23486 NETSPAN, US
Adjacency: 10 Upstream: 3 Downstream: 7
Upstream Adjacent AS list
AS174 COGENT-174, US
AS6939 HURRICANE, US
AS3491 CONSOLE-CONNECT-ASN, US
Downstream Adjacent AS list
AS395112 BEAUMONT-ISD-01, US
AS29753 BROISDTXASN, US
AS26670 MCISD-AS, US
AS40049 ESC-2, US
AS54800 LAREDOISD, US
AS393332 MCALLENISD-TX, US
AS20280 CORPUS-CHRISTI-ISD-AS1, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 13073 AS23486 ORG+TRN Originate: 6912 /19.25 Transit: 1792 /21.19 NETSPAN, 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 % 36832 AS23486 NETSPAN, US 6 0 0 6 0 0.00% Prefix AS Path Aggregation Suggestion 38.103.228.0/22 6939 23486 74.122.64.0/21 6939 23486 194.164.102.0/23 6939 23486 199.58.128.0/21 6939 23486 199.192.244.0/22 6939 23486 204.29.205.0/24 6939 23486
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23486 5 More Specifics 9 Total Advertisements NETSPAN, US
38.64.4.0/22 38.0.0.0/8
38.103.228.0/22 38.0.0.0/8
165.254.174.0/23 165.254.0.0/16
170.124.0.0/23 170.124.0.0/16
199.58.129.0/24 199.58.128.0/21
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 165.254.174.0/23 Announced
whois: 402603
IANA has recorded AS23486 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23486\n
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ASNumber: 23486
ASName: NETSPAN
ASHandle: AS23486
RegDate: 2002-03-27
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/23486
OrgName: Foremost Telecommunications
OrgId: NETSPA
Address: PO BOX 261160
City: Plano
StateProv: TX
PostalCode: 75026-1160
Country: US
RegDate: 1994-06-29
Updated: 2025-11-14
Ref: https://rdap.arin.net/registry/entity/NETSPA
OrgAbuseHandle: CAE8-ARIN
OrgAbuseName: Eastin, Christopher Alan
OrgAbusePhone: +1-469-554-4554
OrgAbuseEmail: eastin@foremosttech.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/CAE8-ARIN
OrgTechHandle: LH289-ARIN
OrgTechName: Halcomb, Larry
OrgTechPhone: +1-972-690-8840
OrgTechEmail: halcomb@foremosttelecom.com
OrgTechRef: https://rdap.arin.net/registry/entity/LH289-ARIN
OrgAbuseHandle: LH289-ARIN
OrgAbuseName: Halcomb, Larry
OrgAbusePhone: +1-972-690-8840
OrgAbuseEmail: halcomb@foremosttelecom.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/LH289-ARIN
OrgTechHandle: CAE8-ARIN
OrgTechName: Eastin, Christopher Alan
OrgTechPhone: +1-469-554-4554
OrgTechEmail: eastin@foremosttech.com
OrgTechRef: https://rdap.arin.net/registry/entity/CAE8-ARIN
RTechHandle: LH289-ARIN
RTechName: Halcomb, Larry
RTechPhone: +1-972-690-8840
RTechEmail: halcomb@foremosttelecom.com
RTechRef: https://rdap.arin.net/registry/entity/LH289-ARIN
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# 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.
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