
39974 --No Registry Entry--
Adjacency: 3 Upstream: 3 Downstream: 0
Upstream Adjacent AS list
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS13876 FIBER-64 - FiberLight, LLC, US
AS7459 GRANDECOM-AS1 - Grande Communications Networks, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 45049 AS39974 ORIGIN Originate: 768 /22.42 Transit: 0 /0.00 --No Registry Entry--
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 % 42253 AS39974 --No Registry Entry-- 3 0 0 3 0 0.00% Prefix AS Path Aggregation Suggestion 66.118.50.0/24 4777 2516 3257 7459 39974 66.118.51.0/24 4777 2516 3257 13876 39974 66.187.199.0/24 4777 2497 3356 39974
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS39974 3 More Specifics 3 Total Advertisements --No Registry Entry--
66.118.50.0/24 66.118.48.0/22
66.118.51.0/24 66.118.48.0/22
66.187.199.0/24 66.187.196.0/22
whois: 402603
IANA has recorded AS39974 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS39974\n
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No match found for -Vjw1.0,2401:2000:6660::13 39974.
#
# 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.
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