[ IP ]

128.135.24.7

#198,840Top IPs · 1M scope0 domains

Overview

Top IPs list rank

1M: #198,840(34 observation hits)

Hosted domains (90 days): 0
Hosted domains (all time): 0
First seen: Mon Jul 13 2026 06:05:07 GM
Last seen: Wed Sep 09 2026 03:00:08 GM
PDNS hits (90 days): 34
Country: US
Snapshot: 1970-01-01

Network operated by The University of Chicago (UNIVER-174-Z) (U-CHICAGO).

List rank history

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

Whois — 128.135.24.7

Netname: U-CHICAGO
Organization: The University of Chicago (UNIVER-174-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:       128.135.0.0 - 128.135.255.255
CIDR:           128.135.0.0/16
NetName:        U-CHICAGO
NetHandle:      NET-128-135-0-0-1
Parent:         NET128 (NET-128-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   The University of Chicago (UNIVER-174-Z)
RegDate:        1986-07-08
Updated:        2023-12-05
Ref:            https://rdap.arin.net/registry/ip/128.135.0.0


OrgName:        The University of Chicago
OrgId:          UNIVER-174-Z
Address:        1155 E. 60th Street
City:           Chicago
StateProv:      IL
PostalCode:     60637
Country:        US
RegDate:        2023-02-27
Updated:        2023-04-19
Ref:            https://rdap.arin.net/registry/entity/UNIVER-174-Z


OrgAbuseHandle: NSC26-ARIN
OrgAbuseName:   Network Security Center
OrgAbusePhone:  +1-773-702-2378 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NSC26-ARIN

OrgNOCHandle: DNO22-ARIN
OrgNOCName:   Data Network Operations
OrgNOCPhone:  +1-773-702-7626 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/DNO22-ARIN

OrgTechHandle: DOMAI99-ARIN
OrgTechName:   Domain Administrator
OrgTechPhone:  +1-773-702-7626 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/DOMAI99-ARIN

RTechHandle: DOMAI99-ARIN
RTechName:   Domain Administrator
RTechPhone:  +1-773-702-7626 
RTechEmail:  [email protected]
RTechRef:    https://rdap.arin.net/registry/entity/DOMAI99-ARIN

RAbuseHandle: NSC26-ARIN
RAbuseName:   Network Security Center
RAbusePhone:  +1-773-702-2378 
RAbuseEmail:  [email protected]
RAbuseRef:    https://rdap.arin.net/registry/entity/NSC26-ARIN

RNOCHandle: DNO22-ARIN
RNOCName:   Data Network Operations
RNOCPhone:  +1-773-702-7626 
RNOCEmail:  [email protected]
RNOCRef:    https://rdap.arin.net/registry/entity/DNO22-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
uchicago.edu	#3,050	2026-07-13	2026-09-09	34