Organization
University System of Maryland
COMBNET
Location
Hyattsville
Maryland, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- Maryland
- City
- Hyattsville
- Continent
- North America
- Coordinates
- 39.0048, -76.9541 View on map ↗
Network Information
IP Range 136.160.0.0 – 136.160.255.255 CIDR 136.160.0.0/16 Network Name COMBNET Handle NET-136-160-0-0-1 Type DIRECT ALLOCATION Parent Network NET-136-0-0-0-0 Organization University System of Maryland Organization ID UNIVER-270-Z Address System Administration, 3300 Metzerott Road, Adelphi, MD, 20783, United States Country United States (US) Registry ARIN Registered On Sep 19, 1989 Last Updated Dec 11, 2023 Status
active
ASN & Routing
Origin AS AS11131 AS Name UMBC-AS - University of Maryland Baltimore County (UMBC), US Announced Prefix 136.160.0.0/18 AS Registry ARIN Prefix Country United States (US) Allocated 1989-09-19 RPKI Origin Not found (no ROA covers this prefix)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Raw RDAP Response
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "136.160.0.0",
"length": 16
}
],
"endAddress": "136.160.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-12-21T16:06:39-05:00"
},
{
"eventAction": "registration",
"eventDate": "2009-08-20T11:01:37-04:00"
}
],
"handle": "MWG1-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MWG1-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.160.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/MWG1-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.160.0.0"
}
],
"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 2024-12-20"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-04-10T09:15:37-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-04-11T11:28:15-04:00"
}
],
"handle": "WALDR141-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/WALDR141-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.160.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/WALDR141-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.160.0.0"
}
],
"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": "2026-04-21T11:24:19-04:00"
},
{
"eventAction": "registration",
"eventDate": "1995-09-28T15:43:11-04:00"
}
],
"handle": "NM162-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NM162-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.160.0.0"
},
{
"href": "https://whois.arin.net/rest/poc/NM162-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.160.0.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "University of Maryland System Administration\n3300 Metzerott Road\nAdelphi\nMD\n20783\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Norwin Malmberg"
],
[
"n",
{},
"text",
[
"Malmberg",
"Norwin",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-301-445-2758"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-11-20T17:42:57-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-10-31T14:43:04-04:00"
}
],
"handle": "UNIVER-270-Z",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/UNIVER-270-Z",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.160.0.0"
},
{
"href": "https://whois.arin.net/rest/org/UNIVER-270-Z",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.160.0.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"University System of Maryland"
],
[
"adr",
{
"label": "System Administration\n3300 Metzerott Road\nAdelphi\nMD\n20783\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-12-11T11:29:42-05:00"
},
{
"eventAction": "registration",
"eventDate": "1989-09-19T00:00:00-04:00"
}
],
"handle": "NET-136-160-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/136.160.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.160.0.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-136-160-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.160.0.0"
}
],
"name": "COMBNET",
"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/136.160.0.0"
}
],
"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/136.160.0.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-136-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "136.160.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.