AS Number
AS26211
AS Name
PROOFPOINT-ASN-US-WEST
Org Name
Proofpoint, Inc.
Registry

arin

RegDate

2007-10-16

Updated

2021-06-15

AS26211 Looking Glass
IPv4Prefixes

38

IPv6Prefixes

3

IPv4 NUMs

10,752

IPv6 NUMs(/64)

262,144

10,752 IPv4 Addresses
CIDR Description IP Num
67.231.144.0/24 Proofpoint, Inc. 256
67.231.145.0/24 Proofpoint, Inc. 256
67.231.146.0/24 Proofpoint, Inc. 256
67.231.147.0/24 Proofpoint, Inc. 256
67.231.148.0/24 Proofpoint, Inc. 256
67.231.149.0/24 Proofpoint, Inc. 256
67.231.150.0/24 Proofpoint, Inc. 256
67.231.151.0/24 Proofpoint, Inc. 256
67.231.158.0/24 Proofpoint, Inc. 256
67.231.159.0/24 Proofpoint, Inc. 256
148.163.132.0/24 Proofpoint, Inc. 256
148.163.133.0/24 Proofpoint, Inc. 256
148.163.134.0/24 Proofpoint, Inc. 256
148.163.135.0/24 Proofpoint, Inc. 256
148.163.144.0/24 Proofpoint, Inc. 256
148.163.145.0/24 Proofpoint, Inc. 256
148.163.146.0/24 Proofpoint, Inc. 256
148.163.147.0/24 Proofpoint, Inc. 256
148.163.148.0/22 Proofpoint, Inc. 1024
148.163.156.0/23 Proofpoint, Inc. 512
198.60.24.0/24 Utah Education Network 256
205.220.160.0/24 Proofpoint, Inc. 256
205.220.161.0/24 Proofpoint, Inc. 256
205.220.162.0/24 Proofpoint, Inc. 256
205.220.163.0/24 Proofpoint, Inc. 256
205.220.164.0/24 Proofpoint, Inc. 256
205.220.165.0/24 Proofpoint, Inc. 256
205.220.166.0/24 Proofpoint, Inc. 256
205.220.167.0/24 Proofpoint, Inc. 256
205.220.168.0/24 Proofpoint, Inc. 256
205.220.169.0/24 Proofpoint, Inc. 256
205.220.186.0/24 Proofpoint, Inc. 256
205.220.190.0/24 Proofpoint, Inc. 256
205.220.191.0/24 Proofpoint, Inc. 256
208.84.65.0/24 Proofpoint, Inc. 256
208.84.66.0/24 Proofpoint, Inc. 256
208.86.202.0/24 Proofpoint, Inc. 256
208.86.203.0/24 Proofpoint, Inc. 256
CIDR Description IP NUMs(prefix /64)
2620:100:9000::/47 Proofpoint, Inc. 131072
2620:100:900c::/48 Proofpoint, Inc. 65536
2620:100:900d::/48 Proofpoint, Inc. 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3561 CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLC, US United States 8,960,000 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS33651 CMCS - Comcast Cable Communications, LLC, US United States 116,224 281,474,998,075,392 IPv4 IPv4
AS33660 CMCS - Comcast Cable Communications, LLC, US United States 75,008 6,094,848 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, US United States 27,334,144 224,501,006,336 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,799,184 73,301,954,304 IPv4 IPv4
AS3549 LVLT-3549 - Level 3 Parent, LLC, US United States 6,260,960 150,614,245,376 IPv4 IPv4
AS209 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US United States 20,656,640 1,113,202,491,392 IPv4 IPv4 IPv6 IPv6
AS1299 TWELVE99 - Telia Company AB, SE Sweden 274,688 17,600,776,830,976 IPv4 IPv4 IPv6 IPv6
AS36031 Q9-AS-BRAM - Q9 Networks Inc., CA Canada 15,872 268,435,456 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS22843 PROOFPOINT-ASN-US-EAST - Proofpoint, Inc., US United States 9,216 262,144 IPv4 IPv4
IP Address Domain NUMs Domains
67.231.144.1 4 mxa-0022c601.gslb.pphosted.com
67.231.144.2 1 mxa-000f1d01.gslb.pphosted.com
67.231.144.4 4 antispam.pginw.com
67.231.144.5 3 mx2.jedunn.com.gslb.pphosted.com
67.231.144.6 2 mxa-00150301.gslb.pphosted.com
67.231.144.7 1 mx2.celerity.net.gslb.pphosted.com
67.231.144.8 1 mxb-00229601.gslb.pphosted.com
67.231.144.9 1 mxa-000da401.gslb.pphosted.com
67.231.144.10 3 mx0a-0014e801.pphosted.com
67.231.144.11 1 mx2.efirstbank.com.gslb.pphosted.com
ASNumber:       26211
ASName:         PROOFPOINT-ASN-US-WEST
ASHandle:       AS26211
RegDate:        2007-10-31
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/26211


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


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

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

RNOCHandle: NETWO2061-ARIN
RNOCName:   Network Operations
RNOCPhone:  +1-801-748-4444 
RNOCEmail:  arin-management@proofpoint.com
RNOCRef:    https://rdap.arin.net/registry/entity/NETWO2061-ARIN

RTechHandle: NETWO2061-ARIN
RTechName:   Network Operations
RTechPhone:  +1-801-748-4444 
RTechEmail:  arin-management@proofpoint.com
RTechRef:    https://rdap.arin.net/registry/entity/NETWO2061-ARIN

RAbuseHandle: NETWO2061-ARIN
RAbuseName:   Network Operations
RAbusePhone:  +1-801-748-4444 
RAbuseEmail:  arin-management@proofpoint.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO2061-ARIN