[ IP ]
128.255.166.100
#422,723Top IPs · 1M scope0 domains
Overview
Top IPs list rank
- 1M
- #422,723(9 observation hits)
- Hosted domains (90 days)
- 0
- Hosted domains (all time)
- 0
- First seen
- Last seen
- Fri Aug 28 2026 19:18:34 GM
- PDNS hits (90 days)
- 10
- Country
- US
- Snapshot
- 1970-01-01
Network operated by University of Iowa (UNIVER-294) (UIOWA).
List rank history
28 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more accumulated passive-DNS observation evidence.
Whois — 128.255.166.100
- Netname
- UIOWA
- Organization
- University of Iowa (UNIVER-294)
- 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: 128.255.0.0 - 128.255.255.255 CIDR: 128.255.0.0/16 NetName: UIOWA NetHandle: NET-128-255-0-0-1 Parent: NET128 (NET-128-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: University of Iowa (UNIVER-294) RegDate: 1987-06-05 Updated: 2025-06-02 Ref: https://rdap.arin.net/registry/ip/128.255.0.0 OrgName: University of Iowa OrgId: UNIVER-294 Address: Information Technology Services Address: 5 LC City: Iowa City StateProv: IA PostalCode: 52242 Country: US RegDate: 1987-06-05 Updated: 2024-07-31 Ref: https://rdap.arin.net/registry/entity/UNIVER-294 OrgTechHandle: TIMPE9-ARIN OrgTechName: Timperley, Trevor OrgTechPhone: +1-319-467-0372 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/TIMPE9-ARIN OrgNOCHandle: NOC1452-ARIN OrgNOCName: Network Operations Center OrgNOCPhone: +1-319-335-6449 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/NOC1452-ARIN OrgTechHandle: MILLS405-ARIN OrgTechName: Millson, Andrew OrgTechPhone: +1-319-335-6159 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/MILLS405-ARIN OrgAbuseHandle: NETWO442-ARIN OrgAbuseName: network abuse OrgAbusePhone: +1-319-384-0800 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/NETWO442-ARIN OrgTechHandle: SOPPE-ARIN OrgTechName: Soppe, Scott OrgTechPhone: +1-319-384-2202 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/SOPPE-ARIN OrgTechHandle: HOSTM404-ARIN OrgTechName: hostmaster OrgTechPhone: +1-319-335-6159 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/HOSTM404-ARIN RTechHandle: TIMPE9-ARIN RTechName: Timperley, Trevor RTechPhone: +1-319-467-0372 RTechEmail: [email protected] RTechRef: https://rdap.arin.net/registry/entity/TIMPE9-ARIN RTechHandle: SOPPE-ARIN RTechName: Soppe, Scott RTechPhone: +1-319-384-2202 RTechEmail: [email protected] RTechRef: https://rdap.arin.net/registry/entity/SOPPE-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. #
Hosted domains — PDNS pivot
| Domain | Rank | First seen | Last seen | Hits |
|---|---|---|---|---|
| uiowa.edu | #61,406 | 2026-07-14 | 2026-08-28 | 10 |