31835 CONTOUR-NETWORKS - Contour Networks, US
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS174 COGENT-174 - Cogent Communications, LLC, US
AS701 UUNET - Verizon Business, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 14337 AS31835 ORIGIN Originate: 5632 /19.54 Transit: 0 /0.00 CONTOUR-NETWORKS - Contour Networks, 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 % 10057 AS31835 CONTOUR-NETWORKS - Contour Networks, US 9 5 1 5 4 44.44% Prefix AS Path Aggregation Suggestion 66.239.111.0/24 4777 2516 701 31835 74.115.152.0/21 4777 2516 174 31835 74.115.152.0/21 4777 2516 701 31835 + Announce - aggregate of 74.115.152.0/22 (4777 2516 701 31835) and 74.115.156.0/22 (4777 2516 701 31835) 74.115.152.0/22 4777 2516 701 31835 - Withdrawn - aggregated with 74.115.156.0/22 (4777 2516 701 31835) 74.115.155.0/24 4777 2516 174 31835 74.115.156.0/24 4777 2516 701 31835 - Withdrawn - aggregated with 74.115.157.0/24 (4777 2516 701 31835) 74.115.157.0/24 4777 2516 701 31835 - Withdrawn - aggregated with 74.115.156.0/24 (4777 2516 701 31835) 74.115.158.0/24 4777 2516 701 31835 - Withdrawn - aggregated with 74.115.159.0/24 (4777 2516 701 31835) 74.115.159.0/24 4777 2516 701 31835 - Withdrawn - aggregated with 74.115.158.0/24 (4777 2516 701 31835) 209.49.92.0/22 4777 2516 701 31835
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS31835 8 More Specifics 9 Total Advertisements CONTOUR-NETWORKS - Contour Networks, US
66.239.111.0/24 66.236.0.0/14
74.115.152.0/22 74.115.152.0/21
74.115.155.0/24 74.115.152.0/21
74.115.156.0/24 74.115.152.0/21
74.115.157.0/24 74.115.152.0/21
74.115.158.0/24 74.115.152.0/21
74.115.159.0/24 74.115.152.0/21
209.49.92.0/22 209.48.0.0/15
whois: 402613
IANA has recorded AS31835 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS31835\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: 31835
ASName: CONTOUR-NETWORKS
ASHandle: AS31835
RegDate: 2009-06-04
Updated: 2012-03-02
Comment: NETWO2480-ARIN
Ref: https://rdap.arin.net/registry/autnum/31835
OrgName: Contour Networks
OrgId: CSCT-1
Address: 61 Inverness Drive East
Address: Suite 100
City: Englewood
StateProv: CO
PostalCode: 80112
Country: US
RegDate: 2008-06-05
Updated: 2024-11-25
Ref: https://rdap.arin.net/registry/entity/CSCT-1
OrgDNSHandle: JPR103-ARIN
OrgDNSName: Prouty, Jason
OrgDNSPhone: +1-303-928-1588
OrgDNSEmail: jprouty@cctus.com
OrgDNSRef: https://rdap.arin.net/registry/entity/JPR103-ARIN
OrgAbuseHandle: OBREY-ARIN
OrgAbuseName: Obrey, Justice
OrgAbusePhone: +1-303-928-1594
OrgAbuseEmail: jobrey@contournetworks.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/OBREY-ARIN
OrgNOCHandle: JPR103-ARIN
OrgNOCName: Prouty, Jason
OrgNOCPhone: +1-303-928-1588
OrgNOCEmail: jprouty@cctus.com
OrgNOCRef: https://rdap.arin.net/registry/entity/JPR103-ARIN
OrgNOCHandle: OBREY-ARIN
OrgNOCName: Obrey, Justice
OrgNOCPhone: +1-303-928-1594
OrgNOCEmail: jobrey@contournetworks.com
OrgNOCRef: https://rdap.arin.net/registry/entity/OBREY-ARIN
OrgTechHandle: GDE55-ARIN
OrgTechName: Deickman, Greg
OrgTechPhone: +1-303-708-9233
OrgTechEmail: gdeickman@contournetworks.com
OrgTechRef: https://rdap.arin.net/registry/entity/GDE55-ARIN
OrgTechHandle: OBREY-ARIN
OrgTechName: Obrey, Justice
OrgTechPhone: +1-303-928-1594
OrgTechEmail: jobrey@contournetworks.com
OrgTechRef: https://rdap.arin.net/registry/entity/OBREY-ARIN
OrgTechHandle: JPR103-ARIN
OrgTechName: Prouty, Jason
OrgTechPhone: +1-303-928-1588
OrgTechEmail: jprouty@cctus.com
OrgTechRef: https://rdap.arin.net/registry/entity/JPR103-ARIN
OrgAbuseHandle: GDE55-ARIN
OrgAbuseName: Deickman, Greg
OrgAbusePhone: +1-303-708-9233
OrgAbuseEmail: gdeickman@contournetworks.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/GDE55-ARIN
OrgAbuseHandle: JPR103-ARIN
OrgAbuseName: Prouty, Jason
OrgAbusePhone: +1-303-928-1588
OrgAbuseEmail: jprouty@cctus.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/JPR103-ARIN
RNOCHandle: NETWO2480-ARIN
RNOCName: Network Administrator
RNOCPhone: +1-404-347-8350
RNOCEmail: administrator@contournetworks.com
RNOCRef: https://rdap.arin.net/registry/entity/NETWO2480-ARIN
RTechHandle: NETWO2480-ARIN
RTechName: Network Administrator
RTechPhone: +1-404-347-8350
RTechEmail: administrator@contournetworks.com
RTechRef: https://rdap.arin.net/registry/entity/NETWO2480-ARIN
RAbuseHandle: NETWO2480-ARIN
RAbuseName: Network Administrator
RAbusePhone: +1-404-347-8350
RAbuseEmail: administrator@contournetworks.com
RAbuseRef: https://rdap.arin.net/registry/entity/NETWO2480-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.
#