[ IP ]
128.104.80.21
#164,455Top IPs · 1M scope1 domain
Overview
Top IPs list rank
- 1M
- #164,455(1 domains)
- Hosted domains (90 days)
- 1
- Hosted domains (all time)
- 1
- First seen
- Mon Jul 13 2026 13:06:15 GM
- Last seen
- Wed Jul 15 2026 00:12:14 GM
- PDNS hits (90 days)
- 29
- Country
- US
- Snapshot
- 1970-01-01
Network operated by University of Wisconsin Madison (UWM-3-Z) (WISC-HERD).
List rank history
1 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more hosted domains in scope.
Whois — 128.104.80.21
- Netname
- WISC-HERD
- Organization
- University of Wisconsin Madison (UWM-3-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: 128.104.0.0 - 128.104.255.255 CIDR: 128.104.0.0/16 NetName: WISC-HERD NetHandle: NET-128-104-0-0-1 Parent: NET128 (NET-128-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: University of Wisconsin Madison (UWM-3-Z) RegDate: 1986-01-29 Updated: 2024-01-19 Ref: https://rdap.arin.net/registry/ip/128.104.0.0 OrgName: University of Wisconsin Madison OrgId: UWM-3-Z Address: 1210 W Dayton Address: B332 City: Madison StateProv: WI PostalCode: 53706 Country: US RegDate: 2023-09-28 Updated: 2026-06-12 Ref: https://rdap.arin.net/registry/entity/UWM-3-Z OrgNOCHandle: NOC212-ARIN OrgNOCName: Network Operations Center OrgNOCPhone: +1-608-263-4188 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/NOC212-ARIN OrgTechHandle: NOC212-ARIN OrgTechName: Network Operations Center OrgTechPhone: +1-608-263-4188 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/NOC212-ARIN OrgAbuseHandle: UWMAP-ARIN OrgAbuseName: University of Wisconsin Madison Abuse POC OrgAbusePhone: +1-608-264-4357 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/UWMAP-ARIN OrgDNSHandle: UWMHP-ARIN OrgDNSName: University of Wisconsin Madison Hostmaster POC OrgDNSPhone: +1-608-263-4188 OrgDNSEmail: [email protected] OrgDNSRef: https://rdap.arin.net/registry/entity/UWMHP-ARIN OrgRoutingHandle: NOC212-ARIN OrgRoutingName: Network Operations Center OrgRoutingPhone: +1-608-263-4188 OrgRoutingEmail: [email protected] OrgRoutingRef: https://rdap.arin.net/registry/entity/NOC212-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 — 128.104.80.21
Port scan not run for 128.104.80.21 yet. Probes are queued from passive DNS IPs in the worker pipeline.