[ IP ]

128.111.121.72

#469,063Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #469,063(16 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen
Last seen: Mon Sep 14 2026 14:44:09 GM
PDNS hits (90 days): 17
Country: US
Snapshot: 1970-01-01

Network operated by University of California, Santa Barbara (UCSB-Z) (UCSB).

List rank history

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

Whois — 128.111.121.72

Netname: UCSB
Organization: University of California, Santa Barbara (UCSB-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:       128.111.0.0 - 128.111.255.255
CIDR:           128.111.0.0/16
NetName:        UCSB
NetHandle:      NET-128-111-0-0-1
Parent:         NET128 (NET-128-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   University of California, Santa Barbara (UCSB-Z)
RegDate:        1986-02-18
Updated:        2024-04-26
Ref:            https://rdap.arin.net/registry/ip/128.111.0.0


OrgName:        University of California, Santa Barbara
OrgId:          UCSB-Z
Address:        Office of Information Technology
Address:        North Hall 2124
City:           Santa Barbara
StateProv:      CA
PostalCode:     93106-3201
Country:        US
RegDate:        2023-03-18
Updated:        2023-03-18
Ref:            https://rdap.arin.net/registry/entity/UCSB-Z


OrgAbuseHandle: NETWO4536-ARIN
OrgAbuseName:   Network Security
OrgAbusePhone:  +1-805-893-5080 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO4536-ARIN

OrgTechHandle: KS1217-ARIN
OrgTechName:   Schmidt, Kevin 
OrgTechPhone:  +1-805-893-7779 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/KS1217-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
ucla.edu	#5,207	2026-07-14	2026-09-14	17