
29987 SINFONY6 - Sinfony6, LLC, US
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS3257 GTT-BACKBONE GTT, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2821 AS29987 ORIGIN Originate: 76288 /15.78 Transit: 0 /0.00 SINFONY6 - Sinfony6, 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 % 2348 AS29987 SINFONY6 - Sinfony6, LLC, US 28 24 0 4 24 85.71% Prefix AS Path Aggregation Suggestion 23.134.108.0/24 4777 2497 3257 29987 187.31.0.0/16 4777 2497 3257 29987 187.31.0.0/24 4777 2497 3257 29987 - Withdrawn - matching aggregate 187.31.0.0/16 4777 2497 3257 29987 187.31.2.0/24 4777 2497 3257 29987 - Withdrawn - matching aggregate 187.31.0.0/16 4777 2497 3257 29987 187.31.3.0/24 4777 2497 3257 29987 - Withdrawn - matching aggregate 187.31.0.0/16 4777 2497 3257 29987 187.31.4.0/24 4777 2497 3257 29987 - Withdrawn - matching aggregate 187.31.0.0/16 4777 2497 3257 29987 187.31.5.0/24 4777 2497 3257 29987 - Withdrawn - matching aggregate 187.31.0.0/16 4777 2497 3257 29987 187.31.6.0/24 4777 2497 3257 29987 - Withdrawn - matching aggregate 187.31.0.0/16 4777 2497 3257 29987 187.31.7.0/24 4777 2497 3257 29987 - Withdrawn - matching aggregate 187.31.0.0/16 4777 2497 3257 29987 187.31.8.0/24 4777 2497 3257 29987 - Withdrawn - matching aggregate 187.31.0.0/16 4777 2497 3257 29987 187.203.208.0/20 4777 2516 3257 29987 187.203.208.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.209.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.210.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.211.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.212.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.213.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.214.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.215.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.216.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.217.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.218.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.219.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.220.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.221.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.222.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.223.0/24 4777 2516 3257 29987 - Withdrawn - matching aggregate 187.203.208.0/20 4777 2516 3257 29987 187.203.241.0/24 4777 2497 3257 29987
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS29987 26 More Specifics 28 Total Advertisements SINFONY6 - Sinfony6, LLC, US
187.31.0.0/24 187.31.0.0/16
187.31.2.0/24 187.31.0.0/16
187.31.3.0/24 187.31.0.0/16
187.31.4.0/24 187.31.0.0/16
187.31.5.0/24 187.31.0.0/16
187.31.6.0/24 187.31.0.0/16
187.31.7.0/24 187.31.0.0/16
187.31.8.0/24 187.31.0.0/16
187.203.208.0/20 187.192.0.0/11
187.203.208.0/24 187.192.0.0/11
187.203.209.0/24 187.192.0.0/11
187.203.210.0/24 187.192.0.0/11
187.203.211.0/24 187.192.0.0/11
187.203.212.0/24 187.192.0.0/11
187.203.213.0/24 187.192.0.0/11
187.203.214.0/24 187.192.0.0/11
187.203.215.0/24 187.192.0.0/11
187.203.216.0/24 187.192.0.0/11
187.203.217.0/24 187.192.0.0/11
187.203.218.0/24 187.192.0.0/11
187.203.219.0/24 187.192.0.0/11
187.203.220.0/24 187.192.0.0/11
187.203.221.0/24 187.192.0.0/11
187.203.222.0/24 187.192.0.0/11
187.203.223.0/24 187.192.0.0/11
187.203.241.0/24 187.192.0.0/11
whois: 402332
IANA has recorded AS29987 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS29987\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: 29987
ASName: SINFONY6
ASHandle: AS29987
RegDate: 2025-02-11
Updated: 2025-02-11
Ref: https://rdap.arin.net/registry/autnum/29987
OrgName: Sinfony6, LLC
OrgId: SL-2222
Address: 1942 Broadway Ste 314C
City: Boulder
StateProv: CO
PostalCode: 80302
Country: US
RegDate: 2025-01-30
Updated: 2025-02-07
Ref: https://rdap.arin.net/registry/entity/SL-2222
OrgAbuseHandle: NETWO10276-ARIN
OrgAbuseName: Network
OrgAbusePhone: +17192984140
OrgAbuseEmail: network@sinfony6.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NETWO10276-ARIN
OrgRoutingHandle: NETWO10276-ARIN
OrgRoutingName: Network
OrgRoutingPhone: +17192984140
OrgRoutingEmail: network@sinfony6.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/NETWO10276-ARIN
OrgTechHandle: NETWO10276-ARIN
OrgTechName: Network
OrgTechPhone: +17192984140
OrgTechEmail: network@sinfony6.com
OrgTechRef: https://rdap.arin.net/registry/entity/NETWO10276-ARIN
OrgNOCHandle: NETWO10276-ARIN
OrgNOCName: Network
OrgNOCPhone: +17192984140
OrgNOCEmail: network@sinfony6.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NETWO10276-ARIN
OrgDNSHandle: NETWO10276-ARIN
OrgDNSName: Network
OrgDNSPhone: +17192984140
OrgDNSEmail: network@sinfony6.com
OrgDNSRef: https://rdap.arin.net/registry/entity/NETWO10276-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.
#