145.107.4.0/22

AS1104 · Stichting Nederlandse Wetenschappelijk Onderzoek Instituten

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Summary

Country	Netherlands
Domain	nikhef.nl
ASN	AS1104
Registry	RIPE
ID	NIKHEF-NET

WHOIS Details

inetnum:        145.107.4.0 - 145.107.7.255
netname:        NIKHEF-NET
descr:          NIKHEF
descr:          Amsterdam
country:        NL
admin-c:        NIK1975-RIPE
tech-c:         NIK1975-RIPE
status:         LEGACY
mnt-by:         SN-LIR-MNT
mnt-irt:        irt-CERT-NL
created:        2013-10-09T09:05:28Z
last-modified:  2021-01-28T11:54:55Z
source:         RIPE
abuse-email:    cert@surfcert.nl
abuse-c:        SNS1-RIPE
abuse-org:      ORG-Sb3-RIPE

role:           Nikhef Network Operations Centre
address:        Science Park 105, NL 1098 XG Amsterdam, The Netherlands
e-mail:         noc@nikhef.nl
e-mail:         as1104@nikhef.nl
remarks:        *** Dutch National Institute for Subatomic Physics
remarks:        *** send to noc@nikhef.nl for network issues, to
remarks:        *** as1104@nikhef.nl for peering requests, and
remarks:        *** complaints and abuse notices to security@nikhef.nl
fax-no:         +31205925155
admin-c:        TS6666
admin-c:        DG11973-RIPE
tech-c:         DG11973-RIPE
tech-c:         TS6666
nic-hdl:        NIK1975-RIPE
mnt-by:         AS1104-MNT
created:        2018-07-02T13:05:19Z
last-modified:  2022-02-07T12:42:27Z
source:         RIPE

route:          145.107.4.0/22
descr:          NIKHEF-CLUSTER
origin:         AS1104
mnt-by:         AS1103-MNT
mnt-by:         AS1104-MNT
mnt-routes:     AS1103-MNT
mnt-routes:     AS1104-MNT
created:        2013-11-05T12:48:05Z
last-modified:  2013-11-05T12:48:05Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 145.107.0.0/16

Range	ASN	Company	Num of IPs
145.107.24.0/22	AS1103	Radboud University Nijmegen	1,024

Hosted domains

There are no domains currently hosted on this ASN.

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

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Pingable IPs

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

IP Address	ASN	Details
145.107.4.123	AS1104 Stichting Nederlandse Wetenschappelijk Onderzoek Instituten	`0.37ms` from Amsterdam, NL
145.107.7.222	AS1104 Stichting Nederlandse Wetenschappelijk Onderzoek Instituten	`0.39ms` from Amsterdam, NL
145.107.5.47	AS1104 Stichting Nederlandse Wetenschappelijk Onderzoek Instituten	`0.36ms` from Amsterdam, NL

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
69.248.73.198	AS7922 Comcast Cable Communications, LLC	`8.29ms` from Ashburn, US
101.243.61.38	AS17429 BEIJING GEHUA CATV NETWORK CO.LTD	`4.55ms` from Beijing, CN
89.186.147.166	AS16202 Tele Columbus AG	`13.69ms` from Berlin, DE
87.154.75.182	AS3320 Deutsche Telekom AG	`2.22ms` from Berlin, DE
20.221.163.214	AS8075 Microsoft Corporation	`0.36ms` from Boydton, US
106.87.51.134	AS4134 CHINANET-BACKBONE	`4.94ms` from Chongqing, CN
98.29.85.246	AS10796 Charter Communications Inc	`9.76ms` from Columbus, US
54.216.16.182	AS16509 Amazon.com, Inc.	`0.20ms` from Dublin, IE
162.157.240.134	AS852 TELUS Communications Inc.	`1.26ms` from Edmonton, CA
201.23.7.182	AS272432 MAGAZINE LUIZA S/A	`0.39ms` from Fortaleza, BR
86.243.93.86	AS3215 Orange S.A.	`6.24ms` from Frankfurt am Main, DE
57.135.43.38	AS30404 Blue Stream	`0.54ms` from Jacksonville, US
148.231.206.198	AS16596 Universidad Autonoma del Estado de Baja California	`5.46ms` from Los Angeles, US
81.112.137.118	AS3269 Telecom Italia S.p.A.	`1.60ms` from Milan, IT
12.147.75.134	AS7018 AT&T Enterprises, LLC	`2.53ms` from San Jose, US
114.119.188.182	AS136907 HUAWEI CLOUDS	`0.65ms` from Singapore, SG
221.192.125.70	AS4837 CHINA UNICOM China169 Backbone	`7.09ms` from Tianjin, CN
153.182.31.182	AS4713 NTT DOCOMO BUSINESS,Inc.	`2.58ms` from Tokyo, JP
3.165.174.86	AS16509 Amazon.com, Inc.	`0.23ms` from Atlanta, US
203.192.7.166	AS4611 CNNIC member	`3.39ms` from Beijing, CN
154.86.48.70	AS136907 HUAWEI CLOUDS	`1.11ms` from Hong Kong, HK
185.13.245.70	AS15692 Razorblue Ltd	`5.28ms` from London, GB
82.33.216.22	AS5089 Virgin Media Limited	`2.96ms` from London, GB
90.192.67.214	AS5607 Sky UK Limited	`5.63ms` from London, GB
5.70.219.54	AS5607 Sky UK Limited	`2.34ms` from London, GB

Traceroute

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

traceroute -a -n -q1 -f5 145.107.5.38

traceroute to 145.107.5.38 (145.107.5.38): 64 hops max, 52 byte packets

5 [] 185.1.160.66 1.016 ms

6 [AS1104] 145.107.5.38 0.404 ms

Measurement taken from

IPinfo ProbeNet in Amsterdam, NL

On November 14th 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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