
23138 FIRST-STEP - FIRST STEP INTERNET, LLC, US
Adjacency: 6 Upstream: 3 Downstream: 3
Upstream Adjacent AS list
AS7575 AARNET-AS-AP Australian Academic and Research Network AARNet, AU
AS20055 AS-WHOLESAIL - Wholesail networks LLC, US
AS16713 NOANET-WA - Northwest Open Access Network, US
Downstream Adjacent AS list
AS13752 P1FCU-01 - P1FCU, US
AS4539 SEL-AS - Schweitzer Engineering Laboratories, Inc., US
AS21615 CEBRIDGE - Cebridge Connections, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 5526 AS23138 ORG+TRN Originate: 30208 /17.12 Transit: 2048 /21.00 FIRST-STEP - FIRST STEP INTERNET, LLC, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 3634 AS23138 FIRST-STEP - FIRST STEP INTERNET, LLC, US 31 15 1 17 14 45.16% Prefix AS Path Aggregation Suggestion 64.126.128.0/18 4777 6939 16713 23138 64.126.128.0/21 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 64.126.131.0/24 4608 7575 20055 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 64.126.132.0/22 4608 7575 20055 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 64.126.136.0/24 4608 7575 23138 64.126.138.0/24 4608 7575 23138 64.126.140.0/23 4608 7575 23138 + Announce - aggregate of 64.126.140.0/24 (4608 7575 23138) and 64.126.141.0/24 (4608 7575 23138) 64.126.140.0/24 4608 7575 23138 - Withdrawn - aggregated with 64.126.141.0/24 (4608 7575 23138) 64.126.141.0/24 4608 7575 23138 - Withdrawn - aggregated with 64.126.140.0/24 (4608 7575 23138) 64.126.143.0/24 4608 7575 23138 64.126.149.0/24 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 64.126.152.0/21 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 64.126.160.0/23 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 64.126.162.0/24 4608 7575 23138 64.126.165.0/24 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 64.126.166.0/24 4608 7575 23138 64.126.169.0/24 4608 7575 23138 64.126.170.0/23 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 64.126.172.0/23 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 64.126.174.0/23 4608 7575 23138 64.126.180.0/23 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 64.126.182.0/23 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 64.126.184.0/24 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 64.126.186.0/24 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 64.126.188.0/24 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 64.126.190.0/24 4777 6939 16713 23138 - Withdrawn - matching aggregate 64.126.128.0/18 4777 6939 16713 23138 198.206.162.0/24 4777 6939 16713 23138 199.245.242.0/24 4777 6939 16713 23138 204.52.245.0/24 4608 7575 23138 204.52.246.0/23 4608 7575 20055 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 23138 204.52.246.0/24 4608 7575 23138 204.52.247.0/24 4777 6939 16713 23138
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23138 24 More Specifics 31 Total Advertisements FIRST-STEP - FIRST STEP INTERNET, LLC, US
64.126.128.0/21 64.126.128.0/18
64.126.131.0/24 64.126.128.0/18
64.126.132.0/22 64.126.128.0/18
64.126.136.0/24 64.126.128.0/18
64.126.138.0/24 64.126.128.0/18
64.126.140.0/24 64.126.128.0/18
64.126.141.0/24 64.126.128.0/18
64.126.143.0/24 64.126.128.0/18
64.126.149.0/24 64.126.128.0/18
64.126.152.0/21 64.126.128.0/18
64.126.160.0/23 64.126.128.0/18
64.126.162.0/24 64.126.128.0/18
64.126.165.0/24 64.126.128.0/18
64.126.166.0/24 64.126.128.0/18
64.126.169.0/24 64.126.128.0/18
64.126.170.0/23 64.126.128.0/18
64.126.172.0/23 64.126.128.0/18
64.126.174.0/23 64.126.128.0/18
64.126.180.0/23 64.126.128.0/18
64.126.182.0/23 64.126.128.0/18
64.126.184.0/24 64.126.128.0/18
64.126.186.0/24 64.126.128.0/18
64.126.188.0/24 64.126.128.0/18
64.126.190.0/24 64.126.128.0/18
whois: 402332
IANA has recorded AS23138 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23138\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
ASNumber: 23138
ASName: FIRST-STEP
ASHandle: AS23138
RegDate: 2002-01-30
Updated: 2002-01-30
Ref: https://rdap.arin.net/registry/autnum/23138
OrgName: FIRST STEP INTERNET, LLC
OrgId: 1STP
Address: 1420 S. BLAINE ST
Address: SUITE 10
City: MOSCOW
StateProv: ID
PostalCode: 83843
Country: US
RegDate: 1993-10-25
Updated: 2024-11-25
Ref: https://rdap.arin.net/registry/entity/1STP
OrgNOCHandle: NOC3069-ARIN
OrgNOCName: NETWORK OPERATIONS CENTER
OrgNOCPhone: +1-208-882-8869
OrgNOCEmail: techsupport@fsr.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC3069-ARIN
OrgAbuseHandle: NAD63-ARIN
OrgAbuseName: NETWORK ABUSE DEPARTMENT
OrgAbusePhone: +1-208-883-3733
OrgAbuseEmail: abuse@fsr.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NAD63-ARIN
OrgTechHandle: NOC3069-ARIN
OrgTechName: NETWORK OPERATIONS CENTER
OrgTechPhone: +1-208-882-8869
OrgTechEmail: techsupport@fsr.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC3069-ARIN
RTechHandle: MH81-ARIN
RTechName: HARSHBARGER, MIKE
RTechPhone: +1-208-882-8869
RTechEmail: mharsh@fsr.com
RTechRef: https://rdap.arin.net/registry/entity/MH81-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#