145.88.0.18
Education
Data retrieved at
Network
ASN
IP Range
Company
SURF B.V.
Registrant
SN-LIR-MNT
LUMC-NET
Using networksdb.io for network lookups.
Hostname
Not available.
Type
Education
Handle
145.88.0.0 - 145.88.255.255
Registered
1970-01-01
Last Changed
2025-10-02
View raw RDAP
{
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"type": "LEGACY",
"country": "NL",
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{
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{
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[
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{},
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[
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{
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{
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"vcardArray": [
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[
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{},
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"4.0"
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[
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{},
"text",
"Bram Wittendorp"
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[
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{},
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[
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{
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},
{
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"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
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],
"objectClassName": "entity"
},
{
"handle": "EV4604-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Edwin Verheul"
],
[
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{},
"text",
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[
"adr",
{
"label": "SURF B.V.\nP.O. Box 19035\n3501 DA Utrecht\nThe Netherlands"
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{
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],
"objectClassName": "entity"
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{
"handle": "JO5863-RIPE",
"vcardArray": [
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[
[
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{},
"text",
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],
[
"fn",
{},
"text",
"Joachim Opdenakker"
],
[
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{},
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[
"adr",
{
"label": "Heirbaan 11\n3650 Dilsen-Stokkem"
},
"text",
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{
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},
{
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}
],
"objectClassName": "entity"
},
{
"handle": "MK512-RIPE",
"vcardArray": [
"vcard",
[
[
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{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Marijke Kaat"
],
[
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{},
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[
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{
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"+31 30 2305329"
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{
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"rel": "copyright",
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}
],
"objectClassName": "entity"
},
{
"handle": "MM57501-RIPE",
"vcardArray": [
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[
[
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{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Max Mudde"
],
[
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{},
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],
[
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{
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],
"objectClassName": "entity"
},
{
"handle": "NO17-RIPE",
"vcardArray": [
"vcard",
[
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{},
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],
[
"fn",
{},
"text",
"Niels den Otter"
],
[
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{},
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[
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{
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],
"objectClassName": "entity"
},
{
"handle": "WB311-RIPE",
"vcardArray": [
"vcard",
[
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{},
"text",
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],
[
"fn",
{},
"text",
"Wim Biemolt"
],
[
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{},
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],
[
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{
"label": "SURF bv\nP.O. Box 19035\nNL - 3501 DA Utrecht\nThe Netherlands"
},
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]
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{
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"links": [
{
"value": "https://rdap.db.ripe.net/ip/145.88.0.18",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/WB311-RIPE"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
}
],
"objectClassName": "entity"
}
],
"remarks": [
{
"description": [
"Leiden University Medical Centre",
"Albinusdreef 2",
"P.O. Box 9600",
"2333 ZA Leiden"
]
}
],
"links": [
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"rel": "rdap-up",
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"type": "application/rdap+json"
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{
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"type": "application/rdap+json"
},
{
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"rel": "rdap-down",
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"type": "application/rdap+json"
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{
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"type": "application/rdap+json"
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{
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"type": "application/rdap+json"
},
{
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"rel": "rdap-bottom",
"href": "https://rdap.db.ripe.net/ips/rirSearch1/rdap-bottom/145.88.0.0%20-%20145.88.255.255",
"type": "application/rdap+json"
},
{
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"rel": "self",
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"type": "application/rdap+json"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
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}
],
"events": [
{
"eventAction": "registration",
"eventDate": "1970-01-01T00:00:00Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-10-02T17:29:03Z"
}
],
"rdapConformance": [
"geofeed1",
"rirSearch1",
"ips",
"cidr0",
"rdap_level_0",
"nro_rdap_profile_0",
"redacted"
],
"notices": [
{
"title": "Filtered",
"description": [
"This output has been filtered."
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit:"
],
"links": [
{
"value": "https://rdap.db.ripe.net/ip/145.88.0.18",
"rel": "inaccuracy-report",
"href": "https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true",
"type": "text/html"
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]
},
{
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"RIPE"
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},
{
"title": "Terms and Conditions",
"description": [
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],
"links": [
{
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"rel": "terms-of-service",
"href": "http://www.ripe.net/db/support/db-terms-conditions.pdf",
"type": "application/pdf"
}
]
}
],
"port43": "whois.ripe.net",
"objectClassName": "ip network",
"redacted": [
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='DAL94-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
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"reason": {
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{
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"reason": {
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]
}
Security
No security threats detected for this IP.
VPN
Proxy
Tor
Hosting
Residential Proxy
Bogon
Abuser
Crawler
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Valid.
This prefix is correctly authorized by a valid ROA.
VALID
Validated Prefix
145.88.0.0/15
Authorized ASN
AS1103
Abuse Contacts
IP Geolocation
Country
The Netherlands
City
Leiden (📍 2333)
South Holland
Time Zone
Europe/Amsterdam
Coordinates
52.17, 4.4728
Continent
Europe
European Union
Yes.
Phone prefix
+31
Currency
Euro (EUR €)