[ IP ]
38.12.128.251
#395,589Top IPs · 1M scope0 domains
Overview
Top IPs list rank
- 1M
- #395,589(5 observation hits)
- Hosted domains (90 days)
- 0
- Hosted domains (all time)
- 0
- First seen
- Last seen
- Mon Aug 17 2026 05:11:29 GM
- PDNS hits (90 days)
- 5
- Country
- US
- Snapshot
- 1970-01-01
Network operated by Cogent Communications, LLC (COGC) (COGENT-A).
List rank history
22 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more accumulated passive-DNS observation evidence.
Whois — 38.12.128.251
- Netname
- COGENT-A
- Organization
- Cogent Communications, LLC (COGC)
- 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: 38.0.0.0 - 38.255.255.255 CIDR: 38.0.0.0/8 NetName: COGENT-A NetHandle: NET-38-0-0-0-1 Parent: () NetType: Direct Allocation OriginAS: Organization: Cogent Communications, LLC (COGC) RegDate: 1991-04-16 Updated: 2025-09-23 Ref: https://rdap.arin.net/registry/ip/38.0.0.0 OrgName: Cogent Communications, LLC OrgId: COGC Address: 2450 N Street NW City: Washington StateProv: DC PostalCode: 20037 Country: US RegDate: 2000-05-30 Updated: 2025-09-23 Comment: Geofeed https://geofeed.cogentco.com/geofeed.csv Ref: https://rdap.arin.net/registry/entity/COGC ReferralServer: rwhois://rwhois.cogentco.com:4321 OrgAbuseHandle: COGEN-ARIN OrgAbuseName: Cogent Abuse OrgAbusePhone: +1-877-875-4311 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/COGEN-ARIN OrgTechHandle: IPALL-ARIN OrgTechName: IP Allocation OrgTechPhone: +1-877-875-4311 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-ARIN OrgNOCHandle: ZC108-ARIN OrgNOCName: Cogent Communications OrgNOCPhone: +1-877-875-4311 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/ZC108-ARIN # end # start NetRange: 38.12.128.0 - 38.12.255.255 CIDR: 38.12.128.0/17 NetName: PEG-TECH-CGNT-NET-16 NetHandle: NET-38-12-128-0-1 Parent: COGENT-A (NET-38-0-0-0-1) NetType: Reallocated OriginAS: Organization: PEG TECH INC (PT-82) RegDate: 2023-08-25 Updated: 2023-08-25 Ref: https://rdap.arin.net/registry/ip/38.12.128.0 OrgName: PEG TECH INC OrgId: PT-82 Address: 2805 Mission College Blvd City: Santa Clara StateProv: CA PostalCode: 95054 Country: US RegDate: 2012-03-27 Updated: 2024-11-25 Ref: https://rdap.arin.net/registry/entity/PT-82 OrgAbuseHandle: ABUSE3497-ARIN OrgAbuseName: Abuse OrgAbusePhone: +1-408-692-5581 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE3497-ARIN OrgTechHandle: NOC12550-ARIN OrgTechName: NOC OrgTechPhone: +1-408-692-5581 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/NOC12550-ARIN OrgNOCHandle: NOC12550-ARIN OrgNOCName: NOC OrgNOCPhone: +1-408-692-5581 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/NOC12550-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. # Found a referral to rwhois.cogentco.com:4321. %rwhois V-1.5:0010b0:00 rwhois.cogentco.com (CGNT rwhoisd 1.2.2) network:ID:NET4-260C800011 network:Network-Name:NET4-260C800011 network:IP-Network:38.12.128.0/17 network:Org-Name:PEG Tech Inc. network:Street-Address:11 GREAT OAKS BLVD network:City:SAN JOSE network:State:CA network:Country:US network:Postal-Code:95119 network:Tech-Contact:ZC108-ARIN network:Updated:2026-03-01 13:39:20 %ok