212.87.238.0/23
AS15373 · Politechnika Czestochowska
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Country | Poland |
Domain | ujd.edu.pl |
ASN | AS15373 |
Registry | ripe |
Hosted IPs | 512 |
ID | UJD-EDUROAM-239-PL |
WHOIS Details
inetnum: 212.87.239.0 - 212.87.239.255 netname: UJD-EDUROAM-239-PL descr: The Eduroam Network of Uniwersytet Jana Dlugosza w Czestochowie country: PL org: ORG-AJD1-RIPE admin-c: MW7977-RIPE tech-c: AO4511-RIPE status: ASSIGNED PA remarks: ================================================================================================= remarks: In case of abuse (hacking, spam sending, intrusion, other unaccepted activities) please use e-mail: abuse@ujd.edu.pl remarks: ================================================================================================= mnt-by: PL-CZESTMAN-MNT mnt-lower: PL-CZESTMAN-MNT mnt-routes: PL-CZESTMAN-MNT created: 2015-07-02T13:59:24Z last-modified: 2023-10-27T11:56:18Z source: RIPE abuse-email: abuse@ujd.edu.pl abuse-c: AO4511-RIPE abuse-org: ORG-AJD1-RIPE organisation: ORG-AJD1-RIPE org-name: Uniwersytet Jana Dlugosza w Czestochowie org-type: OTHER address: ul. Waszyngtona 4/8, 42-200 Czestochowa, Poland e-mail: admin@ajd.czest.pl abuse-c: AO4511-RIPE mnt-ref: PL-CZESTMAN-MNT mnt-by: PL-CZESTMAN-MNT created: 2015-07-02T13:45:03Z last-modified: 2023-10-27T11:37:00Z source: RIPE role: AJD-PL Operations address: Uniwersytet Jana Dlugosza w Czestochowie address: ul. Waszyngtona 4/8, 42-200 Czestochowa, PL e-mail: admin@ujd.edu.pl abuse-mailbox: abuse@ujd.edu.pl admin-c: MW7977-RIPE tech-c: MK8828-RIPE nic-hdl: AO4511-RIPE mnt-by: PL-CZESTMAN-MNT created: 2015-07-02T13:10:42Z last-modified: 2023-10-27T11:58:51Z source: RIPE person: Michal Wojciechowski address: Uniwersytet Jana Dlugosza w Czestochoweie address: ul. Waszyngtona 4/8, 42-200 Czestochowa address: Poland e-mail: m.wojciechowski@ujd.edu.pl phone: +48 034 3784185 nic-hdl: MW7977-RIPE mnt-by: PL-CZESTMAN-MNT created: 2015-07-02T10:44:51Z last-modified: 2023-10-27T11:57:46Z source: RIPE route: 212.87.238.0/23 descr: The networks of educational, scientific, governmental descr: health, cultural, religious, research subjects descr: Metropolitan Area Network CzestMAN, Czestochowa,POLAND origin: AS15373 remarks: educational mnt-routes: PL-CZESTMAN-MNT mnt-by: PL-CZESTMAN-MNT created: 2006-03-02T15:56:54Z last-modified: 2006-03-02T15:56:54Z source: RIPE
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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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