AS1103
SURF B.V. · surf.nl
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Field | Value |
---|---|
Country |
Netherlands
|
Website | surf.nl |
Hosted domains | 8,983 |
Number of IPv4 | 7,204,096 |
Number of IPv6 | 633,827,717,965,753,930,006,701,015,040 |
ASN type | Education |
Registry | ripe |
Allocated | 23 years ago on Sep 23, 2002 |
Updated | 5 months ago on Apr 30, 2025 |
IP Ranges
Netblock | Company | Num of IPs |
---|---|---|
145.144.0.0/12 | SURFnet bv | 1,048,576 |
145.160.0.0/12 | SURFnet bv | 1,048,576 |
145.120.0.0/14 | SURFnet bv | 262,144 |
145.140.0.0/14 | SURF B.V. | 262,144 |
145.100.0.0/15 | SURFsara | 131,072 |
145.124.0.0/15 | Stichting ASTRON | 131,072 |
145.136.0.0/15 | Hogeschool Rotterdam & Omstreken | 131,072 |
145.2.0.0/15 | Hogeschool Saxion | 131,072 |
145.28.0.0/15 | Hogeschool van Amsterdam | 131,072 |
145.38.0.0/15 | SURFsara reken cluster | 131,072 |
145.48.0.0/15 | Avans Hogeschool | 131,072 |
145.74.0.0/15 | Hogeschool van Arnhem en Nijmegen | 131,072 |
145.88.0.0/15 | Leiden University Medical Centre | 131,072 |
145.92.0.0/15 | Hogeschool van Amsterdam | 131,072 |
129.125.0.0/16 | Groningen | 65,536 |
130.37.0.0/16 | Vrije Universiteit Amsterdam | 65,536 |
131.174.0.0/16 | Radboud Universiteit Nijmegen | 65,536 |
131.211.0.0/16 | Heidelberglaan 8 | 65,536 |
131.224.0.0/16 | Rijksinstituut voor Volksgezondheid en Milieuhygiene | 65,536 |
132.229.0.0/16 | P.O. box 9500 | 65,536 |
134.221.0.0/16 | Dutch organization for applied scientific research | 65,536 |
136.231.0.0/16 | Stichting Deltares | 65,536 |
137.120.0.0/16 | P.O.Box 616, 6200 MD, Maastricht, The Netherlands | 65,536 |
137.224.0.0/16 | Wageningen Universiteit | 65,536 |
137.56.0.0/16 | Universiteit van Tilburg | 65,536 |
139.63.0.0/16 | Dutch organization for applied scientific research | 65,536 |
141.252.0.0/16 | 65,536 | |
143.121.0.0/16 | Universitair Medisch Centrum Utrecht | 65,536 |
145.0.0.0/16 | SURFnet bv | 65,536 |
145.102.0.0/16 | SURFnet bv | 65,536 |
145.103.0.0/16 | Stichting GlasLokaal | 65,536 |
145.107.0.0/16 | SURF B.V. | 65,536 |
145.108.0.0/16 | Vrije Universiteit Amsterdam | 65,536 |
145.117.0.0/16 | Academic Medical Centre | 65,536 |
145.118.0.0/16 | SURFnet bv | 65,536 |
145.126.0.0/16 | SURFnet bv | 65,536 |
145.138.0.0/16 | ROC Aventus | 65,536 |
145.19.0.0/16 | Hogeschool Zeeland Network | 65,536 |
145.20.0.0/16 | Open Universiteit | 65,536 |
145.23.0.0/16 | Koninklijk Nederlands Meteorologisch Instituut | 65,536 |
145.24.0.0/16 | Hogeschool Rotterdam & Omstreken | 65,536 |
145.33.0.0/16 | Hanzehogeschool Groningen | 65,536 |
145.37.0.0/16 | Hanzehogeschool Groningen | 65,536 |
145.41.0.0/16 | SURFnet4 backbone | 65,536 |
145.44.0.0/16 | Christelijke Hogeschool Windesheim | 65,536 |
145.5.0.0/16 | Erasmus University Rotterdam | 65,536 |
145.51.0.0/16 | Hogeschool Rotterdam & Omstreken | 65,536 |
145.52.0.0/16 | Haagse Hogeschool | 65,536 |
145.76.0.0/16 | Hogeschool Saxion | 65,536 |
145.81.0.0/16 | SURFnet bv | 65,536 |
145.85.0.0/16 | Fontys Hogescholen | 65,536 |
145.90.0.0/16 | SURFnet bv | 65,536 |
145.9.0.0/16 | Deltares | 65,536 |
145.91.0.0/16 | Hogeschool Zuyd | 65,536 |
145.95.0.0/16 | SURFnet bv | 65,536 |
145.96.0.0/16 | SURFnet bv | 65,536 |
145.98.0.0/16 | Universiteit Maastricht Lab | 65,536 |
156.83.0.0/16 | Erasmus MC | 65,536 |
192.87.0.0/16 | SURF B.V. | 65,536 |
194.171.0.0/16 | SURF B.V. | 65,536 |
195.169.0.0/16 | SURF B.V. | 65,536 |
145.1.0.0/17 | Stichting NIOZ, Koninklijk Nederlands Instituut voor Onderzoek der Zee | 32,768 |
145.127.0.0/17 | Universiteit Maastricht (UM) | 32,768 |
145.116.128.0/18 | Radboud University Nijmegen | 16,384 |
145.116.64.0/18 | ROC Mondriaan | 16,384 |
145.137.128.0/18 | Radboud Universiteit Nijmegen | 16,384 |
145.97.128.0/18 | Rijks Universiteit Groningen | 16,384 |
145.97.192.0/18 | SURF B.V. | 16,384 |
145.97.64.0/18 | ROC Oost-Nederland | 16,384 |
145.116.224.0/19 | ROC Oost-Nederland | 8,192 |
145.116.192.0/20 | Zeeuwse Bibliotheek | 4,096 |
145.97.0.0/20 | SURF B.V. | 4,096 |
145.97.48.0/20 | ROC Oost-Nederland | 4,096 |
194.104.240.0/20 | Maastricht | 4,096 |
194.13.16.0/20 | Inspectie van het Onderwijs | 4,096 |
145.97.24.0/21 | Radboud University Nijmegen | 2,048 |
194.13.112.0/21 | Stichting Sint Antonius Ziekenhuis | 2,048 |
145.107.24.0/22 | Radboud University Nijmegen | 1,024 |
145.97.16.0/22 | Hogeschool Leiden | 1,024 |
145.97.20.0/22 | SURFnet SURFcloud | 1,024 |
192.42.120.0/22 | SURFnet | 1,024 |
192.42.124.0/22 | De Zaale 20 | 1,024 |
193.177.176.0/22 | Veldhoven | 1,024 |
194.26.12.0/22 | Eindhoven | 1,024 |
194.26.8.0/22 | Eindhoven | 1,024 |
192.16.188.0/23 | SURFnet bv | 512 |
192.42.114.0/23 | Plesmanlaan 121 | 512 |
194.104.124.0/23 | Breda | 512 |
192.104.140.0/24 | Centraal Planbureau | 256 |
192.31.231.0/24 | Vrije Universiteit | 256 |
192.33.36.0/24 | Vrije Universiteit | 256 |
192.42.113.0/24 | SURFnet bv | 256 |
192.43.212.0/24 | Dutch organization for applied scientific research | 256 |
193.176.235.0/24 | Amsterdam | 256 |
194.53.88.0/24 | Tilburg | 256 |
194.53.89.0/24 | Tilburg | 256 |
194.53.92.0/24 | Tilburg | 256 |
194.53.94.0/24 | Tilburg | 256 |
194.53.95.0/24 | Tilburg | 256 |
Netblock | Company |
---|---|
2001:610::/29 | SURF B.V. |
2001:67c:1200::/48 | Maxima Medisch Centrum |
2001:67c:262c::/48 | Dienst Uitvoering Onderwijs |
WHOIS Details
ASHandle: AS1103 OrgID: AS1103 ASName: AS1103 ASNumber: AS1103 RegDate: 0000-00-00 Updated: 0000-00-00 TechHandle: AA00-AAAA Source: AAAA
Hosted Domains
There are 8,983 domain names hosted across 1,526 IP addresses on this ASN.
IP Address | Domain | Domains on this IP |
---|---|---|
195.169.119.134 | ██████████ | 483 |
131.224.244.92 | ██████████ | 410 |
134.221.44.39 | █████████ | 335 |
145.74.103.94 | ██████ | 290 |
137.224.9.30 | ██████ | 238 |
132.229.29.70 | ██████████ | 230 |
131.211.194.230 | ██████████ | 218 |
137.120.30.67 | █████████ | 192 |
132.229.92.35 | ██████████ | 169 |
194.171.22.145 | ██████████ | 169 |
Peers
There are 1,026 peers for this ASN.
Peers | Name |
---|---|
AS10099 | China Unicom Global |
AS10122 | NETSTAR (SG) PTE. LTD. |
AS1031 | PEER 1031 LLC |
AS10310 | Yahoo Holdings Inc. |
AS1101 | IP-EEND BV |
AS11019 | HAProxy Technologies, Inc. |
AS1102 | SMEERBOEL BV |
AS1104 | Stichting Nederlandse Wetenschappelijk Onderzoek Instituten |
AS11179 | Aryaka Networks, Inc. |
AS112 | DNS-OARC |
AS1124 | Universiteit van Amsterdam |
AS1126 | Vancis Advanced ICT Services |
AS1128 | SURF B.V. |
AS1133 | University Twente |
AS11358 | Tennant Software |
AS1136 | KPN B.V. |
AS1140 | Stichting Internet Domeinregistratie Nederland |
AS1145 | SURF B.V. |
AS1147 | SURF B.V. |
AS1152 | SURF B.V. |
AS11537 | Internet2 |
AS1161 | SURF B.V. |
AS11967 | Hop179 LLC |
AS1200 | Amsterdam Internet Exchange B.V. |
AS12189 | PhoenixNAP LLC |
AS12297 | Telecom Armenia AS |
AS12306 | Plus.line AG |
AS12322 | Free SAS |
AS12329 | GLASFASER RUHR GmbH & Co. KG |
AS12355 | HeLi NET Telekommunikation GmbH & Co. |
AS12399 | q.beyond AG |
AS12400 | Partner Communications Ltd. |
AS1241 | Forthnet |
AS12414 | Solcon Internetdiensten B.V. |
AS12440 | Hughes Network Systems GmbH |
AS1248 | HERE Global BV |
AS12552 | GlobalConnect AB |
AS12578 | SIA Tet |
AS12637 | SEEWEB s.r.l. |
AS12654 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) |
AS1267 | WIND TRE S.P.A. |
AS12693 | e.discom Telekommunikation GmbH |
AS12695 | LLC Digital Network |
AS12703 | Pulsant (Scotland) Ltd |
AS12713 | OTEGlobe |
AS12731 | IPHH Internet Port Hamburg GmbH |
AS12741 | Netia SA |
AS12759 | Stephan Fuss trading as SoftCom Datensysteme |
AS12779 | IT.Gate S.p.A. |
AS12859 | BIT BV |
AS12876 | SCALEWAY S.A.S. |
AS12888 | Amadeus Data Processing GmbH |
AS12897 | ENTEGA Medianet GmbH |
AS12902 | Luna.nl B.V. |
AS12969 | Vodafone Iceland |
AS12993 | Sabiedriba ar ierobezotu atbildibu DELSKA Latvia |
AS13000 | Leon Sp. z o.o. |
AS13002 | ISIX Communications LLP |
AS13030 | Init7 (Switzerland) Ltd. |
AS13101 | TNG Stadtnetz GmbH |
AS13122 | Manx Telecom Trading Ltd |
AS13132 | cyberways Informationsdienste GmbH |
AS13150 | CATO NETWORKS LTD |
AS13194 | Bite IP Network |
AS131958 | Tama Cable Network Co.,Ltd. |
AS13213 | UK-2 Limited |
AS132203 | Tencent Building, Kejizhongyi Avenue |
AS132337 | Axclusive |
AS13237 | euNetworks GmbH |
AS13249 | PRIVATE JOINT STOCK COMPANY "DATAGROUP" |
AS13285 | TalkTalk Communications Limited |
AS132876 | Symphony Communication (Thailand) PCL. |
AS13289 | Krick Management GmbH trading as iWelt GmbH + Co. KG |
AS13335 | Cloudflare, Inc. |
AS13360 | Triton Digital |
AS133613 | MTel telecommunication company ltd. |
AS13445 | Cisco Webex LLC |
AS135391 | AOFEI DATA INTERNATIONAL COMPANY LIMITED |
AS136106 | PT. Mega Akses Persada |
AS136907 | HUAWEI CLOUDS |
AS137182 | BLUE WIRELESS PTE LTD |
AS137367 | PT iForte Solusi Infotek |
AS137409 | GSL Networks Pty LTD |
AS138322 | Afghan Wireless Communication Company |
AS138915 | Kaopu Cloud HK Limited |
AS139341 | ACE |
AS139628 | Mega Truenet Communication Co., Ltd. |
AS13984 | SD Data Center |
AS139901 | Apple Communication Ltd. |
AS14061 | DigitalOcean, LLC |
AS14127 | Iland Internet Solutions Corporation |
AS14537 | Continent 8 LLC |
AS14593 | Space Exploration Technologies Corporation |
AS14630 | Invesco Group Services, Inc. |
AS14840 | BR.Digital Provider |
AS14907 | Wikimedia Foundation Inc. |
AS150000 | Data-Beam Business Solution |
AS15169 | Google LLC |
AS15412 | FLAG TELECOM UK LIMITED |
AS15435 | DELTA Fiber Nederland B.V. |
Upstreams
There are 7 upstreams for this ASN.
upstreams | Name |
---|---|
AS20562 | Broadband Hosting B.V. |
AS24785 | Broadband Hosting B.V. |
AS2603 | NORDUnet |
AS2914 | NTT America, Inc. |
AS3257 | GTT Communications Inc. |
AS6830 | Liberty Global B.V. |
AS6939 | Hurricane Electric LLC |
Downstreams
There are 27 downstreams for this ASN.
Downstreams | Name |
---|---|
AS1101 | IP-EEND BV |
AS1102 | SMEERBOEL BV |
AS1104 | Stichting Nederlandse Wetenschappelijk Onderzoek Instituten |
AS112 | DNS-OARC |
AS1124 | Universiteit van Amsterdam |
AS1128 | SURF B.V. |
AS1133 | University Twente |
AS1140 | Stichting Internet Domeinregistratie Nederland |
AS1145 | SURF B.V. |
AS1147 | SURF B.V. |
AS1152 | SURF B.V. |
AS1161 | SURF B.V. |
AS1200 | Amsterdam Internet Exchange B.V. |
AS12654 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) |
AS1837 | The North Atlantic Treaty Organization |
AS1888 | Stichting Centrum voor Wiskunde en Informatica |
AS203769 | Cooperatie KIEN u.a. |
AS206130 | Stichting Carmel College |
AS215088 | SIDN Labs lab network |
AS25152 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) |
AS25182 | NPO Nederlandse Publieke Omroep |
AS288 | European Space Agency (ESA) |
AS2914 | NTT America, Inc. |
AS3257 | GTT Communications Inc. |
AS3333 | Reseaux IP Europeens Network Coordination Centre (RIPE NCC) |
AS42165 | European Commission - Directorate General - Joint Research Centre |
AS6939 | Hurricane Electric LLC |
Pingable IPs
2,805 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.
IP Address | ASN | Details |
---|---|---|
131.211.13.129 |
1.05ms from Amsterdam,
NL
|
|
145.89.190.1 |
1.65ms from Amsterdam,
NL
|
|
145.38.4.46 |
0.42ms from Amsterdam,
NL
|
|
145.120.72.110 |
1.60ms from Amsterdam,
NL
|
|
194.171.150.9 |
2.94ms from Amsterdam,
NL
|
|
145.126.81.39 |
6.07ms from Amsterdam,
NL
|
|
131.211.113.65 |
1.08ms from Amsterdam,
NL
|
|
145.137.22.255 |
5.54ms from Amsterdam,
NL
|
|
145.24.218.254 |
2.48ms from Amsterdam,
NL
|
|
145.108.230.54 |
3.67ms from Amsterdam,
NL
|
|
132.229.173.94 |
1.38ms from Amsterdam,
NL
|
|
194.171.196.254 |
0.74ms from Amsterdam,
NL
|
|
141.252.227.1 |
4.29ms from Amsterdam,
NL
|
|
131.211.102.116 |
1.21ms from Amsterdam,
NL
|
|
145.107.221.221 |
1.67ms from Amsterdam,
NL
|
|
145.102.41.1 |
1.05ms from Amsterdam,
NL
|
|
145.102.246.82 |
0.83ms from Amsterdam,
NL
|
|
141.252.190.1 |
4.47ms from Amsterdam,
NL
|
|
137.224.16.254 |
3.81ms from Amsterdam,
NL
|
|
131.174.8.210 |
3.05ms from Amsterdam,
NL
|
|
145.3.71.225 |
4.58ms from Amsterdam,
NL
|
|
130.37.81.15 |
2.85ms from Amsterdam,
NL
|
|
145.44.233.247 |
2.43ms from Amsterdam,
NL
|
|
145.100.187.21 |
2.99ms from Amsterdam,
NL
|
|
131.174.52.6 |
3.95ms 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 |
---|---|---|
18.237.231.47 |
0.26ms from Boardman,
US
|
|
34.140.80.239 |
0.15ms from Brussels,
BE
|
|
13.59.158.223 |
0.15ms from Columbus,
US
|
|
73.54.21.15 |
5.92ms from Miami,
US
|
|
18.160.99.111 |
0.12ms from Minneapolis,
US
|
|
13.222.110.143 |
0.37ms from Reston,
US
|
|
154.94.75.255 |
0.47ms from Riyadh,
SA
|
|
99.239.131.79 |
4.34ms from Toronto,
CA
|
|
212.237.36.63 |
0.33ms from Arezzo,
IT
|
|
73.184.217.159 |
4.74ms from Atlanta,
US
|
|
31.3.120.79 |
5.63ms from Barcelona,
ES
|
|
173.27.51.207 |
12.72ms from Chicago,
US
|
|
35.202.196.95 |
0.10ms from Council Bluffs,
US
|
|
109.221.121.127 |
12.77ms from Frankfurt am Main,
DE
|
|
217.255.13.223 |
2.78ms from Frankfurt am Main,
DE
|
|
112.7.211.143 |
2.00ms from Jinan,
CN
|
|
31.222.150.15 |
1.15ms from London,
GB
|
|
198.168.126.31 |
3.06ms from Minneapolis,
US
|
|
34.73.240.191 |
0.12ms from Moncks Corner,
US
|
|
218.228.139.223 |
1.80ms from Osaka,
JP
|
|
58.3.101.111 |
9.28ms from Osaka,
JP
|
|
52.87.16.143 |
0.20ms from Reston,
US
|
|
3.230.102.63 |
0.18ms from Reston,
US
|
|
125.176.174.223 |
4.25ms from Seoul,
KR
|
|
61.155.128.79 |
4.66ms from Shanghai,
CN
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.
Related Networks
What is an ASN?
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS1103 at robtex.
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