16657 CROWNCASTLE-AS16657, US
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS46887 CROWNCASTLE-AS46887, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 44540 AS16657 ORIGIN Originate: 768 /22.42 Transit: 0 /0.00 CROWNCASTLE-AS16657, 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 % 34458 AS16657 CROWNCASTLE-AS16657, US 3 0 0 3 0 0.00% Prefix AS Path Aggregation Suggestion 151.181.32.0/24 7018 1299 46887 16657 151.181.36.0/24 7018 1299 46887 16657 208.69.87.0/24 7018 1299 46887 16657
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS16657 17 More Specifics 17 Total Advertisements FIBERTECH-NETWORKS-AS-ROC-NY-, US
8.29.210.0/24 8.16.0.0/12
69.195.32.0/24 69.195.32.0/19
69.195.44.0/23 69.195.32.0/19
74.113.55.0/24 74.113.48.0/21
97.107.172.0/24 97.107.160.0/20
151.181.32.0/24 151.181.32.0/19
151.181.36.0/24 151.181.32.0/19
151.181.38.0/24 151.181.32.0/19
151.181.39.0/24 151.181.32.0/19
151.181.40.0/24 151.181.32.0/19
151.181.68.0/22 151.181.64.0/19
173.225.48.0/24 173.225.48.0/20
173.225.51.0/24 173.225.48.0/20
173.225.60.0/24 173.225.48.0/20
208.69.87.0/24 208.69.84.0/22
208.99.241.0/24 208.99.240.0/20
209.164.156.0/24 209.164.128.0/18
69.195.46.0/24 69.195.32.0/19
74.113.49.0/24 74.113.48.0/21
97.107.169.0/24 97.107.160.0/20
97.107.175.0/24 97.107.160.0/20
151.181.40.0/22 151.181.32.0/19
173.225.49.0/24 173.225.48.0/20
208.49.40.0/21 208.49.0.0/16
208.69.84.0/23 208.69.84.0/22
208.69.84.0/24 208.69.84.0/22
208.69.85.0/24 208.69.84.0/22
208.99.245.0/24 208.99.240.0/20
208.99.253.0/24 208.99.240.0/20
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 69.195.46.0/24 Withdrawn
- 74.113.49.0/24 Withdrawn
- 97.107.169.0/24 Withdrawn
- 97.107.175.0/24 Withdrawn
- 151.181.40.0/22 Withdrawn
- 173.225.48.0/20 Withdrawn
- 173.225.49.0/24 Withdrawn
- 208.49.40.0/21 Withdrawn
- 208.69.84.0/23 Withdrawn
- 208.69.84.0/24 Withdrawn
- 208.69.85.0/24 Withdrawn
- 208.83.120.0/21 Withdrawn
- 208.99.240.0/20 Withdrawn
- 208.99.245.0/24 Withdrawn
- 208.99.253.0/24 Withdrawn
whois: 402590
IANA has recorded AS16657 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS16657\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: 16657
ASName: ZAYO-CCF-AS16657
ASHandle: AS16657
RegDate: 2005-06-29
Updated: 2026-06-01
Ref: https://rdap.arin.net/registry/autnum/16657
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.
#