAbuseName: Network Abuse OrgAbusePhone: +1-650-926-5000 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/NETWO596-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. #