
33313 AS33313, US
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS174 COGENT-174, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 11068 AS33313 ORIGIN Originate: 8960 /18.87 Transit: 0 /0.00 AS33313, 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 % 5498 AS33313 AS33313, US 16 10 1 7 9 56.25% Prefix AS Path Aggregation Suggestion 8.3.234.0/24 49788 174 33313 38.82.195.0/24 49788 174 33313 38.82.200.0/22 2914 174 33313 38.82.202.0/24 2914 174 33313 - Withdrawn - matching aggregate 38.82.200.0/22 2914 174 33313 38.82.203.0/24 2914 174 33313 - Withdrawn - matching aggregate 38.82.200.0/22 2914 174 33313 38.91.120.0/21 2914 174 33313 38.91.122.0/24 2914 174 33313 - Withdrawn - matching aggregate 38.91.120.0/21 2914 174 33313 38.107.160.0/22 2914 174 33313 38.107.162.0/24 2914 174 33313 - Withdrawn - matching aggregate 38.107.160.0/22 2914 174 33313 38.128.72.0/21 2914 174 33313 + Announce - aggregate of 38.128.72.0/22 (2914 174 33313) and 38.128.76.0/22 (2914 174 33313) 38.128.72.0/22 2914 174 33313 - Withdrawn - aggregated with 38.128.76.0/22 (2914 174 33313) 38.128.72.0/24 2914 174 33313 - Withdrawn - matching aggregate 38.128.72.0/22 2914 174 33313 38.128.73.0/24 2914 174 33313 - Withdrawn - matching aggregate 38.128.72.0/22 2914 174 33313 38.128.76.0/22 2914 174 33313 - Withdrawn - aggregated with 38.128.72.0/22 (2914 174 33313) 38.128.78.0/24 2914 174 33313 - Withdrawn - matching aggregate 38.128.76.0/22 2914 174 33313 38.128.79.0/24 2914 174 33313 - Withdrawn - matching aggregate 38.128.76.0/22 2914 174 33313 209.194.251.0/24 2914 174 33313
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS33313 17 More Specifics 17 Total Advertisements WILCON, US
8.3.234.0/24 8.0.0.0/13
38.82.195.0/24 38.0.0.0/8
38.82.200.0/22 38.0.0.0/8
38.82.202.0/24 38.0.0.0/8
38.82.203.0/24 38.0.0.0/8
38.91.120.0/21 38.0.0.0/8
38.91.122.0/24 38.0.0.0/8
38.107.160.0/22 38.0.0.0/8
38.107.162.0/24 38.0.0.0/8
38.128.72.0/22 38.0.0.0/8
38.128.72.0/24 38.0.0.0/8
38.128.73.0/24 38.0.0.0/8
38.128.76.0/22 38.0.0.0/8
38.128.78.0/24 38.0.0.0/8
38.128.79.0/24 38.0.0.0/8
104.152.245.0/24 104.152.244.0/22
209.194.251.0/24 209.194.0.0/16
whois: 402590
IANA has recorded AS33313 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS33313\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.
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ASNumber: 33313
ASName: ZAYO-CCF-AS33313
ASHandle: AS33313
RegDate: 2013-06-24
Updated: 2026-06-01
Ref: https://rdap.arin.net/registry/autnum/33313
OrgName: Zayo Bandwidth
OrgId: ZAYOB
Address: 1401 Wynkoop St.
Address: #500
City: Denver
StateProv: CO
PostalCode: 80202
Country: US
RegDate: 2007-10-12
Updated: 2024-11-25
Ref: https://rdap.arin.net/registry/entity/ZAYOB
OrgTechHandle: ZIE-ARIN
OrgTechName: Zayo IP Engineering
OrgTechPhone: +1-866-236-2824
OrgTechEmail: ipeng@zayo.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZIE-ARIN
OrgAbuseHandle: ABUSE5675-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-866-236-2824
OrgAbuseEmail: abuse@zayo.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE5675-ARIN
OrgNOCHandle: ZIE-ARIN
OrgNOCName: Zayo IP Engineering
OrgNOCPhone: +1-866-236-2824
OrgNOCEmail: ipeng@zayo.com
OrgNOCRef: https://rdap.arin.net/registry/entity/ZIE-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.
#