149.72.0.34
Hosting
Data retrieved at
Network
ASN
IP Range
Company
Amazon.com, Inc.
Registrant
SendGrid, Inc.
SENDGRID-149-72-0-0-16
Using networksdb.io for network lookups.
Hostname
Not available.
AS Domain
amazon.com
Using host.io for pre-visualize domains.
Type
Hosting
Handle
NET-149-72-0-0-1
Registered
2017-09-05
Last Changed
2023-04-18
View raw RDAP
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "149.72.0.0",
"length": 16
}
],
"endAddress": "149.72.255.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-06T14:38:26-05:00"
},
{
"eventAction": "registration",
"eventDate": "2019-04-17T17:55:32-04:00"
}
],
"handle": "TSNO-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TSNO-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/149.72.0.34"
},
{
"href": "https://whois.arin.net/rest/poc/TSNO-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/149.72.0.34"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1801 California Street\nSuite 500\nDenver\nCO\n80202\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Twilio SendGrid Network Operations"
],
[
"org",
{},
"text",
"Twilio SendGrid"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-888-985-7363"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-05T16:53:33-04:00"
},
{
"eventAction": "registration",
"eventDate": "2011-06-22T17:22:31-04:00"
}
],
"handle": "ABUSE3074-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE3074-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/149.72.0.34"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE3074-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/149.72.0.34"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"Abuse desk is available M-F 7a-7p Mountain Time"
],
"title": "Registration Comments"
}
],
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1800 California Street\nSuite 500\nDenver\nCO\n80202\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Abuse Desk"
],
[
"org",
{},
"text",
"Twilio SendGrid"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-888-985-7363"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-14T16:52:10-04:00"
},
{
"eventAction": "registration",
"eventDate": "2021-11-18T12:53:31-05:00"
}
],
"handle": "TALSM-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TALSM-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/149.72.0.34"
},
{
"href": "https://whois.arin.net/rest/poc/TALSM-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/149.72.0.34"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "101 Spear St 5th floor\nSan Francisco\nCA\n94105\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Jack Talsma"
],
[
"n",
{},
"text",
[
"Talsma",
"Jack",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-415-390-2337"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-06-12T17:11:56-04:00"
},
{
"eventAction": "registration",
"eventDate": "2012-06-14T06:44:26-04:00"
}
],
"handle": "SENDG-12",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SENDG-12",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/149.72.0.34"
},
{
"href": "https://whois.arin.net/rest/org/SENDG-12",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/149.72.0.34"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"http://www.sendgrid.com\r",
"\r",
"(888) 985-8363\r",
"Support hours: M-F, 7a-7p Mountain Time."
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"SendGrid, Inc."
],
[
"adr",
{
"label": "Twilio, Inc.\n1801 California Street\nSuite 500\nDenver\nCO\n80202\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-04-18T09:36:51-04:00"
},
{
"eventAction": "registration",
"eventDate": "2017-09-05T13:05:12-04:00"
}
],
"handle": "NET-149-72-0-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/149.72.0.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/149.72.0.34"
},
{
"href": "https://whois.arin.net/rest/net/NET-149-72-0-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/149.72.0.34"
}
],
"name": "SENDGRID-149-72-0-0-16",
"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/149.72.0.34"
}
],
"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/149.72.0.34"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-149-0-0-0-0",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"-----BEGIN CERTIFICATE-----MIICqjCCAZICCQDhy9sj6vfsITANBgkqhkiG9w0BAQsFADAXMRUwEwYDVQQDDAxzZW5kZ3JpZC5uZXQwHhcNMjMwNDE4MTMzMzE4WhcNMjQwNDE3MTMzMzE4WjAXMRUwEwYDVQQDDAxzZW5kZ3JpZC5uZXQwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCtGUyzM6DYu3qWkA/6sQ6c3hqN6TBxb8momQXSRN+OLWQf1pDQ5AShxHMMr4wbwPZH6TM+ZeWD5tqS9gJ5t/ZaRBLMuoNQGmZVMNbBST/Ip0sUOVjUZlMX8nTuZkrB/4QdVZzyPQbvIBVArHZ8tFz+fPifvRaU7bv735nWXTaCdsWqyqalc8hriFm2cffkU/5iqbxbG5E0XHRVBpdU+OH2jz8N0tGv9UXS2rZnavsdw0ijatvArqP4yyCWu6A9rsm+WUPofWURD3bd4G9l+s9s4/sQnnUg9l43ge9DzXOONI2kwlGCyvrWrV8ehBZqdLlyUHVIejxxwvjbomwk9bexAgMBAAEwDQYJKoZIhvcNAQELBQADggEBAI/rX7FEJoh2AjmbBPvEOlRc7qcFLMUwFJMOLTxe/ba7R7ca/kfDTcC6E1EMeMcLK5KzQqj5OxJqXtoP95TB3ZTcegejNZgu991e32qkrh69LzWlFI04kR+siHFYPhtoaoHfqPGlP2U9Pv9rUWLjf4Am3+Vwh2w31zsJ1L2ntOArpzhHEr78ra27+l23+v0jyZt8+jl0/xv0tMHQ66GFGRTRO/mk7orOSGVJQ4U639GJym4cMDML+ETrN7pKvmA5Lhjn+cv29oUBiTP9Jrg2sP0VuI434ctYC6CX2NCcYfP419MUrOTkM0Md2vj65n6k/pr1DgnOeHbt1ehsVzONt8w=-----END CERTIFICATE-----"
],
"title": "Registration Comments"
}
],
"startAddress": "149.72.0.0",
"status": [
"active"
],
"type": "DIRECT ALLOCATION"
}
Security
Hosting
Detected
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).
Valid.
This prefix is correctly authorized by a valid ROA.
VALID
Validated Prefix
149.72.0.0/24
Authorized ASN
AS14618, AS16509
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 $)