192.68.51.0/24

AS198743 · Narodowe Centrum Badan Jadrowych

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Summary

Country	Poland
Domain	ncbj.gov.pl
ASN	AS198743
Registry	RIPE
ID	NCBJ

WHOIS Details

inetnum:        192.68.51.0 - 192.68.51.255
netname:        ncbj
country:        PL
org:            ORG-NCBJ1-RIPE
admin-c:        MW8674-RIPE
tech-c:         MW8674-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-EXATEL
mnt-routes:     MNT-EXATEL
mnt-domains:    MNT-EXATEL
created:        2012-04-19T11:15:41Z
last-modified:  2023-05-30T07:17:53Z
source:         RIPE
sponsoring-org: ORG-TS16-RIPE
abuse-email:    nst@cis.gov.pl
abuse-c:        NA5420-RIPE
abuse-org:      ORG-TS16-RIPE

organisation:   ORG-NCBJ1-RIPE
org-name:       Narodowe Centrum Badan Jadrowych
country:        PL
org-type:       OTHER
address:        ul. Andrzeja Soltana 7
address:        05-400 Otwock
address:        Polska
e-mail:         nst@cis.gov.pl
abuse-c:        NA5420-RIPE
mnt-ref:        MNT-EXATEL
mnt-by:         MNT-EXATEL
created:        2012-04-17T18:51:58Z
last-modified:  2022-12-01T16:39:00Z
source:         RIPE

person:         Michal Wojcik
address:        Narodowe Centrum Badan Jadrowych
address:        ul. Andrzeja Soltana 7
address:        05-400 Otwock
address:        PL
phone:          +48 22 2731684
e-mail:         mwojcik@cis.gov.pl
nic-hdl:        MW8674-RIPE
mnt-by:         ATMAN-MNT
mnt-by:         MNT-EXATEL
created:        2016-11-02T11:06:43Z
last-modified:  2022-10-14T12:00:36Z
source:         RIPE

route:          192.68.51.0/24
descr:          Narodowe Centrum Badan Jadrowych
origin:         AS198743
org:            ORG-NCBJ1-RIPE
mnt-by:         MNT-EXATEL
created:        2012-04-27T10:01:42Z
last-modified:  2023-05-30T07:20:06Z
source:         RIPE

organisation:   ORG-NCBJ1-RIPE
org-name:       Narodowe Centrum Badan Jadrowych
country:        PL
org-type:       OTHER
address:        ul. Andrzeja Soltana 7
address:        05-400 Otwock
address:        Polska
e-mail:         nst@cis.gov.pl
abuse-c:        NA5420-RIPE
mnt-ref:        MNT-EXATEL
mnt-by:         MNT-EXATEL
created:        2012-04-17T18:51:58Z
last-modified:  2022-12-01T16:39:00Z
source:         RIPE

Hosted domains

There are 13 domain names hosted across 3 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
192.68.51.20	htrconf.org	10
192.68.51.220	renderownia.pl	2
192.68.51.16	ipj.gov.pl	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

20 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
192.68.51.226	AS198743 Narodowe Centrum Badan Jadrowych	`1.60ms` from Warsaw, PL

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
31.46.143.40	AS5483 Magyar Telekom Plc.	`5.01ms` from Budapest, HU
14.185.194.152	AS45899 VNPT Corp	`8.12ms` from Da Nang, VN
92.141.236.136	AS3215 Orange S.A.	`9.74ms` from Frankfurt am Main, DE
84.134.183.184	AS3320 Deutsche Telekom AG	`2.76ms` from Frankfurt am Main, DE
176.138.82.24	AS5410 Bouygues Telecom SA	`2.90ms` from Marseille, FR
66.168.73.8	AS20115 Charter Communications LLC	`19.88ms` from Minneapolis, US
37.98.177.168	AS47241 Joint Stock Company TransTeleCom	`5.98ms` from Moscow, RU
68.173.221.8	AS12271 Charter Communications Inc	`0.83ms` from New York City, US
126.31.250.168	AS17676 SoftBank Corp.	`4.21ms` from Osaka, JP
83.204.65.88	AS3215 Orange S.A.	`12.51ms` from Paris, FR
54.242.139.40	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
153.211.11.40	AS4713 NTT Communications Corporation	`6.96ms` from Tokyo, JP
211.6.75.8	AS4713 NTT Communications Corporation	`1.25ms` from Tokyo, JP
31.8.66.120	AS28812 PJSC "Bashinformsvyaz"	`9.10ms` from Yekaterinburg, RU
184.182.233.56	AS22773 Cox Communications Inc.	`15.29ms` from Atlanta, US
89.181.120.40	AS2860 NOS COMUNICACOES, S.A.	`10.65ms` from Lisbon, PT
176.190.168.136	AS5410 Bouygues Telecom SA	`3.17ms` from Marseille, FR
189.226.39.56	AS8151 UNINET	`1.39ms` from Mexico City, MX
187.3.74.56	AS28573 Claro NXT Telecomunicacoes Ltda	`9.37ms` from Osasco, BR
91.171.162.216	AS12322 Free SAS	`6.11ms` from Paris, FR
34.64.216.56	AS396982 Google LLC	`0.09ms` from Seoul, KR
54.251.100.200	AS16509 Amazon.com, Inc.	`0.16ms` from Singapore, SG
16.16.199.24	AS16509 Amazon.com, Inc.	`0.98ms` from Stockholm, SE
124.148.81.152	AS7545 TPG Telecom Limited	`1.63ms` from Brisbane, AU
79.248.46.232	AS3320 Deutsche Telekom AG	`2.13ms` from Frankfurt am Main, DE

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f2 192.68.51.146

traceroute to 192.68.51.146 (192.68.51.146): 64 hops max, 52 byte packets

2 [AS20804] 88.220.33.153 1.392 ms

3 [AS20804] 82.177.248.18 15.812 ms

4 [AS198743] 192.68.51.225 2.226 ms

5 [AS198743] 192.68.51.146 2.693 ms

Measurement taken from

IPinfo ProbeNet in Warsaw, PL

On September 4th 2025

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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