128.243.0.0

  • No reverse DNS
  • Not on blocklists
Network
UNI-NOTTINGHAM-LINR
Held by
JANET-HOSTMASTER
Range
128.243.0.0 - 128.243.255.255
CIDR
128.243.0.0/16
Type
LEGACY
Country
GB
Registered on
Last updated
Status
  • active
Report abuse to
irt@jisc.ac.uk
Checked

Reverse DNS

Names
None

Network

Announced by
AS786 Jisc Services Limited
Route
128.243.0.0/16, carried by 2,578 of bgp.tools' BGP feeds
Kind
Eyeball
Country
GB
Tagged
Tor services, Government, Academic, Internet Critical Infra, Tranco 10k Host, Validating RPKI ROV

Upstreams and peers

  • AS1299 Arelion (fka. Telia Carrier)2,137 paths
  • AS3356 Lumen (Level 3)2,035 paths
  • AS6939 Hurricane Electric LLC751 paths
  • AS9002 RETN Limited491 paths
  • AS3491 PCCW Global (HK) Ltd.261 paths
  • AS20965 GEANT Vereniging205 paths
  • AS25091 IP-Max SA196 paths
  • AS33891 Core-Backbone GmbH181 paths
  • AS13030 Init7 (Switzerland) Ltd.168 paths
  • AS6461 Zayo Bandwidth167 paths
  • AS3303 Swisscom (Schweiz) AG74 paths
  • AS6762 Telecom Italia Sparkle (Seabone)71 paths

And 23 more

Downstreams

  • AS60187 London Grid for Learning Trust1,085 paths
  • AS199713 MLL Telecom Ltd.907 paths
  • AS7 The Defence Science and Technology Laboratory338 paths
  • AS198864 Queen Mary University of London330 paths
  • AS196902 Dudley Metropolitan Borough Council325 paths
  • AS44403 Bristol City Council265 paths
  • AS209237 NPL Management LTD236 paths
  • AS44369 emPSN Services Limited233 paths
  • AS201773 University of Warwick233 paths
  • AS198032 Cambridge Assessment231 paths
  • AS206490 Southend-on-Sea City Council231 paths
  • AS31256 Warwickshire County Council229 paths

And 13 more

From RIPEstat

Location

Map © OpenStreetMap contributors
Location
Nottingham, England, United Kingdom
Accuracy
Within 5 km

Location from GeoLite2 data created by MaxMind

Blocklists

  • Spamhaus ZEN Not listed
  • SpamCop Not listed
  • Mailspike Not listed
  • PSBL Not listed

WHOIS

#
# 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:       128.243.0.0 - 128.243.255.255
CIDR:           128.243.0.0/16
NetName:        RIPE-ERX-128-243-0-0
NetHandle:      NET-128-243-0-0-1
Parent:         NET128 (NET-128-0-0-0-0)
NetType:        Early Registrations, Transferred to RIPE NCC
OriginAS:       
Organization:   RIPE Network Coordination Centre (RIPE)
RegDate:        2004-04-05
Updated:        2025-02-10
Comment:        These addresses have been further assigned to users in the RIPE NCC region. Please note that the organization and point of contact details listed below are those of the RIPE NCC not the current address holder. ** You can find user contact information for the current address holder in the RIPE database at http://www.ripe.net/whois.
Ref:            https://rdap.arin.net/registry/ip/128.243.0.0

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.ripe.net


OrgName:        RIPE Network Coordination Centre
OrgId:          RIPE
Address:        P.O. Box 10096
City:           Amsterdam
StateProv:      
PostalCode:     1001EB
Country:        NL
RegDate:        
Updated:        2013-07-29
Ref:            https://rdap.arin.net/registry/entity/RIPE

ReferralServer:  whois.ripe.net
ResourceLink:  https://apps.db.ripe.net/db-web-ui/query

OrgTechHandle: RNO29-ARIN
OrgTechName:   RIPE NCC Operations
OrgTechPhone:  +31 20 535 4444 
OrgTechEmail:  hostmaster@ripe.net
OrgTechRef:    https://rdap.arin.net/registry/entity/RNO29-ARIN

OrgAbuseHandle: ABUSE3850-ARIN
OrgAbuseName:   Abuse Contact
OrgAbusePhone:  +31205354444 
OrgAbuseEmail:  abuse@ripe.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3850-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.
#

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '128.243.0.0 - 128.243.255.255'

% Abuse contact for '128.243.0.0 - 128.243.255.255' is 'irt@jisc.ac.uk'

inetnum:        128.243.0.0 - 128.243.255.255
netname:        UNI-NOTTINGHAM-LINR
descr:          The University of Nottingham
org:            ORG-NOTT1-RIPE
country:        GB
admin-c:        NOTT2-RIPE
tech-c:         NOTT3-RIPE
status:         LEGACY
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         JANET-HOSTMASTER
created:        1970-01-01T00:00:00Z
last-modified:  2026-10-22T06:25:59Z
source:         RIPE

organisation:   ORG-NOTT1-RIPE
org-name:       The University of Nottingham
org-type:       OTHER
address:        University Park
address:        Nottingham
address:        NG7 2RD
country:        GB
reg-nr:         Not Applicable
abuse-c:        JCA95-RIPE
mnt-ref:        JANET-HOSTMASTER
mnt-by:         JANET-HOSTMASTER
created:        2026-10-20T06:09:56Z
last-modified:  2026-10-22T09:19:55Z
source:         RIPE # Filtered

role:           University of Nottingham Admin
address:        The University of Nottingham
address:        The Nottingham Geospatial Building
address:        Jubilee Campus
address:        Nottingham
address:        Nottinghamshire
address:        NG7 2TU
address:        United Kingdom
nic-hdl:        NOTT2-RIPE
mnt-by:         JANET-HOSTMASTER
mnt-ref:        JANET-HOSTMASTER
created:        2026-10-20T12:54:30Z
last-modified:  2026-10-20T12:54:30Z
source:         RIPE # Filtered

role:           University of Nottingham Tech
address:        The University of Nottingham
address:        The Nottingham Geospatial Building
address:        Jubilee Campus
address:        Nottingham
address:        Nottinghamshire
address:        NG7 2TU
address:        United Kingdom
nic-hdl:        NOTT3-RIPE
mnt-by:         JANET-HOSTMASTER
mnt-ref:        JANET-HOSTMASTER
created:        2026-10-20T12:54:30Z
last-modified:  2026-10-20T12:54:30Z
source:         RIPE # Filtered

% Information related to '128.243.0.0/16AS786'

route:          128.243.0.0/16
descr:          The University of Nottingham
descr:          University Park
descr:          Nottingham
descr:          NG7 2RD
descr:          UNITED KINGDOM
origin:         AS786
mnt-by:         JIPS-NOSC
created:        1970-01-01T00:00:00Z
last-modified:  2001-09-22T09:32:02Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.124.1 (SHETLAND)