143.52.0.0/15
AS786 · Jisc Services Limited
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inetnum: 143.52.0.0 - 143.52.255.255 status: LEGACY remarks: remarks: This inetnum has been transfered as part of the ERX. remarks: It was present in both the ARIN and RIPE databases, so remarks: the information from both databases has been merged. remarks: If you are the mntner of this object, please update it remarks: to reflect the correct information. remarks: remarks: Please see the information for this process: remarks: http://www.ripe.net/projects/erx/erx-ip/network-143.html remarks: remarks: **** INFORMATION FROM ARIN OBJECT **** remarks: netname: SHEF-HALLAM descr: Sheffield Hallam University descr: Pond Street descr: Sheffield, South Yorkshire S1 1WB remarks: country: GB admin-c: DH1328-RIPE tech-c: DH1328-RIPE remarks: changed: hostmaster@arin.net 19900828 remarks: changed: hostmaster@arin.net 19950220 remarks: **** INFORMATION FROM RIPE OBJECT **** netname: SCP descr: Sheffield Hallam University country: GB admin-c: JMT19-RIPE tech-c: DH159-RIPE mnt-by: RIPE-NCC-LOCKED-MNT created: 1970-01-01T00:00:00Z last-modified: 2023-07-27T10:42:39Z source: RIPE person: Dave Haywood address: Sheffield Hallam University address: Pond Street address: Sheffield, South Yorkshire S1 1Wb address: GB phone: +44 742 533828 e-mail: Hostmaster@shu.ac.uk nic-hdl: DH1328-RIPE mnt-by: RIPE-ERX-MNT created: 2003-10-15T08:49:25Z last-modified: 2003-10-15T08:49:25Z source: RIPE person: Dave Haywood address: Corporate Information Systems address: Howard Building address: Sheffield Hallam University address: Pond Street address: Sheffield S1 1WB address: UK phone: +44 114 253 3828 fax-no: +44 114 253 3840 e-mail: hostmaster@shu.ac.uk nic-hdl: DH159-RIPE remarks: Please call +44 114 253 3838 between 18:00 remarks: and 09:00 GMT/BST. created: 1970-01-01T00:00:00Z last-modified: 2022-09-08T09:48:27Z mnt-by: RIPE-ERX-MNT source: RIPE person: J M Taylor address: Sheffield City Polytechnic address: Pond Street address: Sheffield S1 1WB phone: +44 742 533820 e-mail: J.M.Taylor@scp.ac.uk nic-hdl: JMT19-RIPE created: 1970-01-01T00:00:00Z last-modified: 2022-09-08T09:48:50Z mnt-by: RIPE-ERX-MNT source: RIPE route: 143.52.0.0/15 descr: JANET Aggregated Route descr: JANET(UK) Network Operations Centre descr: 100 Gray's Inn Road descr: London WC1X 8AL descr: United Kingdom origin: AS786 mnt-by: JIPS-NOSC created: 1970-01-01T00:00:00Z last-modified: 2007-07-06T16:04:26Z source: RIPE
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IP address subranges within this IP range
What are IP address ranges?
IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.
Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.
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