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	Prefix	Description
	208.83.138.0/24	Proofpoint, Inc.
	148.163.128.0/24	Proofpoint, Inc.
	148.163.129.0/24	Proofpoint, Inc.
	148.163.130.0/24	Proofpoint, Inc.
	208.83.136.0/24	Proofpoint, Inc.
	2620:0:2900::/48	Proofpoint, Inc.
	2620:0:2901::/48	Proofpoint, Inc.
	2620:100:9008::/47	Proofpoint, Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS174	Cogent Communications	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS174	Cogent Communications	✔	✔

ASHandle:       AS13916
OrgID:          PROOF
ASName:         PROOFPOINT-UT7
ASNumber:       13916
RegDate:        2014-05-20
Updated:        2014-05-20
Source:         ARIN



OrgID:          PROOF
OrgName:        Proofpoint, Inc.
CanAllocate:    
Street:         925 W Maude Ave
City:           Sunnyvale
State/Prov:     CA
Country:        US
PostalCode:     94085
RegDate:        2007-10-16
Updated:        2021-06-15
OrgAdminHandle: NETWO2061-ARIN
OrgTechHandle:  NETWO2061-ARIN
OrgAbuseHandle: PAA19-ARIN
Source:         ARIN





OrgAdminHandle:       NETWO2061-ARIN
OrgAdminName:          Network Operations
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETWO2061-ARIN
OrgTechName:           Network Operations
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       PAA19-ARIN
OrgAbuseName:          Proofpoint ARIN Abuse
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-04-18T03:34:04Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-proofpoint	3
RIPE	as-incapsula	366
RADB	as-pnapbsn	154
RADB	as-databank	163
RIPE	as1299:as-twelve99-na-v4	98041
RIPE	as1299:as-twelve99-na-v6	97988
RADB	as19551:as-imperva	276
ARIN	as-incapsula	366