And 23 more
And 13 more
From RIPEstat
210 IPv4 prefixes covering 6,889,216 addresses, and 7 IPv6 prefixes
And 160 more
From bgp.tools
Location from GeoLite2 data created by MaxMind
# # 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: 128.232.0.0 - 128.232.255.255 CIDR: 128.232.0.0/16 NetName: RIPE-ERX-128-232-0-0 NetHandle: NET-128-232-0-0-1 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/128.232.0.0 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 '128.232.0.0 - 128.232.255.255' % Abuse contact for '128.232.0.0 - 128.232.255.255' is 'abuse@cam.ac.uk' inetnum: 128.232.0.0 - 128.232.255.255 netname: CL-CAM-AC-UK descr: University of Cambridge Computer Laboratory descr: 15 J J Thomson Avenue descr: Cambridge CB3 0FD country: GB admin-c: PB22 admin-c: mas90 admin-c: PB3551-RIPE tech-c: CLTC org: ORG-TCMS4-RIPE status: LEGACY mnt-lower: CL-CAM-AC-UK-MNT mnt-routes: CL-CAM-AC-UK-MNT mnt-domains: CL-CAM-AC-UK-MNT mnt-by: JANET-HOSTMASTER mnt-by: CL-CAM-AC-UK-MNT mnt-by: CAM-AC-UK-MNT mnt-routes: JANET-HOSTMASTER created: 2002-09-23T12:19:32Z last-modified: 2026-04-23T14:05:06Z source: RIPE organisation: ORG-TCMS4-RIPE org-name: The Chancellor Masters & Scholars Of The University Of Cambridge country: GB reg-nr: Not Applicable org-type: LIR address: Roger Needham Building, 7 JJ Thomson Ave address: CB3 0RB address: Cambridge address: UNITED KINGDOM phone: +44 1223 337733 admin-c: RF9414-RIPE tech-c: RF9414-RIPE abuse-c: AR46908-RIPE mnt-ref: CAM-AC-UK-MNT mnt-ref: JANET-HOSTMASTER mnt-ref: ENG-CAM-AC-UK-MNT mnt-ref: cl-cam-ac-uk-mnt mnt-by: RIPE-NCC-HM-MNT mnt-by: CAM-AC-UK-MNT created: 2018-06-13T07:36:42Z last-modified: 2026-05-21T12:04:43Z source: RIPE # Filtered person: cl-cam-ac-uk Technical Contact address: 15 JJ Thomson Avenue, Cambridge CB3 0FD, UK phone: +44 1223 33 4659 nic-hdl: CLTC created: 2006-12-11T12:46:59Z last-modified: 2016-04-07T06:59:07Z mnt-by: RIPE-NCC-LOCKED-MNT source: RIPE # Filtered person: Piete Brooks address: University of Cambridge Computer Laboratory address: J J Thomson Avenue address: Cambridge, CB3 0FD address: GB phone: +44 1223 33 4659 fax-no: +44 1223 33 4678 nic-hdl: PB3551-RIPE mnt-by: RIPE-ERX-MNT created: 2004-03-10T15:05:06Z last-modified: 2004-03-10T15:05:06Z source: RIPE # Filtered person: Malcolm Scott address: University of Cambridge Computer Laboratory address: William Gates Building address: 15 JJ Thomson Avenue address: Cambridge address: CB3 0FD address: UK phone: +44.1223763658 nic-hdl: mas90 mnt-by: MALC-MNT created: 2021-04-27T03:06:25Z last-modified: 2021-04-27T03:06:25Z source: RIPE person: Piete Brooks remarks: AKA PB3551-RIPE and PB219 address: 15 JJ Thomson Avenue, Cambridge CB3 0FD, UK phone: +44 1223 33 4659 nic-hdl: pb22 mnt-by: CL-CAM-AC-UK-MNT created: 2007-03-13T15:06:52Z last-modified: 2007-03-13T15:06:52Z source: RIPE % Information related to '128.232.0.0/16AS786' route: 128.232.0.0/16 descr: University of Cambridge Computer Laboratory origin: AS786 mnt-by: JIPS-NOSC created: 2002-09-23T12:55:47Z last-modified: 2002-09-23T12:55:47Z source: RIPE % This query was served by the RIPE Database Query Service version 1.124.1 (DEXTER)