[ IP ]

128.8.128.42

#171,885Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #171,885(74 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen
Last seen: Fri Oct 02 2026 09:42:43 GM
PDNS hits (90 days): 74
Country: US
Snapshot: 1970-01-01

Network operated by University of Maryland (UNIVER-262-Z) (UMDNET-1).

List rank history

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

Whois — 128.8.128.42

Netname: UMDNET-1
Organization: University of Maryland (UNIVER-262-Z)
Country: US
ASN: —

Registry record

WHOIS

Registry fields

Network range: 128.8.0.0 - 128.8.255.255
CIDR: 128.8.0.0/16
Network name: UMDNET-1
Net Handle: NET-128-8-0-0-1
Parent network: NET128 (NET-128-0-0-0-0)

Hosted domains — PDNS pivot

No hosted domains found for 128.8.128.42 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: 128.8.0.0 - 128.8.255.255 CIDR: 128.8.0.0/16 NetName: UMDNET-1 NetHandle: NET-128-8-0-0-1 Parent: NET128 (NET-128-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: University of Maryland (UNIVER-262-Z) RegDate: 1984-08-01 Updated: 2021-12-14 Ref: https://rdap.arin.net/registry/ip/128.8.0.0 OrgName: University of Maryland OrgId: UNIVER-262-Z Address: Office of Information Technology Address: Patuxent Building City: College Park StateProv: MD PostalCode: 20742 Country: US RegDate: 2010-01-06 Updated: 2010-01-06 Ref: https://rdap.arin.net/registry/entity/UNIVER-262-Z OrgTechHandle: UM-ORG-ARIN OrgTechName: UMD DNS Admin Role Account OrgTechPhone: +1-301-405-9955 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/UM-ORG-ARIN OrgAbuseHandle: UARA-ARIN OrgAbuseName: UMD Abuse Role Account OrgAbusePhone: +1-301-405-8787 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/UARA-ARIN RNOCHandle: UM-ORG-ARIN RNOCName: UMD DNS Admin Role Account RNOCPhone: +1-301-405-9955 RNOCEmail: [email protected] RNOCRef: https://rdap.arin.net/registry/entity/UM-ORG-ARIN RAbuseHandle: UARA-ARIN RAbuseName: UMD Abuse Role Account RAbusePhone: +1-301-405-8787 RAbuseEmail: [email protected] RAbuseRef: https://rdap.arin.net/registry/entity/UARA-ARIN RTechHandle: UM-ORG-ARIN RTechName: UMD DNS Admin Role Account RTechPhone: +1-301-405-9955 RTechEmail: [email protected] RTechRef: https://rdap.arin.net/registry/entity/UM-ORG-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. #