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Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
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AS54450
MBLOX-US - MBLOX INC. Announcing routesAS nameMBLOX-US
OrganisationMBLOX INC.
Registry (RIR)ARIN
HandleAS54450
RangeAS54450
Registered23 Feb 2012
Last changed30 Jan 2025
Abuse contact[email protected]
1IPv4 prefixes
0IPv6 prefixes
2Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS174 | COGENT-174 - Cogent Communications, LLC | 215 |
| AS54588 | EQUINIX-EC-SV - Equinix, Inc. | 37 |
Downstreams
None seen.
IPv4 prefixes (1)
RPKI-validate all prefixes of AS54450
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | MBLOX INC. | MBLOX-1 | 3500 Lenox Road NE, Suite 1875, Atlanta, GA, 30326, United States | |
| technical | Debalina Ghosh | GHOSH10-ARIN | [email protected], +46735817365 | Lindhagensgatan 112, stockholm, , 112 51, Sweden |
| administrative | Jeff Clark | CLARK1786-ARIN | [email protected], +1-470-300-8394 | 3500 Lenox Rd North, Ste 1500, Atlanta, GA, 30326, United States |
| technical, routing, dns, abuse | Markus Waizenegger | WAIZE-ARIN | [email protected], +498920172723 | Lindhagensgatan 112, Stockholm, , 11251, Sweden |
| technical | Merlin Koumtouzoua | KOUMT-ARIN | [email protected], +1-470-300-8394 | 3500 Lenox Rd NE Ste 1875, Atlanta, GA, 30326, United States |
| technical | Naresh Naresh Bezawada | NNB1-ARIN | [email protected], +1-408-802-9472 | 6665 Tulip Garden Way, Alpharetta, GA, 30004-0525, United States |
| technical | IPASNREGISTRY | IPASN-ARIN | [email protected], +1-470-300-8394 | 3500 Lenox Road NE, Suite 1875, Atlanta, GA, 30326, United States |
| technical | Debalina Ghosh | GHOSH10-ARIN | [email protected], +46735817365 | Lindhagensgatan 112, stockholm, , 112 51, Sweden |
| technical | Markus Waizenegger | WAIZE-ARIN | [email protected], +498920172723 | Lindhagensgatan 112, Stockholm, , 11251, Sweden |
| technical | Merlin Koumtouzoua | KOUMT-ARIN | [email protected], +1-470-300-8394 | 3500 Lenox Rd NE Ste 1875, Atlanta, GA, 30326, United States |
Raw registry response
{
"endAutnum": 54450,
"entities": [
{
"entities": [
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"eventAction": "last changed",
"eventDate": "2024-05-21T03:48:51-04:00"
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{
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"eventDate": "2024-05-21T03:48:51-04:00"
}
],
"handle": "GHOSH10-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GHOSH10-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/54450"
},
{
"href": "https://whois.arin.net/rest/poc/GHOSH10-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-05-20"
],
"title": "Unvalidated POC"
}
],
"roles": [
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],
"vcardArray": [
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},
{
"events": [
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},
{
"eventAction": "registration",
"eventDate": "2024-02-29T11:41:35-05:00"
}
],
"handle": "CLARK1786-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CLARK1786-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/54450"
},
{
"href": "https://whois.arin.net/rest/poc/CLARK1786-ARIN",
"rel": "alternate",
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"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"objectClassName": "entity",
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"roles": [
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],
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},
"text",
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[
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{
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]
},
"text",
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},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-07-23T05:26:39-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-05-22T04:13:38-04:00"
}
],
"handle": "WAIZE-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/WAIZE-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/54450"
},
{
"href": "https://whois.arin.net/rest/poc/WAIZE-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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"routing",
"dns",
"abuse"
],
"status": [
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],
"vcardArray": [
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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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]
},
"text",
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]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-05-04T10:21:46-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-05-21T15:38:52-04:00"
}
],
"handle": "KOUMT-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KOUMT-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/54450"
},
{
"href": "https://whois.arin.net/rest/poc/KOUMT-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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],
"status": [
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],
"vcardArray": [
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[
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],
[
"adr",
{
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},
"text",
[
"",
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]
],
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"fn",
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]
],
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},
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],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-05-22T07:43:02-04:00"
},
{
"eventAction": "registration",
"eventDate": "2008-06-28T04:04:37-04:00"
}
],
"handle": "MBLOX-1",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MBLOX-1",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/54450"
},
{
"href": "https://whois.arin.net/rest/org/MBLOX-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
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],
"vcardArray": [
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[
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],
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"fn",
[],
"text",
"MBLOX INC."
],
[
"adr",
{
"label": "3500 Lenox Road NE\nSuite 1875\nAtlanta\nGA\n30326\nUnited States"
},
"text",
[
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[
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"text",
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]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-04-26T13:38:14-04:00"
},
{
"eventAction": "registration",
"eventDate": "2021-07-14T15:21:13-04:00"
}
],
"handle": "NNB1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NNB1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/54450"
},
{
"href": "https://whois.arin.net/rest/poc/NNB1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-04-26"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "6665 Tulip Garden Way\nAlpharetta\nGA\n30004-0525\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Naresh Naresh Bezawada"
],
[
"n",
[],
"text",
[
"Bezawada",
"Naresh",
"Naresh",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-408-802-9472"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-30T11:54:40-04:00"
},
{
"eventAction": "registration",
"eventDate": "2021-06-21T13:47:40-04:00"
}
],
"handle": "IPASN-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/IPASN-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/54450"
},
{
"href": "https://whois.arin.net/rest/poc/IPASN-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "3500 Lenox Road NE\nSuite 1875\nAtlanta\nGA\n30326\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"IPASNREGISTRY"
],
[
"org",
[],
"text",
"Sinch America Inc."
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-470-300-8394"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-05-21T03:48:51-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-05-21T03:48:51-04:00"
}
],
"handle": "GHOSH10-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/GHOSH10-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/54450"
},
{
"href": "https://whois.arin.net/rest/poc/GHOSH10-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2025-05-20"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Lindhagensgatan 112\nstockholm\n\n112 51\nSweden"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Debalina Ghosh"
],
[
"n",
[],
"text",
[
"Ghosh",
"Debalina",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+46735817365"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-07-23T05:26:39-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-05-22T04:13:38-04:00"
}
],
"handle": "WAIZE-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/WAIZE-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/54450"
},
{
"href": "https://whois.arin.net/rest/poc/WAIZE-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Lindhagensgatan 112\nStockholm\n\n11251\nSweden"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Markus Waizenegger"
],
[
"n",
[],
"text",
[
"Waizenegger",
"Markus",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+498920172723"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-05-04T10:21:46-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-05-21T15:38:52-04:00"
}
],
"handle": "KOUMT-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KOUMT-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/54450"
},
{
"href": "https://whois.arin.net/rest/poc/KOUMT-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "3500 Lenox Rd NE Ste 1875\nAtlanta\nGA\n30326\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Merlin Koumtouzoua"
],
[
"n",
[],
"text",
[
"Koumtouzoua",
"Merlin",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-470-300-8394"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-01-29T14:38:37-05:00"
},
{
"eventAction": "registration",
"eventDate": "2012-02-23T10:52:03-05:00"
}
],
"handle": "AS54450",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/54450",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/54450"
},
{
"href": "https://whois.arin.net/rest/asn/AS54450",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"name": "MBLOX-US",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/autnum/54450"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"remarks": [
{
"description": [
"http://www.mblox.com\r",
"NOC 24/7: +1 408 617 3786"
],
"title": "Registration Comments"
}
],
"startAutnum": 54450,
"status": [
"active"
]
}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.