20340 CALLTOWER, US
Adjacency: 13 Upstream: 12 Downstream: 1
Upstream Adjacent AS list
AS37100 SEACOM-AS, MU
AS12552 IPO-EU, SE
AS13768 COGECO-PEER1, CA
AS2914 NTT-LTD-2914, US
AS174 COGENT-174, US
AS6939 HURRICANE, US
AS8220 COLT COLT Technology Services Group Limited, GB
AS7018 ATT-INTERNET4, US
AS16260 GTT-AUS, GB
AS3257 GTT-BACKBONE GTT, US
AS3356 LEVEL3, US
AS19855 MASERGY, US
Downstream Adjacent AS list
AS46168 CALLTOWER, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4822 AS20340 ORG+TRN Originate: 40192 /16.71 Transit: 256 /24.00 CALLTOWER, 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 % 12426 AS20340 CALLTOWER, US 20 4 1 17 3 15.00% Prefix AS Path Aggregation Suggestion 64.34.45.0/24 6939 20340 65.39.213.0/24 6939 20340 67.213.176.0/20 6939 20340 67.213.177.0/24 3257 16260 20340 67.213.179.0/24 3257 16260 20340 67.213.184.0/23 3257 20340 + Announce - aggregate of 67.213.184.0/24 (3257 20340) and 67.213.185.0/24 (3257 20340) 67.213.184.0/24 3257 20340 - Withdrawn - aggregated with 67.213.185.0/24 (3257 20340) 67.213.185.0/24 3257 20340 - Withdrawn - aggregated with 67.213.184.0/24 (3257 20340) 67.213.186.0/24 6939 20340 - Withdrawn - matching aggregate 67.213.176.0/20 6939 20340 67.213.187.0/24 2497 8220 20340 69.4.176.0/20 6939 20340 69.54.64.0/19 6939 20340 165.254.122.0/24 6939 20340 205.196.168.0/21 6939 20340 206.80.64.0/19 6939 20340 208.52.155.0/24 6939 20340 208.52.156.0/24 6939 20340 208.70.112.0/21 6939 20340 209.40.224.0/19 6939 20340 209.40.230.0/24 6939 20340 - Withdrawn - matching aggregate 209.40.224.0/19 6939 20340 209.40.252.0/24 293 3491 19855 20340
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS20340 3 More Specifics 12 Total Advertisements CALLTOWER, US
67.213.184.0/21 67.213.176.0/20
193.240.250.64/27 193.240.0.0/16
209.40.230.0/24 209.40.224.0/19
64.34.45.0/24 64.34.0.0/16
65.39.213.0/24 65.39.208.0/20
67.213.184.0/24 67.213.176.0/20
67.213.185.0/24 67.213.176.0/20
165.254.122.0/24 165.254.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 64.34.45.0/24 Withdrawn
- 65.39.213.0/24 Withdrawn
- 67.213.184.0/24 Withdrawn
- 67.213.185.0/24 Withdrawn
- 165.254.122.0/24 Withdrawn
whois: 402603
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
# 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: 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
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
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
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
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
#
# 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.
#