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
AS51519
Karabro Karabro AB Announcing routesAS nameKarabro
OrganisationKARABRO-MNT
Registry (RIR)RIPE NCC
HandleAS51519
RangeAS51519
Registered29 Oct 2021
Last changed28 Feb 2026
Abuse contact[email protected]
2IPv4 prefixes
1IPv6 prefixes
7Upstreams
8Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS39351 | ESAB-AS 31173 Services AB | 149881 |
| AS5405 | INTERDOTLINK Inter.link GmbH | 797 |
| AS6939 | HURRICANE - Hurricane Electric LLC | 368 |
| AS35280 | F5 F5 Networks SARL | 298 |
| AS20473 | AS-VULTR - The Constant Company, LLC | 77 |
| AS8434 | TELENOR-SE Telenor Sverige AB | 39 |
| AS14840 | AS14840 - BR.Digital Telecom | 12 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS212085 | BRUEGGUS-AS Alexander Bruegmann | 260 |
| AS58057 | SECUREBIT Securebit AG | 255 |
| AS208478 | Karabro-Anycast Karabro AB | 253 |
| AS213366 | Sweplox Albin Hakanson | 253 |
| AS216100 | RUILI Rui Li | 253 |
| AS43099 | NET-CPT Curie Point AB | 238 |
| AS212079 | SWEROAM-SE Sweroam AB | 62 |
| AS202687 | MAINLOOP-ANYCAST-AS Mainloop AB | 16 |
IPv4 prefixes (2)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS51519
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | KARABRO-MNT | KARABRO-MNT | ||
| administrative, technical | Karabro NOC | KN3157-RIPE | +46406688096 | Karabro AB, Scheelegatan 9, 21228 Malmö, Sweden |
| registrant | Karabro AB | ORG-BA1235-RIPE | +46406688096 | Scheelegatan 9, 21228, Malmö, SWEDEN |
| registrant | RIPE-NCC-END-MNT | RIPE-NCC-END-MNT | ||
| abuse | Abuse-C Role | AR54198-RIPE | [email protected], +46406688096 | Karabro AB, Scheelegatan 9, 21228, Malmö, SWEDEN |
| registrant | KARABRO-MNT | KARABRO-MNT |
Raw registry response
{
"handle": "AS51519",
"startAutnum": 51519,
"endAutnum": 51519,
"name": "Karabro",
"status": [
"active"
],
"entities": [
{
"handle": "KARABRO-MNT",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"KARABRO-MNT"
],
[
"kind",
[],
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/51519",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/KARABRO-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": "KN3157-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Karabro NOC"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Karabro AB\nScheelegatan 9\n21228 Malmö\nSweden"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+46406688096"
]
]
],
"roles": [
"administrative",
"technical"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/51519",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/KN3157-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": "ORG-BA1235-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Karabro AB"
],
[
"kind",
[],
"text",
"org"
],
[
"adr",
{
"label": "Scheelegatan 9\n21228\nMalmö\nSWEDEN"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+46406688096"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/51519",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/ORG-BA1235-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/51519",
"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": "AR54198-RIPE",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Abuse-C Role"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Karabro AB\nScheelegatan 9\n21228\nMalmö\nSWEDEN"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+46406688096"
],
[
"email",
{
"type": "abuse"
},
"text",
"[email protected]"
]
]
],
"roles": [
"abuse"
],
"entities": [
{
"handle": "KARABRO-MNT",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"KARABRO-MNT"
],
[
"kind",
[],
"text",
"individual"
]
]
],
"roles": [
"registrant"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/51519",
"rel": "self",
"href": "https://rdap.db.ripe.net/entity/KARABRO-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": [
"Karabro AB",
"-----------------------------------------------",
"Peering and contact info is available on:",
"https://as51519.net",
"https://www.peeringdb.com/asn/51519",
"31173 Service AB",
"HE.net",
"Sweplox (Albin Hakansson)",
"Peers",
"Transit Cust"
]
}
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/51519",
"rel": "rdap-up",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS51519",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/51519",
"rel": "rdap-up rdap-active",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-up/AS51519?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/51519",
"rel": "rdap-down",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-down/AS51519",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/51519",
"rel": "rdap-top",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS51519",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/51519",
"rel": "rdap-top rdap-active",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-top/AS51519?status=active",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/51519",
"rel": "rdap-bottom",
"href": "https://rdap.db.ripe.net/autnums/rirSearch1/rdap-bottom/AS51519",
"type": "application/rdap+json"
},
{
"value": "https://rdap.db.ripe.net/autnum/51519",
"rel": "self",
"href": "https://rdap.db.ripe.net/autnum/51519",
"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": "2021-10-29T08:31:47Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-02-28T16:30:22Z"
}
],
"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/51519",
"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/51519",
"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": "$.entities[?(@.handle=='KN3157-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='ORG-BA1235-RIPE')].vcardArray[1][?(@[0]=='e-mail')]",
"method": "removal"
},
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
"prePath": "$.entities[?(@.handle=='AR54198-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.
