Organization
Limestone Networks, Inc.
LIMESTONE-NETWORKS-CGNT-NET-10
Location
Shibuya City
Tokyo, Japan (JP)
Hostname
0-251-45-154.static.reverse.lstn.net
Geolocation
Japan (JP) Japan
- Country
- Japan (JP)
- Region
- Tokyo
- City
- Shibuya City
- Continent
- Asia
- Coordinates
- 35.6764, 139.65 View on map ↗
Network Information
IP Range 154.45.251.0 – 154.45.251.255 CIDR 154.45.251.0/24 Network Name LIMESTONE-NETWORKS-CGNT-NET-10 Handle NET-154-45-251-0-1 Type ALLOCATION Parent Network NET-154-45-0-0-1 Organization Limestone Networks, Inc. Organization ID LIMES-2 Address 400 S. Akard Street, Suite 200, Dallas, TX, 75202, United States Country United States (US) Registry ARIN Registered On Jul 23, 2025 Last Updated Jul 23, 2025 Status
active
ASN & Routing
Origin AS AS46475 AS Name LIMESTONENETWORKS - Limestone Networks, Inc., US Announced Prefix 154.45.251.0/24 AS Registry ARIN Prefix Country United States (US) Allocated 1992-02-05 RPKI Origin Not found (no ROA covers this prefix)
Reverse DNS
PTR Record
Abuse Contact
Raw RDAP Response
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "154.45.251.0",
"length": 24
}
],
"endAddress": "154.45.251.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-18T14:07:07-04:00"
},
{
"eventAction": "registration",
"eventDate": "2007-10-09T13:44:44-04:00"
}
],
"handle": "NOC2791-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NOC2791-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/154.45.251.0"
},
{
"href": "https://whois.arin.net/rest/poc/NOC2791-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/154.45.251.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://www.limestonenetworks.com"
],
"title": "Registration Comments"
}
],
"roles": [
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "400 S. Akard Street\r\nSuite 200\nDallas\nTX\n75202\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Operations Center"
],
[
"org",
{},
"text",
"Limestone Networks, Inc."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-214-586-0555"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-214-242-3600"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-18T14:07:16-04:00"
},
{
"eventAction": "registration",
"eventDate": "2007-12-03T17:24:40-05:00"
}
],
"handle": "ABUSE1804-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE1804-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/154.45.251.0"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE1804-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/154.45.251.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://www.limestonenetworks.com"
],
"title": "Registration Comments"
}
],
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "400 S. Akard Street\r\nSuite 200\nDallas\nTX\n75202\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Abuse"
],
[
"org",
{},
"text",
"Limestone Networks, Inc."
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-214-586-0555"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-214-242-3600"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-25T11:09:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "2007-12-04T09:06:23-05:00"
}
],
"handle": "LIMES-2",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/LIMES-2",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/154.45.251.0"
},
{
"href": "https://whois.arin.net/rest/org/LIMES-2",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/154.45.251.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://limestonenetworks.com/"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Limestone Networks, Inc."
],
[
"adr",
{
"label": "400 S. Akard Street\nSuite 200\nDallas\nTX\n75202\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-07-23T12:40:36-04:00"
},
{
"eventAction": "registration",
"eventDate": "2025-07-23T12:40:36-04:00"
}
],
"handle": "NET-154-45-251-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/154.45.251.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/154.45.251.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-154-45-251-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/154.45.251.0"
},
{
"href": "https://rdap.arin.net/registry/ip/154.45.0.0/16",
"rel": "up",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/154.45.251.0"
}
],
"name": "LIMESTONE-NETWORKS-CGNT-NET-10",
"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/154.45.251.0"
}
],
"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/154.45.251.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-154-45-0-0-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"Geofeed https://geofeed.limestonenetworks.com/geofeed.csv"
],
"title": "Registration Comments"
}
],
"startAddress": "154.45.251.0",
"status": [
"active"
],
"type": "ALLOCATION"
} Contact details of private individuals are redacted.