Organization
Black Mesa Corporation
NET-NATO-3
Location
San Francisco
California, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- California
- City
- San Francisco
- Continent
- North America
- Coordinates
- 37.7749, -122.419 View on map ↗
Network Information
IP Range 23.247.136.0 – 23.247.139.255 CIDR 23.247.136.0/22 Network Name NET-NATO-3 Handle NET-23-247-136-0-1 Type DIRECT ALLOCATION Parent Network NET-23-0-0-0-0 Organization Black Mesa Corporation Organization ID NRL-25 Address 720 University Ave, PO Box 35765, Syracuse, NY, 13235, United States Country United States (US) Registry ARIN Registered On Oct 05, 2021 Last Updated May 18, 2022 Status
active
ASN & Routing
Origin AS AS46997 AS Name NATOLAB - Black Mesa Corporation, US Announced Prefix 23.247.136.0/24 AS Registry ARIN Prefix Country United States (US) Allocated 2021-10-05 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": [
{
"v4prefix": "23.247.136.0",
"length": 22
}
],
"endAddress": "23.247.139.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-06-01T12:30:23-04:00"
},
{
"eventAction": "registration",
"eventDate": "2017-03-25T16:37:28-04:00"
}
],
"handle": "ZENGH-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZENGH-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/23.247.136.0"
},
{
"href": "https://whois.arin.net/rest/poc/ZENGH-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/23.247.136.0"
}
],
"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": "2025-06-01T12:30:12-04:00"
},
{
"eventAction": "registration",
"eventDate": "2017-04-27T17:15:43-04:00"
}
],
"handle": "NLN2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NLN2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/23.247.136.0"
},
{
"href": "https://whois.arin.net/rest/poc/NLN2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/23.247.136.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "720 University Ave\nPO Box 35765\nSyracuse\nNY\n13235\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Nato Laboratory Networking"
],
[
"org",
{},
"text",
"Nato Research Ltd."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-315-744-5708"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-03T05:19:03-05:00"
},
{
"eventAction": "registration",
"eventDate": "2024-11-03T05:19:03-05:00"
}
],
"handle": "LEETO56-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/LEETO56-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/23.247.136.0"
},
{
"href": "https://whois.arin.net/rest/poc/LEETO56-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/23.247.136.0"
}
],
"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 2025-11-02"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-04T04:17:25-05:00"
},
{
"eventAction": "registration",
"eventDate": "2017-04-24T14:53:57-04:00"
}
],
"handle": "NRL-25",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NRL-25",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/23.247.136.0"
},
{
"href": "https://whois.arin.net/rest/org/NRL-25",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/23.247.136.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++",
"+ Black Mesa Corporation",
"+ ",
"+ Black Mesa Corporation, a.k.a. Nato Internet Service is a",
"+ non-profit project for learning, education and research.",
"+",
"+ Our goal is to support the ever-growing internet community",
"+ that wants to experiment and gain hands-on experience with",
"+ the real world BGP.",
"+",
"+ Network Information:",
"+ https://internet.nat.moe",
"++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Black Mesa Corporation"
],
[
"adr",
{
"label": "720 University Ave\nPO Box 35765\nSyracuse\nNY\n13235\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-05-18T14:34:22-04:00"
},
{
"eventAction": "registration",
"eventDate": "2021-10-05T12:36:54-04:00"
}
],
"handle": "NET-23-247-136-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/23.247.136.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/23.247.136.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-23-247-136-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/23.247.136.0"
}
],
"name": "NET-NATO-3",
"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/23.247.136.0"
}
],
"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/23.247.136.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-23-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----"
],
"title": "Registration Comments"
}
],
"startAddress": "23.247.136.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
} Contact details of private individuals are redacted.