AS21718 Northwest Natural Gas 🇺🇸 US

Announcing 5 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,280 (5 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS21718
Name: Northwest Natural Gas
Organisation: Northwest Natural Gas
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2001-06-13

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 5 no ROA (100.0%)

Whois

Fetched from whois.arin.net

ASNumber:       21718
ASName:         NW-NATURAL-GAS
ASHandle:       AS21718
RegDate:        2001-06-13
Updated:        2025-09-04
Ref:            https://rdap.arin.net/registry/autnum/21718

OrgName:        Northwest Natural Gas
OrgId:          NNG-4
Address:        250 SW Taylor St
City:           Portland
StateProv:      OR
PostalCode:     97204
Country:        US
RegDate:        2001-06-13
Updated:        2025-08-29
Ref:            https://rdap.arin.net/registry/entity/NNG-4

OrgRoutingHandle: RHA368-ARIN
OrgRoutingName:   Andal, Rowell H
OrgRoutingPhone:  +1-503-610-7743
OrgRoutingEmail:  rowell.andal@nwnatural.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/RHA368-ARIN

OrgTechHandle: HARLO39-ARIN
OrgTechName:   Harlow, Bryan
OrgTechPhone:  +1-360-355-0435
OrgTechEmail:  bryan.harlow@nwnatural.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HARLO39-ARIN

OrgRoutingHandle: HARLO39-ARIN
OrgRoutingName:   Harlow, Bryan
OrgRoutingPhone:  +1-360-355-0435
OrgRoutingEmail:  bryan.harlow@nwnatural.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/HARLO39-ARIN

OrgTechHandle: RHA368-ARIN
OrgTechName:   Andal, Rowell H
OrgTechPhone:  +1-503-610-7743
OrgTechEmail:  rowell.andal@nwnatural.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RHA368-ARIN

OrgAbuseHandle: HARLO39-ARIN
OrgAbuseName:   Harlow, Bryan
OrgAbusePhone:  +1-360-355-0435
OrgAbuseEmail:  bryan.harlow@nwnatural.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HARLO39-ARIN

OrgDNSHandle: RHA368-ARIN
OrgDNSName:   Andal, Rowell H
OrgDNSPhone:  +1-503-610-7743
OrgDNSEmail:  rowell.andal@nwnatural.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/RHA368-ARIN

OrgNOCHandle: HARLO39-ARIN
OrgNOCName:   Harlow, Bryan
OrgNOCPhone:  +1-360-355-0435
OrgNOCEmail:  bryan.harlow@nwnatural.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/HARLO39-ARIN

OrgAbuseHandle: RHA368-ARIN
OrgAbuseName:   Andal, Rowell H
OrgAbusePhone:  +1-503-610-7743
OrgAbuseEmail:  rowell.andal@nwnatural.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RHA368-ARIN

OrgDNSHandle: HARLO39-ARIN
OrgDNSName:   Harlow, Bryan
OrgDNSPhone:  +1-360-355-0435
OrgDNSEmail:  bryan.harlow@nwnatural.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/HARLO39-ARIN

OrgNOCHandle: RHA368-ARIN
OrgNOCName:   Andal, Rowell H
OrgNOCPhone:  +1-503-610-7743
OrgNOCEmail:  rowell.andal@nwnatural.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/RHA368-ARIN

RTechHandle: RHA368-ARIN
RTechName:   Andal, Rowell H
RTechPhone:  +1-503-610-7743
RTechEmail:  rowell.andal@nwnatural.com
RTechRef:    https://rdap.arin.net/registry/entity/RHA368-ARIN

RTechHandle: HARLO39-ARIN
RTechName:   Harlow, Bryan
RTechPhone:  +1-360-355-0435
RTechEmail:  bryan.harlow@nwnatural.com
RTechRef:    https://rdap.arin.net/registry/entity/HARLO39-ARIN

RAbuseHandle: RHA368-ARIN
RAbuseName:   Andal, Rowell H
RAbusePhone:  +1-503-610-7743
RAbuseEmail:  rowell.andal@nwnatural.com
RAbuseRef:    https://rdap.arin.net/registry/entity/RHA368-ARIN

RAbuseHandle: HARLO39-ARIN
RAbuseName:   Harlow, Bryan
RAbusePhone:  +1-360-355-0435
RAbuseEmail:  bryan.harlow@nwnatural.com
RAbuseRef:    https://rdap.arin.net/registry/entity/HARLO39-ARIN

RNOCHandle: HARLO39-ARIN
RNOCName:   Harlow, Bryan
RNOCPhone:  +1-360-355-0435
RNOCEmail:  bryan.harlow@nwnatural.com
RNOCRef:    https://rdap.arin.net/registry/entity/HARLO39-ARIN

RNOCHandle: RHA368-ARIN
RNOCName:   Andal, Rowell H
RNOCPhone:  +1-503-610-7743
RNOCEmail:  rowell.andal@nwnatural.com
RNOCRef:    https://rdap.arin.net/registry/entity/RHA368-ARIN