Organization
University of Maryland Baltimore County (UMBC)
UMBC-EDU
Location
Baltimore
Maryland, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- Maryland
- City
- Baltimore
- Continent
- North America
- Coordinates
- 39.2553, -76.7154 View on map ↗
Network Information
IP Range 2620:0:5300:: – 2620:0:530f:ffff:ffff:ffff:ffff:ffff CIDR 2620:0:5300::/44 Network Name UMBC-EDU Handle NET6-2620-5300-1 Type DIRECT ALLOCATION Parent Network NET6-2620-1 Organization University of Maryland Baltimore County (UMBC) Organization ID UMBCU Address 1000 Hilltop Circle, Baltimore, MD, 21250, United States Country United States (US) Registry ARIN Registered On Aug 06, 2010 Last Updated Dec 15, 2021 Status
active
ASN & Routing
Origin AS AS11131 AS Name UMBC-AS - University of Maryland Baltimore County (UMBC), US Announced Prefix 2620:0:5300::/44 AS Registry ARIN Prefix Country United States (US) Allocated 2010-08-06 RPKI Origin Valid (covered by a matching ROA)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Raw RDAP Response
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v6prefix": "2620:0:5300::",
"length": 44
}
],
"endAddress": "2620:0:530f:ffff:ffff:ffff:ffff:ffff",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-03T10:36:21-05:00"
},
{
"eventAction": "registration",
"eventDate": "2022-02-25T10:48:43-05:00"
}
],
"handle": "PETRY11-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PETRY11-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
},
{
"href": "https://whois.arin.net/rest/poc/PETRY11-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"routing",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-21T08:46:09-04:00"
},
{
"eventAction": "registration",
"eventDate": "2019-04-16T08:40:36-04:00"
}
],
"handle": "SOELL-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SOELL-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
},
{
"href": "https://whois.arin.net/rest/poc/SOELL-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1000 Hilltop Circle\nEngineering 125\nBaltimore\nMD\n21250\nUnited States"
},
"text",
[
"",
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"",
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""
]
],
[
"fn",
{},
"text",
"Ray Soellner"
],
[
"n",
{},
"text",
[
"Soellner",
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"",
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""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-410-455-3256"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-29T09:47:51-05:00"
},
{
"eventAction": "registration",
"eventDate": "1988-08-08T15:41:04-04:00"
}
],
"handle": "JJS41-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JJS41-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
},
{
"href": "https://whois.arin.net/rest/poc/JJS41-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-20T09:14:27-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-01-11T12:10:37-05:00"
}
],
"handle": "WHOIS10-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/WHOIS10-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
},
{
"href": "https://whois.arin.net/rest/poc/WHOIS10-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"dns"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1000 Hilltop Circle\nBaltimore\nMD\n21250\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"WhoIs Technical"
],
[
"org",
{},
"text",
"UMBC"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-410-455-3256"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-02T16:17:37-05:00"
},
{
"eventAction": "registration",
"eventDate": "1998-04-20T00:00:00-04:00"
}
],
"handle": "UMBCU",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UMBCU",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
},
{
"href": "https://whois.arin.net/rest/org/UMBCU",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"For Security Complaints Contact [email protected]"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"University of Maryland Baltimore County (UMBC)"
],
[
"adr",
{
"label": "1000 Hilltop Circle\nBaltimore\nMD\n21250\nUnited States"
},
"text",
[
"",
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""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-21T08:46:09-04:00"
},
{
"eventAction": "registration",
"eventDate": "2019-04-16T08:40:36-04:00"
}
],
"handle": "SOELL-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SOELL-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
},
{
"href": "https://whois.arin.net/rest/poc/SOELL-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:47-05:00"
},
{
"eventAction": "registration",
"eventDate": "2010-08-06T18:00:10-04:00"
}
],
"handle": "NET6-2620-5300-1",
"ipVersion": "v6",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/2620:0:5300::",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
},
{
"href": "https://whois.arin.net/rest/net/NET6-2620-5300-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/2620:0:5300::"
}
],
"name": "UMBC-EDU",
"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/ip/2620:0:5300::"
}
],
"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/ip/2620:0:5300::"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET6-2620-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "2620:0:5300::",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.