AS Name Org Name IPv4Prefixes IPv6Prefixes IPv4 NUMs IPv6 NUMs(/64) Registry Region Looking Glass
PROOFPOINT-UT7 Proofpoint, Inc. 3 1 8,704 131,072 United States
8,704 IPv4 Addresses
CIDR Description IP Num
148.163.128.0/19 Proofpoint, Inc. 8192
208.83.136.0/24 Cloudmark, Inc. 256
208.83.138.0/24 Cloudmark, Inc. 256
CIDR Description IP NUMs(prefix /64)
2620:100:9008::/47 Proofpoint, Inc. 131072
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 39,179,428 21,494,759,680 IPv4 IPv4 IPv6 IPv6
AS13951 DATABANK-SLC - C7 Data Centers, Inc., US United States 56,832 4,295,098,368 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
148.163.128.144 1 spf-mailers.proofpoint.com
148.163.129.48 2 dispatch-us.ppe-hosted.com
148.163.129.49 2 dispatch-us.ppe-hosted.com
148.163.129.50 290 2kq-1.mx10.pef.luxsci.com
ASNumber:       13916
ASName:         PROOFPOINT-UT7
ASHandle:       AS13916
RegDate:        2014-05-20
Updated:        2014-05-20    
Ref:            https://rdap.arin.net/registry/autnum/13916


OrgName:        Proofpoint, Inc.
OrgId:          PROOF
Address:        892 Ross Drive
City:           Sunnyvale
StateProv:      CA
PostalCode:     94089
Country:        US
RegDate:        2007-10-16
Updated:        2014-09-08
Ref:            https://rdap.arin.net/registry/entity/PROOF


OrgAbuseHandle: PAA19-ARIN
OrgAbuseName:   Proofpoint ARIN Abuse
OrgAbusePhone:  +1-801-748-4494 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PAA19-ARIN

OrgTechHandle: NETWO2061-ARIN
OrgTechName:   Network Operations
OrgTechPhone:  +1-408-517-4710 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO2061-ARIN