83.230.64.0/21

AS8508 · Silesian University of Technology, Computer Centre

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Summary

Country	Poland
Domain	sum.edu.pl
ASN	AS8508
Parent Range	83.230.64.0/20
Registry	RIPE
ID	SUM

WHOIS Details

inetnum:        83.230.64.0 - 83.230.71.255
netname:        SUM
descr:          Slaski Uniwersytet Medyczny w Katowicach
country:        PL
admin-c:        SUM-RIPE
tech-c:         SUM-RIPE
abuse-c:        SUM-RIPE
status:         ASSIGNED PA
mnt-by:         PL-CKPOLSL-MNT
mnt-lower:      PL-CKPOLSL-MNT
mnt-domains:    PL-CKPOLSL-MNT
mnt-routes:     PL-CKPOLSL-MNT
created:        2011-08-08T13:29:54Z
last-modified:  2018-07-31T11:57:35Z
source:         RIPE
abuse-email:    abuse@sum.edu.pl
abuse-c:        SUM-RIPE
abuse-org:      ORG-CSUo1-RIPE

role:           SUM Admins
address:        Slaski Uniwersytet Medyczny w Katowicach
address:        Centrum Informatyki i Informatyzacji
address:        ul. Poniatowskiego 15
address:        40-055 Katowice
address:        Poland
phone:          +48 32 2083554
fax-no:         +48 32 2083554
e-mail:         admin@sum.edu.pl
admin-c:        BO2447-RIPE
admin-c:        RW5549-RIPE
tech-c:         BO2447-RIPE
tech-c:         RW5549-RIPE
nic-hdl:        SUM-RIPE
abuse-mailbox:  abuse@sum.edu.pl
mnt-by:         PL-CKPOLSL-MNT
created:        2007-07-03T08:58:46Z
last-modified:  2023-07-21T11:53:41Z
source:         RIPE

route:          83.230.64.0/21
descr:          PL-CKPOLSL-NET-20040521-EDU
origin:         AS8508
mnt-by:         PL-CKPOLSL-MNT
mnt-lower:      PL-CKPOLSL-MNT
mnt-routes:     PL-CKPOLSL-MNT
created:        2021-03-16T14:50:56Z
last-modified:  2021-03-16T14:50:56Z
source:         RIPE

Overlapping Ranges

BGP prefixes that contain 83.230.64.0/21

Range	ASN	Company	Num of IPs
83.230.64.0/20	AS8508	Slaski Uniwersytet Medyczny w Katowicach	4,096

Nearby Ranges

BGP prefixes that overlap with 83.230.0.0/16

Range	ASN	Company	Num of IPs
83.230.0.0/18	AS15744	Silesian University of Technology, Computer Centre	16,384
83.230.0.0/19	AS35434	PirxNet	8,192
83.230.96.0/19	AS8508	Silesian University of Technology, Computer Centre	8,192
83.230.80.0/20	AS15744	Silesian University of Technology, Computer Centre	4,096
83.230.64.0/20	AS8508	Slaski Uniwersytet Medyczny w Katowicach	4,096
83.230.32.0/20	AS35434	Multiplay Sp. z o.o. S.K	4,096
83.230.40.0/21	AS199551	Multiplay Sp. z o.o. S.K	2,048
83.230.48.0/22	AS35434	PirxNet	1,024
83.230.118.0/23	AS8508	Uniwersytet Bielsko-Bialski	512
83.230.94.0/24	AS199279	SASK-PEERINGS	256
83.230.14.0/24	AS202220	Obsluga PC P. Dudzinski P. Jablonski P. Ral B. Miller s.c.	256
83.230.110.0/24	AS8508	Akademia Sztuk Pieknych w Katowicach	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
82.200.233.53	AS9198 JSC Kazakhtelecom	7.61ms from Astana, KZ
45.182.220.21	AS269768 GUAZU GROUP S.R.L.	10.83ms from Buenos Aires, AR
45.241.155.37	AS24863 Link Egypt (Link.NET)	18.50ms from Cairo, EG
113.242.91.197	AS4134 CHINANET-BACKBONE	2.93ms from Changsha, CN
97.223.94.69	AS6167 Verizon Business	7.85ms from Chicago, US
192.24.235.117	AS6181 Cincinnati Bell Telephone Company LLC	2.54ms from Cincinnati, US
62.96.233.117	AS8220 COLT Technology Services Group Limited	10.52ms from Copenhagen, DK
3.73.50.37	AS16509 Amazon.com, Inc.	0.33ms from Frankfurt am Main, DE
185.56.131.101	AS25291 INTERDOTLINK SYSELEVEN	8.29ms from Frankfurt am Main, DE
130.61.50.37	AS31898 Oracle Corporation	0.43ms from Frankfurt am Main, DE
84.234.27.133	AS29222 Infomaniak Network SA	0.47ms from Geneve, CH
155.146.241.181	AS6167 Verizon Business	2.34ms from Houston, US
223.27.156.37	AS38496 PT Cyber Network Indonesia	0.56ms from Jakarta, ID
217.158.31.117	AS8426 ClaraNET LTD	0.39ms from London, GB
213.139.203.133	AS58061 Scalaxy B.V.	0.16ms from Meppel, NL
67.169.37.85	AS7922 Comcast Cable Communications, LLC	7.27ms from San Jose, US
181.72.15.85	AS6535 Telmex Servicios Empresariales S.A.	5.18ms from Santiago, CL
81.21.226.5	AS209041 CoreIT AB	7.19ms from Stockholm, SE
17.0.101.85	AS714 Apple Inc.	10.86ms from Ashburn, US
40.177.195.181	AS16509 Amazon.com, Inc.	1.58ms from Calgary, CA
52.154.159.133	AS8075 Microsoft Corporation	0.44ms from Des Moines, US
123.23.170.197	AS45899 VNPT Corp	3.60ms from Ho Chi Minh City, VN
194.209.123.197	AS3303 Swisscom (Switzerland) Ltd	0.44ms from Lugano, CH
82.189.158.149	AS3269 Telecom Italia S.p.A.	4.67ms from Milan, IT
24.184.143.197	AS6128 Cablevision Systems Corp.	7.99ms from New York City, US

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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