151.154.0.19
ISP
Data retrieved at
Network
ASN
IP Range
Company
Sargent & Lundy Engineers
Network
SLCHICAGO
Using networksdb.io for network lookups.
Hostname
host.sargentlundy.com
AS Domain
sargentlundy.com
Using host.io for pre-visualize domains.
Type
ISP
Handle
NET-151-154-0-0-1
Registered
1991-07-30
Last Changed
2021-12-14
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "151.154.0.0",
"length": 16
}
],
"endAddress": "151.154.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-28T15:45:19-05:00"
},
{
"eventAction": "registration",
"eventDate": "2025-12-28T15:45:19-05:00"
}
],
"handle": "CHOUI16-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CHOUI16-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/151.154.0.19"
},
{
"href": "https://whois.arin.net/rest/poc/CHOUI16-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/151.154.0.19"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"routing",
"technical",
"abuse",
"dns"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "55 E. Monroe St.\nChicago\nIL\n60603\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Mohammed Chouikh"
],
[
"n",
{},
"text",
[
"Chouikh",
"Mohammed",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-312-269-6379"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-13T11:31:43-05:00"
},
{
"eventAction": "registration",
"eventDate": "1996-12-06T08:09:28-05:00"
}
],
"handle": "CB2411-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CB2411-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/151.154.0.19"
},
{
"href": "https://whois.arin.net/rest/poc/CB2411-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/151.154.0.19"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"dns",
"technical",
"abuse",
"routing"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "55 E. Monroe St.\nChicago\nIL\n60603\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Christine Berns"
],
[
"n",
{},
"text",
[
"Berns",
"Christine",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-312-269-3598"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-28T15:49:37-05:00"
},
{
"eventAction": "registration",
"eventDate": "1991-07-30T00:00:00-04:00"
}
],
"handle": "SLE-1",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SLE-1",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/151.154.0.19"
},
{
"href": "https://whois.arin.net/rest/org/SLE-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/151.154.0.19"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Sargent & Lundy Engineers"
],
[
"adr",
{
"label": "55 E. Monroe Street\nChicago\nIL\n60603\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-13T11:31:43-05:00"
},
{
"eventAction": "registration",
"eventDate": "1996-12-06T08:09:28-05:00"
}
],
"handle": "CB2411-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CB2411-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/151.154.0.19"
},
{
"href": "https://whois.arin.net/rest/poc/CB2411-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/151.154.0.19"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "55 E. Monroe St.\nChicago\nIL\n60603\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Christine Berns"
],
[
"n",
{},
"text",
[
"Berns",
"Christine",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-312-269-3598"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2021-12-14T20:28:41-05:00"
},
{
"eventAction": "registration",
"eventDate": "1991-07-30T00:00:00-04:00"
}
],
"handle": "NET-151-154-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/151.154.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/151.154.0.19"
},
{
"href": "https://whois.arin.net/rest/net/NET-151-154-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/151.154.0.19"
}
],
"name": "SLCHICAGO",
"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/151.154.0.19"
}
],
"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/151.154.0.19"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-151-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "151.154.0.0",
"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
151.154.0.0/16
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
United States
City
Oak Park (📍 60302)
Illinois
Time Zone
America/Chicago
Coordinates
41.8907, -87.7908
Continent
North America
European Union
No.
Phone prefix
+1
Currency
US Dollar (USD $)