18615 MAINSTREAM-FIBER, US
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS6939 HURRICANE, US
AS174 COGENT-174, US
AS6461 ZAYO-6461, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4923 AS18615 ORIGIN Originate: 38400 /16.77 Transit: 0 /0.00 MAINSTREAM-FIBER, 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 % 35062 AS18615 MAINSTREAM-FIBER, US 8 0 0 8 0 0.00% Prefix AS Path Aggregation Suggestion 23.252.0.0/20 6939 18615 38.2.0.0/19 6939 18615 38.194.0.0/18 6939 18615 74.116.20.0/22 6939 18615 147.160.8.0/21 6939 18615 149.20.248.0/21 6939 18615 163.182.176.0/20 6939 18615 206.126.242.0/23 6939 18615
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18615 1 More Specifics 7 Total Advertisements MAINSTREAM-FIBER, US
38.2.0.0/19 38.0.0.0/8
whois: 402603
IANA has recorded AS18615 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18615\n
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 18615
ASName: MAINSTREAM-FIBER
ASHandle: AS18615
RegDate: 2013-11-12
Updated: 2016-03-15
Ref: https://rdap.arin.net/registry/autnum/18615
OrgName: Mainstream Fiber Networks, LLC
OrgId: MFNL-2
Address: 4788 Old State Road 46
City: Nashville
StateProv: IN
PostalCode: 47448
Country: US
RegDate: 2015-12-01
Updated: 2026-05-08
Ref: https://rdap.arin.net/registry/entity/MFNL-2
OrgTechHandle: NBL12-ARIN
OrgTechName: Lynn, Nathaniel B
OrgTechPhone: +1-844-752-6736
OrgTechEmail: blynn@msfiber.net
OrgTechRef: https://rdap.arin.net/registry/entity/NBL12-ARIN
OrgDNSHandle: SERPI-ARIN
OrgDNSName: Serpico, Jon
OrgDNSPhone: +1-323-333-7553
OrgDNSEmail: jserpico@msfiber.net
OrgDNSRef: https://rdap.arin.net/registry/entity/SERPI-ARIN
OrgNOCHandle: ZLV3-ARIN
OrgNOCName: Vance, Zach Lee
OrgNOCPhone: +1-812-720-9423
OrgNOCEmail: zvance@msfiber.net
OrgNOCRef: https://rdap.arin.net/registry/entity/ZLV3-ARIN
OrgTechHandle: ZLV3-ARIN
OrgTechName: Vance, Zach Lee
OrgTechPhone: +1-812-720-9423
OrgTechEmail: zvance@msfiber.net
OrgTechRef: https://rdap.arin.net/registry/entity/ZLV3-ARIN
OrgAbuseHandle: ABUSE8911-ARIN
OrgAbuseName: Abuse Complaints
OrgAbusePhone: +1-812-720-9423
OrgAbuseEmail: abuse@msfiber.net
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE8911-ARIN
OrgTechHandle: GABRI2-ARIN
OrgTechName: Gabriel, Bryan
OrgTechPhone: +1-812-961-2838
OrgTechEmail: bgabriel@msfiber.net
OrgTechRef: https://rdap.arin.net/registry/entity/GABRI2-ARIN
OrgTechHandle: SERPI-ARIN
OrgTechName: Serpico, Jon
OrgTechPhone: +1-323-333-7553
OrgTechEmail: jserpico@msfiber.net
OrgTechRef: https://rdap.arin.net/registry/entity/SERPI-ARIN
OrgNOCHandle: GABRI2-ARIN
OrgNOCName: Gabriel, Bryan
OrgNOCPhone: +1-812-961-2838
OrgNOCEmail: bgabriel@msfiber.net
OrgNOCRef: https://rdap.arin.net/registry/entity/GABRI2-ARIN
OrgDNSHandle: NBL12-ARIN
OrgDNSName: Lynn, Nathaniel B
OrgDNSPhone: +1-844-752-6736
OrgDNSEmail: blynn@msfiber.net
OrgDNSRef: https://rdap.arin.net/registry/entity/NBL12-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.
#