[ IP ]

128.193.28.78

#434,933Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #434,933(10 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen
Last seen: Fri Aug 28 2026 18:07:26 GM
PDNS hits (90 days): 10
Country: US
Snapshot: 1970-01-01

Network operated by Oregon State University (OSU-3-Z) (ORST).

List rank history

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

Whois — 128.193.28.78

Netname: ORST
Organization: Oregon State University (OSU-3-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:       128.193.0.0 - 128.193.255.255
CIDR:           128.193.0.0/16
NetName:        ORST
NetHandle:      NET-128-193-0-0-1
Parent:         NET128 (NET-128-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Oregon State University (OSU-3-Z)
RegDate:        1987-01-16
Updated:        2023-02-23
Ref:            https://rdap.arin.net/registry/ip/128.193.0.0


OrgName:        Oregon State University
OrgId:          OSU-3-Z
Address:        Network Services
Address:        Kerr Administration Bldg
City:           Corvallis
StateProv:      OR
PostalCode:     97331
Country:        US
RegDate:        2023-01-06
Updated:        2023-01-06
Ref:            https://rdap.arin.net/registry/entity/OSU-3-Z


OrgTechHandle: HOSTM1272-ARIN
OrgTechName:   Hostmaster
OrgTechPhone:  +1-541-737-4948 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM1272-ARIN

OrgAbuseHandle: BROCK9-ARIN
OrgAbuseName:   Brock, Anthony 
OrgAbusePhone:  +1-541-737-9607 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BROCK9-ARIN

OrgAbuseHandle: HOSTM1272-ARIN
OrgAbuseName:   Hostmaster
OrgAbusePhone:  +1-541-737-4948 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM1272-ARIN

OrgTechHandle: BROCK9-ARIN
OrgTechName:   Brock, Anthony 
OrgTechPhone:  +1-541-737-9607 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/BROCK9-ARIN

RAbuseHandle: ABUSE74-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-541-737-9800 
RAbuseEmail:  [email protected]
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE74-ARIN

RTechHandle: HOSTM1272-ARIN
RTechName:   Hostmaster
RTechPhone:  +1-541-737-4948 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/HOSTM1272-ARIN

RTechHandle: BROCK9-ARIN
RTechName:   Brock, Anthony 
RTechPhone:  +1-541-737-9607 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/BROCK9-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
oregonstate.edu	#29,622	2026-07-14	2026-08-28	10