[ IP ]

128.112.19.56

#542,904Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #542,904(14 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen: Wed Jul 15 2026 00:18:00 GM
Last seen: Mon Sep 14 2026 14:31:48 GM
PDNS hits (90 days): 15
Country: US
Snapshot: 1970-01-01

Network operated by Princeton University (PRNU-Z) (PRINCETON).

List rank history

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

Whois — 128.112.19.56

Netname: PRINCETON
Organization: Princeton University (PRNU-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:       128.112.0.0 - 128.112.255.255
CIDR:           128.112.0.0/16
NetName:        PRINCETON
NetHandle:      NET-128-112-0-0-1
Parent:         NET128 (NET-128-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Princeton University (PRNU-Z)
RegDate:        1986-02-24
Updated:        2022-05-26
Ref:            https://rdap.arin.net/registry/ip/128.112.0.0


OrgName:        Princeton University
OrgId:          PRNU-Z
Address:        OIT Network Switching and Routing
Address:        701 Carnegie Center, Suite 301
City:           Princeton
StateProv:      NJ
PostalCode:     08540
Country:        US
RegDate:        2020-06-01
Updated:        2021-09-16
Ref:            https://rdap.arin.net/registry/entity/PRNU-Z


OrgAbuseHandle: ABUSE16-ARIN
OrgAbuseName:   OIT Response Team
OrgAbusePhone:  +1-609-258-4357 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE16-ARIN

OrgNOCHandle: ONS1-ARIN
OrgNOCName:   OIT Network Systems
OrgNOCPhone:  +1-609-258-4555 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/ONS1-ARIN

OrgTechHandle: CINN-ARIN
OrgTechName:   Contact for Internet numbers and names
OrgTechPhone:  +1-609-258-4555 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/CINN-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
princeton.edu	#1,690	2026-07-15	2026-09-14	15