[ IP ]

128.252.146.6

#351,663Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #351,663(16 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen
Last seen: Wed Sep 09 2026 02:40:05 GM
PDNS hits (90 days): 17
Country: US
Snapshot: 1970-01-01

Network operated by Washington University (WASHIN-Z) (WASHINGTON-U).

List rank history

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

Whois — 128.252.146.6

Netname: WASHINGTON-U
Organization: Washington University (WASHIN-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:       128.252.0.0 - 128.252.255.255
CIDR:           128.252.0.0/16
NetName:        WASHINGTON-U
NetHandle:      NET-128-252-0-0-1
Parent:         NET128 (NET-128-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Washington University (WASHIN-Z)
RegDate:        1987-06-03
Updated:        2021-12-14
Comment:        https://it.wustl.edu/
Ref:            https://rdap.arin.net/registry/ip/128.252.0.0


OrgName:        Washington University
OrgId:          WASHIN-Z
Address:        Network Technology Services
Address:        1 Brookings Drive, Campus Box 1048
City:           St. Louis
StateProv:      MO
PostalCode:     63130
Country:        US
RegDate:        2008-10-08
Updated:        2012-10-11
Ref:            https://rdap.arin.net/registry/entity/WASHIN-Z


OrgNOCHandle: NOC12842-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-314-935-7048 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC12842-ARIN

OrgTechHandle: NOC12842-ARIN
OrgTechName:   Network Operations Center
OrgTechPhone:  +1-314-935-7048 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC12842-ARIN

OrgAbuseHandle: NOC12842-ARIN
OrgAbuseName:   Network Operations Center
OrgAbusePhone:  +1-314-935-7048 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC12842-ARIN

RAbuseHandle: NTSN1-ARIN
RAbuseName:   Network Technology Services - NSO
RAbusePhone:  +1-314-935-7048 
RAbuseEmail:  [email protected]
RAbuseRef:    https://rdap.arin.net/registry/entity/NTSN1-ARIN

RTechHandle: NTSN-ARIN
RTechName:   Network Technology Services - NOC
RTechPhone:  +1-314-935-7048 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/NTSN-ARIN

RNOCHandle: NTSN-ARIN
RNOCName:   Network Technology Services - NOC
RNOCPhone:  +1-314-935-7048 
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/NTSN-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
wustl.edu	#69,471	2026-07-14	2026-09-09	17