
Report for 22637
Name
C-R-T - Zayo Bandwidth, US
AS Adjacency Report
In the context of this report "Upstream" indicates that there
is an adjacent AS that lines between the BGP table collection point
(in this case at AS6447) and the specified AS. Similarly,
"Downstream" refers to an adjacent AS that lies beyond the specified
AS. This upstream / downstream categorisation is strictly a description
relative topology, and should not be confused with provider / customer
/ peer inter-AS relationships.
22637 C-R-T, US
Adjacency: 5 Upstream: 1 Downstream: 4
Upstream Adjacent AS list
AS6461 ZAYO-6461, US
Downstream Adjacent AS list
AS23082 MPHI, US
AS20227 -Reserved AS-, ZZ
AS394573 GSFCS, US
AS395614 COL, US
Announced Prefixes
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description
78396 AS22637 TRANSIT Originate: 0 /0.00 Transit: 512 /23.00 C-R-T, US
Whois Entry
whois: 402603
IANA has recorded AS22637 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS22637\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: 22637
ASName: C-R-T
ASHandle: AS22637
RegDate: 2001-10-26
Updated: 2025-02-24
Ref: https://rdap.arin.net/registry/autnum/22637
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.
#
as-report v4.4 (gih) 24/02/14