148.163.156.198

  • Reverse DNS confirmed
  • Not on blocklists
Network
PROOFPOINT-NET-NORTH-AMERICA
Held by
Proofpoint, Inc.
Range
148.163.128.0 - 148.163.159.255
CIDR
148.163.128.0/19
Type
DIRECT ALLOCATION
Registered on
Last updated
Status
  • active
Report abuse to
abuse@proofpoint.com
Checked

Reverse DNS

Names
Forward check
Confirmedmx0a-001ca501.pphosted.com resolves to 148.163.156.198

Network

Announced by
AS26211 Proofpoint, Inc.
Route
148.163.156.0/23, carried by 2,494 of bgp.tools' BGP feeds
Country
US

Upstreams and peers

  • AS174 Cogent Communications, LLC412 paths
  • AS21949 Beanfield Technologies Inc.279 paths
  • AS3356 Lumen (Level 3)246 paths
  • AS1299 Arelion (fka. Telia Carrier)207 paths
  • AS32323 Equinix, Inc.159 paths
  • AS33651 Comcast Cable Communications, LLC7 paths

Downstreams

  • None seen

As the route collectors of RIPEstat see them

Routes AS26211 announces

52 IPv4 prefixes covering 14,592 addresses, and 3 IPv6 prefixes

IPv4

And 2 more

IPv6

From bgp.tools

Location

Map © OpenStreetMap contributors
Location
California, 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
Commercial
Provider
Proofpoint, 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:       148.163.128.0 - 148.163.159.255
CIDR:           148.163.128.0/19
NetName:        PROOFPOINT-NET-NORTH-AMERICA
NetHandle:      NET-148-163-128-0-1
Parent:         NET148 (NET-148-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Proofpoint, Inc. (PROOF)
RegDate:        2014-06-13
Updated:        2020-05-29
Comment:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
Ref:            https://rdap.arin.net/registry/ip/148.163.128.0


OrgName:        Proofpoint, Inc.
OrgId:          PROOF
Address:        925 W Maude Ave
City:           Sunnyvale
StateProv:      CA
PostalCode:     94085
Country:        US
RegDate:        2007-10-16
Updated:        2021-06-15
Ref:            https://rdap.arin.net/registry/entity/PROOF


OrgAbuseHandle: PAA19-ARIN
OrgAbuseName:   Proofpoint ARIN Abuse
OrgAbusePhone:  +1-801-748-4494 
OrgAbuseEmail:  abuse@proofpoint.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PAA19-ARIN

OrgTechHandle: NETWO2061-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-801-748-4444 
OrgTechEmail:  arin-management@proofpoint.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO2061-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/148.163.156.198

Show the RDAP record
{
  "arin_originas0_originautnums": [],
  "cidr0_cidrs": [
    {
      "v4prefix": "148.163.128.0",
      "length": 19
    }
  ],
  "endAddress": "148.163.159.255",
  "entities": [
    {
      "entities": [
        {
          "events": [
            {
              "eventAction": "last changed",
              "eventDate": "2026-06-15T10:37:20-04:00"
            },
            {
              "eventAction": "registration",
              "eventDate": "2014-09-08T14:12:12-04:00"
            }
          ],
          "handle": "PAA19-ARIN",
          "links": [
            {
              "href": "https://rdap.arin.net/registry/entity/PAA19-ARIN",
              "rel": "self",
              "type": "application/rdap+json",
              "value": "https://rdap.arin.net/registry/ip/148.163.156.198"
            },
            {
              "href": "https://whois.arin.net/rest/poc/PAA19-ARIN",
              "rel": "alternate",
              "type": "application/xml",
              "value": "https://rdap.arin.net/registry/ip/148.163.156.198"
            }
          ],
          "objectClassName": "entity",
          "port43": "whois.arin.net",
          "roles": [
            "abuse"
          ],
          "status": [
            "validated"
          ],
          "vcardArray": [
            "vcard",
            [
              [
                "version",
                {},
                "text",
                "4.0"
              ],
              [
                "adr",
                {
                  "label": "13997 S Minuteman Dr\nDraper\nUT\n84020\nUnited States"
                },
                "text",
                [
                  "",
                  "",
                  "",
                  "",
                  "",
                  "",
                  ""
                ]
              ],
              [
                "fn",
                {},
                "text",
                "Proofpoint ARIN Abuse"
              ],
              [
                "org",
                {},
                "text",
                "Proofpoint"
              ],
              [
                "kind",
                {},
                "text",
                "group"
              ],
              [
                "email",
                {},
                "text",
                "abuse@proofpoint.com"
              ],
              [
                "tel",
                {
                  "type": [
                    "work",
                    "voice"
                  ]
                },
                "text",
                "+1-801-748-4494"
              ]
            ]
          ]
        },
        {
          "events": [
            {
              "eventAction": "last changed",
              "eventDate": "2026-08-17T11:06:05-04:00"
            },
            {
              "eventAction": "registration",
              "eventDate": "2007-10-15T16:36:15-04:00"
            }
          ],
          "handle": "NETWO2061-ARIN",
          "links": [
            {
              "href": "https://rdap.arin.net/registry/entity/NETWO2061-ARIN",
              "rel": "self",
              "type": "application/rdap+json",
              "value": "https://rdap.arin.net/registry/ip/148.163.156.198"
            },
            {
              "href": "https://whois.arin.net/rest/poc/NETWO2061-ARIN",
              "rel": "alternate",
              "type": "application/xml",
              "value": "https://rdap.arin.net/registry/ip/148.163.156.198"
            }
          ],
          "objectClassName": "entity",
          "port43": "whois.arin.net",
          "remarks": [
            {
              "description": [
                "http://www.proofpoint.com",
                "Proofpoint Network Engineering - neteng@proofpoint.com"
              ],
              "title": "Registration Comments"
            }
          ],
          "roles": [
            "administrative",
            "technical"
          ],
          "status": [
            "validated"
          ],
          "vcardArray": [
            "vcard",
            [
              [
                "version",
                {},
                "text",
                "4.0"
              ],
              [
                "adr",
                {
                  "label": "925 W Maude Ave\nSunnyvale\nCA\n94085\nUnited States"
                },
                "text",
                [
                  "",
                  "",
                  "",
                  "",
                  "",
                  "",
                  ""
                ]
              ],
              [
                "fn",
                {},
                "text",
                "Network Operations"
              ],
              [
                "org",
                {},
                "text",
                "Proofpoint, Inc."
              ],
              [
                "kind",
                {},
                "text",
                "group"
              ],
              [
                "email",
                {},
                "text",
                "arin-management@proofpoint.com"
              ],
              [
                "tel",
                {
                  "type": [
                    "work",
                    "voice"
                  ]
                },
                "text",
                "+1-408-517-4710"
              ],
              [
                "tel",
                {
                  "type": [
                    "work",
                    "voice"
                  ]
                },
                "text",
                "+1-801-748-4444"
              ]
            ]
          ]
        }
      ],
      "events": [
        {
          "eventAction": "last changed",
          "eventDate": "2021-06-15T05:46:45-04:00"
        },
        {
          "eventAction": "registration",
          "eventDate": "2007-10-16T07:55:10-04:00"
        }
      ],
      "handle": "PROOF",
      "links": [
        {
          "href": "https://rdap.arin.net/registry/entity/PROOF",
          "rel": "self",
          "type": "application/rdap+json",
          "value": "https://rdap.arin.net/registry/ip/148.163.156.198"
        },
        {
          "href": "https://whois.arin.net/rest/org/PROOF",
          "rel": "alternate",
          "type": "application/xml",
          "value": "https://rdap.arin.net/registry/ip/148.163.156.198"
        }
      ],
      "objectClassName": "entity",
      "port43": "whois.arin.net",
      "roles": [
        "registrant"
      ],
      "vcardArray": [
        "vcard",
        [
          [
            "version",
            {},
            "text",
            "4.0"
          ],
          [
            "fn",
            {},
            "text",
            "Proofpoint, Inc."
          ],
          [
            "adr",
            {
              "label": "925 W Maude Ave\nSunnyvale\nCA\n94085\nUnited States"
            },
            "text",
            [
              "",
              "",
              "",
              "",
              "",
              "",
              ""
            ]
          ],
          [
            "kind",
            {},
            "text",
            "org"
          ]
        ]
      ]
    }
  ],
  "events": [
    {
      "eventAction": "last changed",
      "eventDate": "2020-05-29T17:06:09-04:00"
    },
    {
      "eventAction": "registration",
      "eventDate": "2014-06-13T15:21:56-04:00"
    }
  ],
  "handle": "NET-148-163-128-0-1",
  "ipVersion": "v4",
  "links": [
    {
      "href": "https://rdap.arin.net/registry/ip/148.163.128.0",
      "rel": "self",
      "type": "application/rdap+json",
      "value": "https://rdap.arin.net/registry/ip/148.163.156.198"
    },
    {
      "href": "https://whois.arin.net/rest/net/NET-148-163-128-0-1",
      "rel": "alternate",
      "type": "application/xml",
      "value": "https://rdap.arin.net/registry/ip/148.163.156.198"
    }
  ],
  "name": "PROOFPOINT-NET-NORTH-AMERICA",
  "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/148.163.156.198"
        }
      ],
      "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/148.163.156.198"
        }
      ],
      "title": "Whois Inaccuracy Reporting"
    },
    {
      "description": [
        "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
      ],
      "title": "Copyright Notice"
    }
  ],
  "objectClassName": "ip network",
  "parentHandle": "NET-148-0-0-0-0",
  "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": "148.163.128.0",
  "status": [
    "active"
  ],
  "type": "DIRECT ALLOCATION"
}