[ IP ]
128.4.31.12
#225,639Top IPs · 1M scope1 domain
Overview
Top IPs list rank
- 1M
- #225,639(1 domains)
- Hosted domains (90 days)
- 1
- Hosted domains (all time)
- 1
- First seen
- Last seen
- Wed Jul 15 2026 02:15:39 GM
- PDNS hits (90 days)
- 5
- Country
- US
- Snapshot
- 1970-01-01
Network operated by University of Delaware (UNIVER-19-Z) (UDEL-DCN).
List rank history
1 daily snapshots in the Top IPs list (1M scope). Lower rank numbers indicate more hosted domains in scope.
Whois — 128.4.31.12
- Netname
- UDEL-DCN
- Organization
- University of Delaware (UNIVER-19-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: 128.4.0.0 - 128.4.255.255 CIDR: 128.4.0.0/16 NetName: UDEL-DCN NetHandle: NET-128-4-0-0-1 Parent: NET128 (NET-128-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: University of Delaware (UNIVER-19-Z) RegDate: 1991-01-10 Updated: 2026-06-29 Ref: https://rdap.arin.net/registry/ip/128.4.0.0 OrgName: University of Delaware OrgId: UNIVER-19-Z Address: Information Technologies Address: 192 South Chapel Street City: Newark StateProv: DE PostalCode: 19716 Country: US RegDate: 2008-03-18 Updated: 2026-06-29 Ref: https://rdap.arin.net/registry/entity/UNIVER-19-Z OrgTechHandle: NSS13-ARIN OrgTechName: Network and Systems Services OrgTechPhone: +1-302-831-6000 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/NSS13-ARIN OrgRoutingHandle: HUFFM207-ARIN OrgRoutingName: Huffman, Scott OrgRoutingPhone: +1-302-831-6006 OrgRoutingEmail: [email protected] OrgRoutingRef: https://rdap.arin.net/registry/entity/HUFFM207-ARIN OrgDNSHandle: HUFFM207-ARIN OrgDNSName: Huffman, Scott OrgDNSPhone: +1-302-831-6006 OrgDNSEmail: [email protected] OrgDNSRef: https://rdap.arin.net/registry/entity/HUFFM207-ARIN OrgDNSHandle: UDELN-ARIN OrgDNSName: UDel NOC OrgDNSPhone: +1-302-831-3717 OrgDNSEmail: [email protected] OrgDNSRef: https://rdap.arin.net/registry/entity/UDELN-ARIN OrgRoutingHandle: NSS13-ARIN OrgRoutingName: Network and Systems Services OrgRoutingPhone: +1-302-831-6000 OrgRoutingEmail: [email protected] OrgRoutingRef: https://rdap.arin.net/registry/entity/NSS13-ARIN OrgTechHandle: HUFFM207-ARIN OrgTechName: Huffman, Scott OrgTechPhone: +1-302-831-6006 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/HUFFM207-ARIN OrgNOCHandle: HUFFM207-ARIN OrgNOCName: Huffman, Scott OrgNOCPhone: +1-302-831-6006 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/HUFFM207-ARIN OrgAbuseHandle: HUFFM207-ARIN OrgAbuseName: Huffman, Scott OrgAbusePhone: +1-302-831-6006 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/HUFFM207-ARIN OrgNOCHandle: UDELN-ARIN OrgNOCName: UDel NOC OrgNOCPhone: +1-302-831-3717 OrgNOCEmail: [email protected] OrgNOCRef: https://rdap.arin.net/registry/entity/UDELN-ARIN OrgAbuseHandle: UDELN-ARIN OrgAbuseName: UDel NOC OrgAbusePhone: +1-302-831-3717 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/UDELN-ARIN RNOCHandle: HUFFM207-ARIN RNOCName: Huffman, Scott RNOCPhone: +1-302-831-6006 RNOCEmail: [email protected] RNOCRef: https://rdap.arin.net/registry/entity/HUFFM207-ARIN RTechHandle: DAVIS2708-ARIN RTechName: DAvis, Michael RTechPhone: +1-302-831-6006 RTechEmail: [email protected] RTechRef: https://rdap.arin.net/registry/entity/DAVIS2708-ARIN RAbuseHandle: HUFFM207-ARIN RAbuseName: Huffman, Scott RAbusePhone: +1-302-831-6006 RAbuseEmail: [email protected] RAbuseRef: https://rdap.arin.net/registry/entity/HUFFM207-ARIN RTechHandle: HUFFM207-ARIN RTechName: Huffman, Scott RTechPhone: +1-302-831-6006 RTechEmail: [email protected] RTechRef: https://rdap.arin.net/registry/entity/HUFFM207-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 — 128.4.31.12
Port scan not run for 128.4.31.12 yet. Probes are queued from passive DNS IPs in the worker pipeline.