145.51.0.0/16

AS1103  ·  SURF B.V.

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Summary

Country Netherlands
Domain hro.nl
ASN AS1103
Registry RIPE
ID HRONET

WHOIS Details

inetnum:        145.51.0.0 - 145.51.255.255
netname:        HRONET
descr:          Hogeschool Rotterdam & Omstreken
descr:          Museumpark 40
descr:          3015 CX Rotterdam
country:        NL
admin-c:        JS15878-RIPE
admin-c:        WP1617-RIPE
admin-c:        FV4808-RIPE
tech-c:         JS15878-RIPE
tech-c:         WP1617-RIPE
tech-c:         FV4808-RIPE
status:         LEGACY
mnt-by:         SN-LIR-MNT
mnt-by:         SURF-AUTO-MNT
mnt-by:         SURF-AUTO-MNT
mnt-irt:        irt-SURFcert
created:        1970-01-01T00:00:00Z
last-modified:  2025-10-02T17:29:24Z
source:         RIPE
abuse-email:    [email protected]
abuse-c:        SNS1-RIPE
abuse-org:      ORG-Sb3-RIPE

person:         Frans Verschoor
address:        Hogeschool Rotterdam
address:        Museumpark 40
address:        P.O. Box 25035
address:        3001 HA Rotterdam
address:        The Netherlands
phone:          +31 (0)10 7944237
fax-no:         +31 (0)10 7944360
nic-hdl:        FV4808-RIPE
mnt-by:         SN-LIR-MNT
created:        2014-03-24T17:12:33Z
last-modified:  2014-03-24T17:12:33Z
source:         RIPE

person:         Jeffry Sleddens
address:        Hogeschool Rotterdam
address:        Museumpark 40
address:        P.O. Box 25035
address:        3001 HA Rotterdam
address:        The Netherlands
phone:          +31 (0)10 2414415
fax-no:         +31 (0)10 2414360
e-mail:         [email protected]
nic-hdl:        JS15878-RIPE
notify:         [email protected]
notify:         [email protected]
created:        2002-01-05T16:54:48Z
last-modified:  2012-03-27T08:30:27Z
source:         RIPE
mnt-by:         HR-LIR-MNT

person:         Wouter Paalvast
address:        Hogeschool Rotterdam
address:        Museumpark 40
address:        P.O. Box 25035
address:        3001 HA Rotterdam
address:        The Netherlands
phone:          +31 (0)10 7941337
fax-no:         +31 (0)10 7944360
nic-hdl:        WP1617-RIPE
mnt-by:         SN-LIR-MNT
created:        2014-03-24T17:11:46Z
last-modified:  2014-03-24T17:11:46Z
source:         RIPE

route:          145.51.0.0/16
descr:          HESROTTERDAM
origin:         AS1103
notify:         [email protected]
mnt-by:         AS1103-MNT
created:        2002-02-27T13:45:03Z
last-modified:  2019-03-21T09:01:45Z
source:         RIPE

Nearby Ranges

BGP prefixes that overlap with 145.0.0.0/8

Range ASN Company Num of IPs
145.132.0.0/15 AS8075 Microsoft Limited 131,072
145.82.0.0/16 AS25019 Saudi Telecom Company JSC 65,536
145.95.0.0/16 AS1103 SURF B.V. 65,536
145.13.0.0/16 AS21286 F&IT RIM - OsirisNG, Zoetermeer 65,536
145.243.0.0/16 AS200757 Axel Springer SE 65,536
145.238.0.0/16 AS2200 Observatoire de Paris 65,536
145.220.0.0/16 AS1101 SURF B.V. 65,536
145.236.0.0/16 AS1902 Budapest 65,536
145.55.0.0/16 AS16509 A100 ROW Inc 65,536
145.244.0.0/16 AS210543 Steiermaerkische Krankenanstalten GesmbH 65,536
145.86.0.0/16 AS15830 Medisch Spectrum Twente 65,536
145.126.0.0/16 AS1103 SURFnet bv 65,536
145.108.0.0/16 AS1103 Vrije Universiteit Amsterdam 65,536
145.239.0.0/16 AS16276 OVH SAS 65,536
145.232.0.0/16 AS15675 Etat de Vaud, CCT 65,536
145.230.0.0/16 AS12663 Vodafone Group Services GmbH 65,536
145.17.0.0/16 AS16509 A100 ROW Inc 65,536
145.243.0.0/16 AS16509 Axel Springer SE 65,536
145.221.0.0/16 AS15625 ING Bank NV 65,536
145.4.0.0/16 AS1136 PGGM N.V. 65,536
145.68.0.0/16 AS1136 ISC-NL 65,536
145.234.0.0/16 AS206567 Tamedia AG 65,536
145.0.0.0/16 AS1103 SURFnet bv 65,536
145.94.0.0/16 AS1128 Delft University of Technology Network 65,536
145.52.0.0/16 AS1103 Haagse Hogeschool 65,536
145.76.0.0/16 AS1103 Hogeschool Saxion 65,536
145.81.0.0/16 AS1103 SURFnet bv 65,536
145.85.0.0/16 AS1103 Fontys Hogescholen 65,536
145.9.0.0/16 AS1103 Deltares 65,536
145.91.0.0/16 AS1103 Hogeschool Zuyd 65,536
145.245.0.0/16 AS2047 Hoffmann - La Roche Ltd. 65,536
145.19.0.0/16 AS1103 Hogeschool Zeeland Network 65,536
145.20.0.0/16 AS1103 Open Universiteit 65,536
145.7.0.0/16 AS1136 KPN B.V. 65,536
145.23.0.0/16 AS1103 Koninklijk Nederlands Meteorologisch Instituut 65,536
145.251.0.0/16 AS12552 Systembolaget AB 65,536
145.24.0.0/16 AS1103 Hogeschool Rotterdam & Omstreken 65,536
145.119.0.0/16 AS1136 ISC-NL 65,536
145.33.0.0/16 AS1103 Hanzehogeschool Groningen 65,536
145.103.0.0/16 AS1103 Stichting GlasLokaal 65,536
145.37.0.0/16 AS1103 Hanzehogeschool Groningen 65,536
145.18.0.0/16 AS1124 Universiteit van Amsterdam 65,536
145.41.0.0/16 AS1103 SURF B.V. 65,536
145.110.0.0/16 AS1104 NIKHEF 65,536
145.44.0.0/16 AS1103 Christelijke Hogeschool Windesheim 65,536
145.53.0.0/16 AS1136 KPN B.V. 65,536
145.5.0.0/16 AS1103 Erasmus Universiteit Rotterdam 65,536
145.117.0.0/16 AS1103 Academic Medical Centre 65,536
145.222.0.0/16 AS21286 KPN B.V. 65,536

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

Pingable IPs

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

IP Address ASN Details
145.51.82.122 AS1103 SURF B.V. 2.66ms from Amsterdam, NL
145.51.37.122 AS1103 SURF B.V. 2.74ms from Amsterdam, NL
145.51.80.160 AS1103 SURF B.V. 2.60ms from Amsterdam, NL
145.51.86.30 AS1103 SURF B.V. 2.67ms from Amsterdam, NL
145.51.50.26 AS1103 SURF B.V. 2.60ms from Amsterdam, NL
145.51.0.11 AS1103 SURF B.V. 2.41ms from Amsterdam, NL
145.51.33.126 AS1103 SURF B.V. 2.74ms from Amsterdam, NL
145.51.55.15 AS1103 SURF B.V. 2.58ms from Amsterdam, NL
145.51.43.126 AS1103 SURF B.V. 2.79ms from Amsterdam, NL
145.51.49.27 AS1103 SURF B.V. 2.60ms from Amsterdam, NL
145.51.124.126 AS1103 SURF B.V. 2.71ms from Amsterdam, NL
145.51.40.1 AS1103 SURF B.V. 2.58ms from Amsterdam, NL
145.51.81.254 AS1103 SURF B.V. 2.84ms from Amsterdam, NL
145.51.113.118 AS1103 SURF B.V. 2.67ms from Amsterdam, NL
145.51.35.126 AS1103 SURF B.V. 2.80ms from Amsterdam, NL
145.51.34.90 AS1103 SURF B.V. 2.65ms from Amsterdam, NL
145.51.57.35 AS1103 SURF B.V. 2.59ms from Amsterdam, NL
145.51.52.14 AS1103 SURF B.V. 2.61ms from Amsterdam, NL
145.51.54.95 AS1103 SURF B.V. 2.62ms from Amsterdam, NL
145.51.58.9 AS1103 SURF B.V. 2.46ms from Amsterdam, NL
145.51.91.167 AS1103 SURF B.V. 2.54ms from Amsterdam, NL
145.51.32.126 AS1103 SURF B.V. 2.61ms from Amsterdam, NL
145.51.38.254 AS1103 SURF B.V. 2.76ms from Amsterdam, NL
145.51.116.20 AS1103 SURF B.V. 2.72ms from Amsterdam, NL
145.51.83.163 AS1103 SURF B.V. 2.67ms 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
196.250.79.112 AS36924 GVA Cote d'Ivoire SAS 1.53ms from Brazzaville, CG
101.178.251.192 AS1221 Telstra Limited 4.88ms from Brisbane, AU
75.188.26.48 AS10796 Charter Communications Inc 13.32ms from Columbus, US
149.0.248.0 AS8386 Vodafone Net Iletisim Hizmetler AS 5.48ms from Istanbul, TR
23.9.206.144 AS16625 Akamai Technologies, Inc. 0.25ms from Jakarta, ID
85.63.64.160 AS12479 Orange Espagne SA 1.39ms from Madrid, ES
27.213.96.96 AS4837 CHINA UNICOM China169 Backbone 8.31ms from Qingdao, CN
46.11.179.16 AS15735 GO p.l.c. 2.79ms from Swieqi, MT
211.133.194.144 AS10010 TOKAI Communications Corporation 6.71ms from Tokyo, JP
83.27.1.16 AS5617 Orange Polska Spolka Akcyjna 6.62ms from Warsaw, PL
124.116.241.16 AS4134 CHINANET-BACKBONE 5.94ms from Xi'an, CN
70.251.211.0 AS7018 AT&T Enterprises, LLC 2.24ms from Atlanta, US
113.182.100.112 AS45899 VNPT Corp 3.07ms from Ho Chi Minh City, VN
115.76.109.192 AS7552 Viettel Group 0.97ms from Ho Chi Minh City, VN
80.189.19.224 AS6871 Plusnet 1.74ms from London, GB
23.115.101.208 AS7018 AT&T Enterprises, LLC 16.97ms from Miami, US
111.169.47.80 AS2518 BIGLOBE Inc. 5.69ms from Osaka, JP
154.55.89.144 AS174 Cogent Communications, LLC 0.80ms from Paris, FR
59.90.18.80 AS9829 National Internet Backbone 11.32ms from Saint Thomas Mount, IN
187.232.136.112 AS8151 UNINET 11.41ms from Santiago de Queretaro, MX
177.116.36.48 AS26599 TELEFÔNICA BRASIL S.A 7.21ms from São Paulo, BR
223.11.33.160 AS4134 CHINANET-BACKBONE 0.45ms from Taiyuan, CN
211.93.239.64 AS4837 CHINA UNICOM China169 Backbone 7.71ms from Taiyuan, CN
203.183.198.48 AS4694 IDC Frontier Inc. 6.99ms from Tokyo, JP
20.224.133.240 AS8075 Microsoft Corporation 0.28ms from Amsterdam, NL

Traceroute

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

$
traceroute -a -n -q1 -f3 -m10 145.51.229.121
traceroute to 145.51.229.121 (145.51.229.121): 10 hops max, 52 byte packets
3 [] 80.249.208.34 0.643 ms
6 [AS1103] 145.145.24.13 2.417 ms
7 [AS1103] 145.145.24.14 2.514 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Amsterdam, NL
On

What are IP address ranges?

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