[ IP ]

128.103.64.74

#66,510Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #66,510(53 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen
Last seen: Sat Aug 29 2026 23:42:03 GM
PDNS hits (90 days): 53
Country: US
Snapshot: 1970-01-01

Network operated by Harvard University (HARVAR-Z) (HARVARD-UNIV).

List rank history

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

Whois — 128.103.64.74

Netname: HARVARD-UNIV
Organization: Harvard University (HARVAR-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:       128.103.0.0 - 128.103.255.255
CIDR:           128.103.0.0/16
NetName:        HARVARD-UNIV
NetHandle:      NET-128-103-0-0-1
Parent:         NET128 (NET-128-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Harvard University (HARVAR-Z)
RegDate:        1986-01-29
Updated:        2023-12-21
Ref:            https://rdap.arin.net/registry/ip/128.103.0.0


OrgName:        Harvard University
OrgId:          HARVAR-Z
Address:        HUIT Network Services
Address:        Patrick McEvilly - Director
Address:        784 Memorial Drive
City:           Cambridge
StateProv:      MA
PostalCode:     02139
Country:        US
RegDate:        2023-08-16
Updated:        2024-07-01
Ref:            https://rdap.arin.net/registry/entity/HARVAR-Z


OrgTechHandle: KENNY32-ARIN
OrgTechName:   Kenny, Eric 
OrgTechPhone:  +1-617-496-9930 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/KENNY32-ARIN

OrgNOCHandle: PMC277-ARIN
OrgNOCName:   Mcevilly, Patrick 
OrgNOCPhone:  +1-617-495-9205 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

OrgAbuseHandle: ABUSE3331-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-617-495-3574 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3331-ARIN

OrgRoutingHandle: KENNY32-ARIN
OrgRoutingName:   Kenny, Eric 
OrgRoutingPhone:  +1-617-496-9930 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/KENNY32-ARIN

OrgTechHandle: PMC277-ARIN
OrgTechName:   Mcevilly, Patrick 
OrgTechPhone:  +1-617-495-9205 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

OrgAbuseHandle: PMC277-ARIN
OrgAbuseName:   Mcevilly, Patrick 
OrgAbusePhone:  +1-617-495-9205 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

OrgTechHandle: DASHB-ARIN
OrgTechName:   Dash, Benjamin 
OrgTechPhone:  +1-617-733-6824 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/DASHB-ARIN

OrgNOCHandle: NETWO4930-ARIN
OrgNOCName:   Network Operations
OrgNOCPhone:  +1-617-495-3574 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO4930-ARIN

OrgRoutingHandle: PMC277-ARIN
OrgRoutingName:   Mcevilly, Patrick 
OrgRoutingPhone:  +1-617-495-9205 
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

OrgDNSHandle: DASHB-ARIN
OrgDNSName:   Dash, Benjamin 
OrgDNSPhone:  +1-617-733-6824 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/DASHB-ARIN

OrgDNSHandle: PMC277-ARIN
OrgDNSName:   Mcevilly, Patrick 
OrgDNSPhone:  +1-617-495-9205 
OrgDNSEmail:  [email protected]
OrgDNSRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

RTechHandle: PMC277-ARIN
RTechName:   Mcevilly, Patrick 
RTechPhone:  +1-617-495-9205 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/PMC277-ARIN

RAbuseHandle: ABUSE3331-ARIN
RAbuseName:   Abuse
RAbusePhone:  +1-617-495-3574 
RAbuseEmail:  [email protected]
RAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3331-ARIN

RNOCHandle: NETWO4930-ARIN
RNOCName:   Network Operations
RNOCPhone:  +1-617-495-3574 
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO4930-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
harvard.edu	#885	2026-07-14	2026-08-28	44
citmedialaw.org	#1,407,883	2026-08-07	2026-08-29	6
dmlp.org	#1,618,214	2026-08-24	2026-08-28	3