136.253.0.43
ISP
Data retrieved at
Network
ASN
IP Range
136.249.0.0 – 136.254.255.255
Company
Schlumberger Limited
Network
SLB-WESTERNGECO-GLOBAL-DP-MARINE-LAND-NET
Using networksdb.io for network lookups.
Hostname
host.slb.com
Type
ISP
Handle
NET-136-249-0-0-1
Registered
1989-05-15
Last Changed
2012-03-02
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "136.249.0.0",
"length": 16
},
{
"v4prefix": "136.250.0.0",
"length": 15
},
{
"v4prefix": "136.252.0.0",
"length": 15
},
{
"v4prefix": "136.254.0.0",
"length": 16
}
],
"endAddress": "136.254.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-24T09:57:10-04:00"
},
{
"eventAction": "registration",
"eventDate": "2005-02-16T15:58:19-05:00"
}
],
"handle": "SISO-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SISO-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
},
{
"href": "https://whois.arin.net/rest/poc/SISO-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "5599 San Felipe\r\nSuite 400\nHouston\nTX\n77056\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Schlumberger IT Security Operations"
],
[
"org",
{},
"text",
"Schlumberger"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-713-513-1100"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-713-513-3150"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-09T09:34:11-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-02-16T15:58:19-05:00"
}
],
"handle": "SHEWD-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SHEWD-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
},
{
"href": "https://whois.arin.net/rest/poc/SHEWD-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "5599 San Felipe\nSuite 100\nHouston\nTX\n77056\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Schlumberger Houston EMC WAN Desk"
],
[
"org",
{},
"text",
"Schlumberger"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-713-513-1928"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-713-513-2028"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-24T09:57:19-04:00"
},
{
"eventAction": "registration",
"eventDate": "2001-02-07T11:03:42-05:00"
}
],
"handle": "ZS104-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZS104-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
},
{
"href": "https://whois.arin.net/rest/poc/ZS104-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "5599 San Felipe\r\nSuite 100\nHouston\nTX\n77056\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Schlumberger IP Address Coordinator"
],
[
"org",
{},
"text",
"Schlumberger"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-713-513-1100"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-713-513-3150"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-25T11:09:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-02-16T15:58:19-05:00"
}
],
"handle": "SCHLU-3",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SCHLU-3",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
},
{
"href": "https://whois.arin.net/rest/org/SCHLU-3",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Schlumberger Limited"
],
[
"adr",
{
"label": "5599 San Felipe\r\nSuite 1700\nHouston\nTX\n77056\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-24T09:57:10-04:00"
},
{
"eventAction": "registration",
"eventDate": "2005-02-16T15:58:19-05:00"
}
],
"handle": "SISO-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SISO-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
},
{
"href": "https://whois.arin.net/rest/poc/SISO-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "5599 San Felipe\r\nSuite 400\nHouston\nTX\n77056\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Schlumberger IT Security Operations"
],
[
"org",
{},
"text",
"Schlumberger"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-713-513-1100"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-713-513-3150"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-09T09:34:11-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-02-16T15:58:19-05:00"
}
],
"handle": "SHEWD-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SHEWD-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
},
{
"href": "https://whois.arin.net/rest/poc/SHEWD-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "5599 San Felipe\nSuite 100\nHouston\nTX\n77056\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Schlumberger Houston EMC WAN Desk"
],
[
"org",
{},
"text",
"Schlumberger"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-713-513-1928"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-713-513-2028"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-24T09:57:19-04:00"
},
{
"eventAction": "registration",
"eventDate": "2001-02-07T11:03:42-05:00"
}
],
"handle": "ZS104-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZS104-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
},
{
"href": "https://whois.arin.net/rest/poc/ZS104-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "5599 San Felipe\r\nSuite 100\nHouston\nTX\n77056\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Schlumberger IP Address Coordinator"
],
[
"org",
{},
"text",
"Schlumberger"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-713-513-1100"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-713-513-3150"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2012-03-02T08:03:18-05:00"
},
{
"eventAction": "registration",
"eventDate": "1989-05-15T00:00:00-04:00"
}
],
"handle": "NET-136-249-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/136.249.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
},
{
"href": "https://whois.arin.net/rest/net/NET-136-249-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/136.253.0.43"
}
],
"name": "SLB-WESTERNGECO-GLOBAL-DP-MARINE-LAND-NET",
"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/136.253.0.43"
}
],
"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/136.253.0.43"
}
],
"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": "136.249.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}
Security
No security threats detected for this IP.
VPN
Proxy
Tor
Hosting
Residential Proxy
Bogon
Abuser
Crawler
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Unknown.
No valid ROA was found for this prefix.
UNKNOWN
Validated Prefix
136.253.0.0/16
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United States
Time Zone
America/Chicago
Coordinates
37.751, -97.822
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)