149.72.61.106

  • Reverse DNS confirmed
  • Not on blocklists
Network
SENDGRID-149-72-0-0-16
Held by
SendGrid, Inc.
Range
149.72.0.0 - 149.72.255.255
CIDR
149.72.0.0/16
Type
DIRECT ALLOCATION
Registered on
Last updated
Status
  • active
Report abuse to
abuse@sendgrid.com
Checked

Reverse DNS

Names
Forward check
Confirmedo1.ptr5628.useworkshop.com resolves to 149.72.61.106

Network

Announced by
AS11377 SendGrid, Inc.
Route
149.72.32.0/19, carried by 2,516 of bgp.tools' BGP feeds
Country
US
Tagged
Anycast

Upstreams and peers

  • AS6461 Zayo Bandwidth254 paths
  • AS3356 Lumen (Level 3)245 paths
  • AS701 Verizon Business195 paths
  • AS1299 Arelion (fka. Telia Carrier)124 paths
  • AS2914 NTT America, Inc.74 paths
  • AS6939 Hurricane Electric LLC32 paths
  • AS8220 COLT6 paths
  • AS6057 Administracion Nacional de Telecomunicaciones2 paths
  • AS13786 Seaborn (Seabras USA, LLC)2 paths
  • AS37468 Angola Cables2 paths
  • AS7195 EdgeUno1 path
  • AS60171 AFR-IX TELECOM S.A.1 path

And 1 more

Downstreams

  • None seen

As the route collectors of RIPEstat see them

Location

Map © OpenStreetMap contributors
Location
United States
Accuracy
Within 1,000 km

Location from GeoLite2 data created by MaxMind

Blocklists

  • Spamhaus ZEN Not listed
  • SpamCop Not listed
  • Mailspike Not listed
  • PSBL Not listed

Abuse reports

Reports
None in the last year
Used for
Data Center/Web Hosting/Transit
Provider
SendGrid, Inc.

From AbuseIPDB

WHOIS

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


NetRange:       149.72.0.0 - 149.72.255.255
CIDR:           149.72.0.0/16
NetName:        SENDGRID-149-72-0-0-16
NetHandle:      NET-149-72-0-0-1
Parent:         NET149 (NET-149-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   SendGrid, Inc. (SENDG-12)
RegDate:        2017-09-05
Updated:        2023-04-18
Comment:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
Ref:            https://rdap.arin.net/registry/ip/149.72.0.0


OrgName:        SendGrid, Inc.
OrgId:          SENDG-12
Address:        Twilio, Inc.
Address:        1801 California Street
Address:        Suite 500
City:           Denver
StateProv:      CO
PostalCode:     80202
Country:        US
RegDate:        2012-06-14
Updated:        2025-06-12
Comment:        http://www.sendgrid.com
Comment:        
Comment:        (888) 985-8363
Comment:        Support hours: M-F, 7a-7p Mountain Time.
Ref:            https://rdap.arin.net/registry/entity/SENDG-12


OrgAbuseHandle: ABUSE3074-ARIN
OrgAbuseName:   Abuse Desk
OrgAbusePhone:  +1-888-985-7363 
OrgAbuseEmail:  abuse@sendgrid.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE3074-ARIN

OrgTechHandle: TALSM-ARIN
OrgTechName:   Talsma, Jack 
OrgTechPhone:  +1-415-390-2337 
OrgTechEmail:  netops+arin@sendgrid.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TALSM-ARIN

OrgTechHandle: TSNO-ARIN
OrgTechName:   Twilio SendGrid Network Operations
OrgTechPhone:  +1-888-985-7363 
OrgTechEmail:  netops+arin@sendgrid.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TSNO-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

RDAP

From https://rdap.arin.net/registry/ip/149.72.61.106

Show the RDAP record
{
  "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/149.72.61.106"
            },
            {
              "href": "https://whois.arin.net/rest/poc/TSNO-ARIN",
              "rel": "alternate",
              "type": "application/xml",
              "value": "https://rdap.arin.net/registry/ip/149.72.61.106"
            }
          ],
          "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",
                "netops+arin@sendgrid.com"
              ],
              [
                "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/149.72.61.106"
            },
            {
              "href": "https://whois.arin.net/rest/poc/ABUSE3074-ARIN",
              "rel": "alternate",
              "type": "application/xml",
              "value": "https://rdap.arin.net/registry/ip/149.72.61.106"
            }
          ],
          "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",
                "abuse@sendgrid.com"
              ],
              [
                "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/149.72.61.106"
            },
            {
              "href": "https://whois.arin.net/rest/poc/TALSM-ARIN",
              "rel": "alternate",
              "type": "application/xml",
              "value": "https://rdap.arin.net/registry/ip/149.72.61.106"
            }
          ],
          "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",
                "netops+arin@sendgrid.com"
              ],
              [
                "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/149.72.61.106"
        },
        {
          "href": "https://whois.arin.net/rest/org/SENDG-12",
          "rel": "alternate",
          "type": "application/xml",
          "value": "https://rdap.arin.net/registry/ip/149.72.61.106"
        }
      ],
      "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/149.72.61.106"
    },
    {
      "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/149.72.61.106"
    }
  ],
  "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/149.72.61.106"
        }
      ],
      "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/149.72.61.106"
        }
      ],
      "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-----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-----END CERTIFICATE-----"
      ],
      "title": "Registration Comments"
    }
  ],
  "startAddress": "149.72.0.0",
  "status": [
    "active"
  ],
  "type": "DIRECT ALLOCATION"
}