Free network tools
AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
Network Report (All-in-one) BGP Looking Glass BGP Security Check RPKI Validator BGP Hijack & Leak Monitor ASN Intelligence Internet Outages & Anomalies Country Internet Report Domain Insights IP WHOIS AS WHOIS
AS39686
AS-EUROFIBER Eurofiber Nederland BV Announcing routesAS nameAS-EUROFIBER
OrganisationEurofiber-MNT
Registry (RIR)RIPE NCC
HandleAS39686
RangeAS39686
Registered06 Mar 2015
Last changed12 Oct 2026
Abuse contact[email protected]
77IPv4 prefixes
20IPv6 prefixes
79Upstreams
470Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS35625 | EUROFIBER-FRANCE Eurofiber France SAS | 7311 |
| AS3257 | GTT-BACKBONE GTT Communications Inc. | 4619 |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | 4572 |
| AS6939 | HURRICANE - Hurricane Electric LLC | 2277 |
| AS33891 | CORE-BACKBONE Core-Backbone GmbH | 501 |
| AS6461 | ZAYO-6461 - Zayo Bandwidth | 325 |
| AS200020 | NBIP-AS Stichting NBIP-NaWas | 266 |
| AS5405 | INTERDOTLINK Inter.link GmbH | 251 |
| AS34019 | HIVANE Hivane Association | 235 |
| AS25091 | IP-Max IP-Max SA | 232 |
| AS37497 | Network Platforms (PTY) LTD - Network Platforms (PTY) LTD | 231 |
| AS50629 | LWLCOM LWLcom GmbH | 225 |
| AS34927 | iFog-GmbH iFog GmbH | 221 |
| AS9002 | RETN-AS RETN Limited | 186 |
| AS35280 | F5 F5 Networks SARL | 177 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS205185 | DCSPINE Eurofiber Cloud Infra B.V. | 2153 |
| AS35625 | EUROFIBER-FRANCE Eurofiber France SAS | 1967 |
| AS209871 | Infomedics Infomedics BV | 867 |
| AS212157 | LOGIUS-AZ-1 baten-lastendienst Logius | 853 |
| AS50309 | ARCADIZ Arcadiz Telecom NV | 801 |
| AS34663 | ASBELASTINGDIENST Belastingdienst | 632 |
| AS211856 | De-Nederlandsche-Bank De Nederlandsche Bank N.V. | 625 |
| AS51647 | Gemeente-Amsterdam Gemeente Amsterdam | 473 |
| AS203396 | MinEZ-DICTU Ministerie van Economische Zaken | 456 |
| AS60941 | FTS Fujitsu Technology Solutions BV | 416 |
| AS198687 | PROVINCIE-NH-AS Provincie Noord-Holland | 394 |
| AS48037 | SSO-ICT SSC-ICT Haaglanden | 394 |
| AS42383 | AUTO-1 ITT Desk B.V. | 386 |
| AS196987 | RealDolmen-DC-AS Inetum Belgium NV | 377 |
| AS206436 | FUJIFILM-AS FUJIFILM Europe B.V. | 377 |
IPv4 prefixes (77)
46.102.148.0/22193.53.159.0/24185.60.60.0/22144.178.224.0/20161.51.64.0/19185.202.224.0/242.58.108.0/22195.130.199.0/2437.251.176.0/20185.172.4.0/2490.145.255.0/24193.104.129.0/2437.251.200.0/21185.172.5.0/2493.157.136.0/23193.53.137.0/24193.41.42.0/24185.41.144.0/22145.77.240.0/20195.189.20.0/22185.245.21.0/24185.65.125.0/24185.125.236.0/2291.212.104.0/2484.53.64.0/18151.248.48.0/2191.194.8.0/2331.207.8.0/21144.178.96.0/21194.104.28.0/22151.236.144.0/20193.53.16.0/24185.92.199.0/2491.220.123.0/2490.145.0.0/1646.22.176.0/2337.251.240.0/21144.178.240.0/21109.94.144.0/2082.148.192.0/19185.165.195.0/2491.234.145.0/24144.178.112.0/22144.178.120.0/21193.53.128.0/2491.198.203.0/24193.53.18.0/24185.30.56.0/2445.11.164.0/22144.178.192.0/19144.178.108.0/22145.77.128.0/19194.53.24.0/21194.104.113.0/2445.80.232.0/22144.178.248.0/22195.191.230.0/24193.105.33.0/24141.136.16.0/20193.242.97.0/24193.53.139.0/24193.53.19.0/2483.223.53.0/24195.68.244.0/24171.25.217.0/2431.207.16.0/20193.247.198.0/24193.247.199.0/24144.178.64.0/19193.53.128.0/19185.65.124.0/23193.34.4.0/2289.20.160.0/1993.95.248.0/21185.222.232.0/22185.184.204.0/22194.53.116.0/23
IPv6 prefixes (20)
2a0e:4980::/322a02:fe9:266::/482001:67c:18a0::/482a07:3501:1032::/472a00:f620:1::/482a04:f840::/402a01:9bc0::/292a04:f840:1::/482a02:fe8::/322a07:3502:11c0::/482a10:dac0:102::/482a01:5620::/292a02:120::/292a07:3502:1210::/462a02:fe9::/322a07:3501:1060::/482a05:b2c4::/312a07:3501:1010::/462a07:3502:10e0::/482a07:3500:11e0::/48
RPKI-validate all prefixes of AS39686
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| administrative, technical | Eurofiber NMC | ER4941-RIPE | +31207990990 | Safariweg 25-31, 3605MA Maarssen, the Netherlands |
| registrant | Eurofiber-MNT | Eurofiber-MNT | ||
| registrant | Eurofiber Nederland BV | ORG-SVS6-RIPE | +31302428700 | Safariweg 25-26, 3605 MA, Maarssen, NETHERLANDS |
| registrant | RIPE-NCC-END-MNT | RIPE-NCC-END-MNT | ||
| abuse | Eurofiber ROLE-object | IR658-RIPE | [email protected] | Safariweg 25-31, 3605MA Maarssen, The Netherlands |
| administrative | Adriaan E. van den Bosch | AEB17-RIPE | +31(0)30 2428941, +31(0)6 204 17 860 | Safariweg 25-31 Maarssen The Netherlands |
| administrative | Casper Gondelach | CG422-RIPE | +31 30 242 8700 | Safariweg 25-3 3605 MA Maarssen The Netherlands |
| registrant | Eurofiber-MNT | Eurofiber-MNT |
Raw registry response
{
"handle": "AS39686",
"startAutnum": 39686,
"endAutnum": 39686,
"name": "AS-EUROFIBER",
"status": [
"active"
],
"entities": [
{
"handle": "ER4941-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Eurofiber NMC"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Safariweg 25-31\n3605MA Maarssen\nthe Netherlands"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+31207990990"
]
]
],
"roles": [
"administrative",
"technical"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/ER4941-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"
},
{
"handle": "Eurofiber-MNT",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Eurofiber-MNT"
],
[
"kind",
[],
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/Eurofiber-MNT"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "ORG-SVS6-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Eurofiber Nederland BV"
],
[
"kind",
[],
"text",
"org"
],
[
"adr",
{
"label": "Safariweg 25-26\n3605 MA\nMaarssen\nNETHERLANDS"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+31302428700"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/ORG-SVS6-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"
},
{
"handle": "RIPE-NCC-END-MNT",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"RIPE-NCC-END-MNT"
],
[
"kind",
[],
"text",
"individual"
],
[
"org",
[],
"text",
"ORG-NCC1-RIPE"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/RIPE-NCC-END-MNT"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"objectClassName": "entity"
},
{
"handle": "IR658-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Eurofiber ROLE-object"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Safariweg 25-31\n3605MA Maarssen\nThe Netherlands"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
{
"type": "abuse"
},
"text",
"[email protected]"
]
]
],
"roles": [
"abuse"
],
"entities": [
{
"handle": "AEB17-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Adriaan E. van den Bosch"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Safariweg 25-31 Maarssen The Netherlands"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+31(0)30 2428941"
],
[
"tel",
{
"type": "voice"
},
"text",
"+31(0)6 204 17 860"
]
]
],
"roles": [
"administrative"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/AEB17-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"
},
{
"handle": "CG422-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Casper Gondelach"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Safariweg 25-3 3605 MA Maarssen The Netherlands"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+31 30 242 8700"
]
]
],
"roles": [
"administrative"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/CG422-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"
},
{
"handle": "Eurofiber-MNT",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Eurofiber-MNT"
],
[
"kind",
[],
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/Eurofiber-MNT"
},
{
"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": [
"Looking Glass: https://lg.eurofiber.com/",
"Transits:",
"Customers:",
"Related companies:",
"Peerings:",
"Public Peerings:"
]
}
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "rdap-up",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS39686",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "rdap-up rdap-active",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS39686?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "rdap-down",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-down/AS39686",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "rdap-top",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS39686",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "rdap-top rdap-active",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS39686?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "rdap-bottom",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-bottom/AS39686",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "self",
"href": "https://rdap.db.ripe.net/autnum/39686",
"type": "application/rdap+json"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
"href": "http://www.ripe.net/data-tools/support/documentation/terms"
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2015-03-06T06:55:27Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-10-12T11:53:50Z"
}
],
"rdapConformance": [
"nro_rdap_profile_asn_flat_0",
"rirSearch1",
"autnums",
"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/autnum/39686",
"rel": "inaccuracy-report",
"href": "https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true",
"type": "text/html"
}
]
},
{
"title": "Source",
"description": [
"Objects returned came from source",
"RIPE"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the RIPE Database query service. The objects are in RDAP format."
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/39686",
"rel": "terms-of-service",
"href": "http://www.ripe.net/db/support/db-terms-conditions.pdf",
"type": "application/pdf"
}
]
}
],
"port43": "whois.ripe.net",
"objectClassName": "autnum",
"redacted": [
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='ER4941-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='ORG-SVS6-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='IR658-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
}
]
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.
