
21527 DAYSTARR-NET - Daystarr Communications, US
Adjacency: 4 Upstream: 2 Downstream: 2
Upstream Adjacent AS list
AS174 COGENT-174 - Cogent Communications, LLC, US
AS46208 PFNL-ASN - Peninsula Fiber Network, LLC, US
Downstream Adjacent AS list
AS63133 LENNON-1 - Lennon Telephone Company, US
AS26216 INVISALINKWIRELESSMI - Invisalink Wireless, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 9636 AS21527 ORG+TRN Originate: 11008 /18.57 Transit: 1792 /21.19 DAYSTARR-NET - Daystarr Communications, 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 % 2880 AS21527 DAYSTARR-NET - Daystarr Communications, US 23 18 0 5 18 78.26% Prefix AS Path Aggregation Suggestion 23.157.240.0/24 4777 6939 46208 21527 69.41.0.0/20 4777 6939 46208 21527 69.41.0.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.1.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.2.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.3.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.4.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.5.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.6.0/23 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.8.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.9.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.10.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.11.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.12.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.13.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 69.41.15.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 69.41.0.0/20 4777 6939 46208 21527 104.192.192.0/23 4777 6939 46208 21527 148.59.89.0/24 4777 6939 46208 21527 208.65.236.0/22 4777 6939 46208 21527 208.65.236.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 208.65.236.0/22 4777 6939 46208 21527 208.65.237.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 208.65.236.0/22 4777 6939 46208 21527 208.65.238.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 208.65.236.0/22 4777 6939 46208 21527 208.65.239.0/24 4777 6939 46208 21527 - Withdrawn - matching aggregate 208.65.236.0/22 4777 6939 46208 21527
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS21527 18 More Specifics 23 Total Advertisements DAYSTARR-NET - Daystarr Communications, US
69.41.0.0/24 69.41.0.0/20
69.41.1.0/24 69.41.0.0/20
69.41.2.0/24 69.41.0.0/20
69.41.3.0/24 69.41.0.0/20
69.41.4.0/24 69.41.0.0/20
69.41.5.0/24 69.41.0.0/20
69.41.6.0/23 69.41.0.0/20
69.41.8.0/24 69.41.0.0/20
69.41.9.0/24 69.41.0.0/20
69.41.10.0/24 69.41.0.0/20
69.41.11.0/24 69.41.0.0/20
69.41.12.0/24 69.41.0.0/20
69.41.13.0/24 69.41.0.0/20
69.41.15.0/24 69.41.0.0/20
208.65.236.0/24 208.65.236.0/22
208.65.237.0/24 208.65.236.0/22
208.65.238.0/24 208.65.236.0/22
208.65.239.0/24 208.65.236.0/22
whois: 402332
IANA has recorded AS21527 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21527\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
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# If you see inaccuracies in the results, please report at
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 21527
ASName: DAYSTARR-NET
ASHandle: AS21527
RegDate: 2001-05-16
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/21527
OrgName: Daystarr Communications
OrgId: DAYST-7
Address: P.O. Box 698
Address: 307 N Ball St
City: Owosso
StateProv: MI
PostalCode: 48867
Country: US
RegDate: 2004-10-17
Updated: 2022-07-05
Ref: https://rdap.arin.net/registry/entity/DAYST-7
OrgRoutingHandle: DIA5-ARIN
OrgRoutingName: DayStarr IP Admin
OrgRoutingPhone: +1-989-720-6000
OrgRoutingEmail: noc@daystarrfiber.net
OrgRoutingRef: https://rdap.arin.net/registry/entity/DIA5-ARIN
OrgAbuseHandle: ABUSE5256-ARIN
OrgAbuseName: Abuse Handler
OrgAbusePhone: +1-888-618-3828
OrgAbuseEmail: abuse@daystarr.net
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE5256-ARIN
OrgAbuseHandle: DIA5-ARIN
OrgAbuseName: DayStarr IP Admin
OrgAbusePhone: +1-989-720-6000
OrgAbuseEmail: noc@daystarrfiber.net
OrgAbuseRef: https://rdap.arin.net/registry/entity/DIA5-ARIN
OrgNOCHandle: CR637-ARIN
OrgNOCName: Rose, Collin
OrgNOCPhone: +1-989-720-6000
OrgNOCEmail: collin.rose@daystarrfiber.net
OrgNOCRef: https://rdap.arin.net/registry/entity/CR637-ARIN
OrgTechHandle: CR637-ARIN
OrgTechName: Rose, Collin
OrgTechPhone: +1-989-720-6000
OrgTechEmail: collin.rose@daystarrfiber.net
OrgTechRef: https://rdap.arin.net/registry/entity/CR637-ARIN
OrgNOCHandle: DIA5-ARIN
OrgNOCName: DayStarr IP Admin
OrgNOCPhone: +1-989-720-6000
OrgNOCEmail: noc@daystarrfiber.net
OrgNOCRef: https://rdap.arin.net/registry/entity/DIA5-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.
#