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	Prefix	Description
	192.122.243.0/24	Northwest Natural Gas Company
	192.122.244.0/24	Northwest Natural Gas Company
	192.122.245.0/24	Northwest Natural Gas Company
	192.122.246.0/24	Northwest Natural Gas Company
	192.122.247.0/24	Northwest Natural Gas Company

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS701	Verizon Business	✔	✘
	AS33490	Comcast (Portland/Spokane)	✔	✘
	AS7385	Zayo (fka Allstream)	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS701	Verizon Business	✔	✘
	AS7385	Zayo (fka Allstream)	✔	✘
	AS33490	Comcast (Portland/Spokane)	✔	✘

ASHandle:       AS21718
OrgID:          NNG-4
ASName:         NW-NATURAL-GAS
ASNumber:       21718
RegDate:        2001-06-13
Updated:        2025-09-04
TechHandle:     HARLO39-ARIN
TechHandle:     RHA368-ARIN
AbuseHandle:    HARLO39-ARIN
AbuseHandle:    RHA368-ARIN
NOCHandle:      HARLO39-ARIN
NOCHandle:      RHA368-ARIN
Source:         ARIN



OrgID:          NNG-4
OrgName:        Northwest Natural Gas
CanAllocate:    
Street:         250 SW Taylor St
City:           Portland
State/Prov:     OR
Country:        US
PostalCode:     97204
RegDate:        2001-06-13
Updated:        2025-08-29
OrgAdminHandle: HARLO39-ARIN
OrgTechHandle:  HARLO39-ARIN
OrgTechHandle:  RHA368-ARIN
OrgAbuseHandle: HARLO39-ARIN
OrgAbuseHandle: RHA368-ARIN
OrgNOCHandle:   HARLO39-ARIN
OrgNOCHandle:   RHA368-ARIN
OrgRoutingHandle:   HARLO39-ARIN
OrgRoutingHandle:   RHA368-ARIN
OrgDNSHandle:   HARLO39-ARIN
OrgDNSHandle:   RHA368-ARIN
Source:         ARIN





OrgAdminHandle:       HARLO39-ARIN
OrgAdminName:         Bryan Harlow
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        HARLO39-ARIN
OrgTechName:          Bryan Harlow
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        RHA368-ARIN
OrgTechName:          Rowell Andal
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       HARLO39-ARIN
OrgAbuseName:         Bryan Harlow
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       RHA368-ARIN
OrgAbuseName:         Rowell Andal
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         HARLO39-ARIN
OrgNOCName:           Bryan Harlow
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         RHA368-ARIN
OrgNOCName:           Rowell Andal
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     HARLO39-ARIN
OrgRoutingName:       Bryan Harlow
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     RHA368-ARIN
OrgRoutingName:       Rowell Andal
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         HARLO39-ARIN
OrgDNSName:           Bryan Harlow
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         RHA368-ARIN
OrgDNSName:           Rowell Andal
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           HARLO39-ARIN
TechName:             Bryan Harlow
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           RHA368-ARIN
TechName:             Rowell Andal
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          HARLO39-ARIN
AbuseName:            Bryan Harlow
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          RHA368-ARIN
AbuseName:            Rowell Andal
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            HARLO39-ARIN
NOCName:              Bryan Harlow
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            RHA368-ARIN
NOCName:              Rowell Andal
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-30T03:32:46Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-xo	1
RADB	as-comcast-edia	2752
LEVEL3	as-level3-origins-na	0
ARIN	as-xo-b	58200
RADB	as-wave-customers	4092