[ IP ]

129.105.44.20

#172,469Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #172,469(76 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen
Last seen: Mon Oct 05 2026 11:29:03 GM
PDNS hits (90 days): 76
Country: US
Snapshot: 1970-01-01

Network operated by Northwestern University (NORTHW-9-Z) (NWUNET).

List rank history

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

Whois — 129.105.44.20

Netname: NWUNET
Organization: Northwestern University (NORTHW-9-Z)
Country: US
ASN: —

Registry record

WHOIS

Registry fields

Network range: 129.105.0.0 - 129.105.255.255
CIDR: 129.105.0.0/16
Network name: NWUNET
Net Handle: NET-129-105-0-0-1
Parent network: NET129 (NET-129-0-0-0-0)

Hosted domains — PDNS pivot

No hosted domains found for 129.105.44.20 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: 129.105.0.0 - 129.105.255.255 CIDR: 129.105.0.0/16 NetName: NWUNET NetHandle: NET-129-105-0-0-1 Parent: NET129 (NET-129-0-0-0-0) NetType: Direct Allocation OriginAS: Organization: Northwestern University (NORTHW-9-Z) RegDate: 1987-11-10 Updated: 2021-12-14 Ref: https://rdap.arin.net/registry/ip/129.105.0.0 OrgName: Northwestern University OrgId: NORTHW-9-Z Address: Leverone Hall #G-166 Address: 2001 Sheridan Rd City: Evanston StateProv: IL PostalCode: 60208 Country: US RegDate: 2010-01-08 Updated: 2012-05-11 Ref: https://rdap.arin.net/registry/entity/NORTHW-9-Z OrgAbuseHandle: NUNS-ARIN OrgAbuseName: Northwestern University Network Security OrgAbusePhone: +1-847-467-2222 OrgAbuseEmail: [email protected] OrgAbuseRef: https://rdap.arin.net/registry/entity/NUNS-ARIN OrgTechHandle: NUNA-ARIN OrgTechName: Northwestern University Network Administration OrgTechPhone: +1-847-467-2222 OrgTechEmail: [email protected] OrgTechRef: https://rdap.arin.net/registry/entity/NUNA-ARIN RNOCHandle: NUN-ARIN RNOCName: Northwestern University NOC RNOCPhone: +1-847-467-2222 RNOCEmail: [email protected] RNOCRef: https://rdap.arin.net/registry/entity/NUN-ARIN RTechHandle: NUNA-ARIN RTechName: Northwestern University Network Administration RTechPhone: +1-847-467-2222 RTechEmail: [email protected] RTechRef: https://rdap.arin.net/registry/entity/NUNA-ARIN RAbuseHandle: NUNS-ARIN RAbuseName: Northwestern University Network Security RAbusePhone: +1-847-467-2222 RAbuseEmail: [email protected] RAbuseRef: https://rdap.arin.net/registry/entity/NUNS-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. #