
20340 CALLTOWER - CallTower, Inc., US
Adjacency: 7 Upstream: 6 Downstream: 1
Upstream Adjacent AS list
AS19855 MASERGY - Masergy Communications, Inc., US
AS16260 GTT-AUS, GB
AS3257 GTT-BACKBONE GTT, US
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS8220 COLT COLT Technology Services Group Limited, GB
AS6939 HURRICANE - Hurricane Electric LLC, US
Downstream Adjacent AS list
AS46168 CALLTOWER - CallTower, Inc., US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4784 AS20340 ORG+TRN Originate: 39936 /16.71 Transit: 256 /24.00 CALLTOWER - CallTower, Inc., 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 % 20982 AS20340 CALLTOWER - CallTower, Inc., US 19 2 1 18 1 5.26% Prefix AS Path Aggregation Suggestion 64.34.45.0/24 4777 6939 20340 65.39.213.0/24 4777 6939 20340 67.213.176.0/20 4777 6939 20340 67.213.177.0/24 4777 2516 3356 20340 67.213.179.0/24 4608 24115 16260 3257 20340 67.213.184.0/24 4777 2516 3257 20340 67.213.185.0/24 4777 2497 3257 20340 67.213.186.0/23 4777 2516 8220 20340 + Announce - aggregate of 67.213.186.0/24 (4777 2516 8220 20340) and 67.213.187.0/24 (4777 2516 8220 20340) 67.213.186.0/24 4777 2516 8220 20340 - Withdrawn - aggregated with 67.213.187.0/24 (4777 2516 8220 20340) 67.213.187.0/24 4777 2516 8220 20340 - Withdrawn - aggregated with 67.213.186.0/24 (4777 2516 8220 20340) 69.4.176.0/20 4777 6939 20340 69.54.64.0/19 4777 6939 20340 165.254.122.0/24 4777 6939 20340 205.196.168.0/21 4777 6939 20340 206.80.64.0/19 4777 6939 20340 208.52.155.0/24 4777 6939 20340 208.52.156.0/24 4777 6939 20340 208.70.112.0/21 4777 6939 20340 209.40.224.0/19 4777 6939 20340 209.40.252.0/24 4777 2497 3491 19855 20340
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS20340 10 More Specifics 19 Total Advertisements CALLTOWER - CallTower, Inc., US
64.34.45.0/24 64.34.32.0/20
65.39.213.0/24 65.39.208.0/21
67.213.177.0/24 67.213.176.0/20
67.213.179.0/24 67.213.176.0/20
67.213.184.0/24 67.213.176.0/20
67.213.185.0/24 67.213.176.0/20
67.213.186.0/24 67.213.176.0/20
67.213.187.0/24 67.213.176.0/20
165.254.122.0/24 165.254.0.0/16
209.40.252.0/24 209.40.224.0/19
whois: 402332
IANA has recorded AS20340 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS20340\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
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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: 20340
ASName: CALLTOWER
ASHandle: AS20340
RegDate: 2001-04-25
Updated: 2025-11-21
Ref: https://rdap.arin.net/registry/autnum/20340
OrgName: CallTower, Inc.
OrgId: CALLT
Address: 10701 South River Front Parkway, Suite 450
City: Sandy
StateProv: UT
PostalCode: 84095
Country: US
RegDate: 2002-10-17
Updated: 2024-01-16
Ref: https://rdap.arin.net/registry/entity/CALLT
OrgTechHandle: TECHN539-ARIN
OrgTechName: tech-noc
OrgTechPhone: +1-866-586-4700
OrgTechEmail: net@calltower.com
OrgTechRef: https://rdap.arin.net/registry/entity/TECHN539-ARIN
OrgTechHandle: GJL9-ARIN
OrgTechName: Gordnier Jr., Louis
OrgTechPhone: +1-585-563-5563
OrgTechEmail: lgordnier@calltower.com
OrgTechRef: https://rdap.arin.net/registry/entity/GJL9-ARIN
OrgAbuseHandle: IPABU34-ARIN
OrgAbuseName: IP Abuse
OrgAbusePhone: +1-801-597-5234
OrgAbuseEmail: ip-abuse@calltower.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/IPABU34-ARIN
OrgTechHandle: DASTR2-ARIN
OrgTechName: Dastrup, James
OrgTechPhone: +1-385-259-6202
OrgTechEmail: jdastrup@calltower.com
OrgTechRef: https://rdap.arin.net/registry/entity/DASTR2-ARIN
OrgTechHandle: JWB88-ARIN
OrgTechName: Barrett, Jack W
OrgTechPhone: +1-800-347-5444
OrgTechEmail: jbarrett@calltower.com
OrgTechRef: https://rdap.arin.net/registry/entity/JWB88-ARIN
OrgNOCHandle: TECHN539-ARIN
OrgNOCName: tech-noc
OrgNOCPhone: +1-866-586-4700
OrgNOCEmail: net@calltower.com
OrgNOCRef: https://rdap.arin.net/registry/entity/TECHN539-ARIN
OrgTechHandle: VBJ14-ARIN
OrgTechName: Van Bortel, Jeremy
OrgTechPhone: +1-585-563-1645
OrgTechEmail: jvanbortel@calltower.com
OrgTechRef: https://rdap.arin.net/registry/entity/VBJ14-ARIN
OrgTechHandle: TAYLO1490-ARIN
OrgTechName: Taylor, Chris
OrgTechPhone: +1-801-934-3731
OrgTechEmail: ctaylor@calltower.com
OrgTechRef: https://rdap.arin.net/registry/entity/TAYLO1490-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.
#