21743 ANL-36, US
Adjacency: 5 Upstream: 4 Downstream: 1
Upstream Adjacent AS list
AS3130 RGNET-SEA RGnet Seattle Westin, EE
AS6939 HURRICANE, US
AS2914 NTT-LTD-2914, US
AS3257 GTT-BACKBONE GTT, US
Downstream Adjacent AS list
AS395664 ALTIUS-INSTITUTE-FOR-BIOMEDICAL-SCIENCES, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6929 AS21743 ORIGIN Originate: 19968 /17.71 Transit: 0 /0.00 ANL-36, 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 % 36131 AS21743 ANL-36, US 20 0 0 20 0 0.00% Prefix AS Path Aggregation Suggestion 45.42.141.0/24 3257 21743 45.42.142.0/24 3257 21743 66.93.14.0/24 2914 21743 66.170.184.0/21 3257 21743 66.171.176.0/20 2914 21743 66.248.243.0/24 3257 21743 69.5.52.0/22 3257 21743 91.234.156.0/22 3257 21743 104.36.44.0/22 2914 21743 104.192.204.0/22 3257 21743 104.247.120.0/22 3257 21743 104.254.210.0/23 3257 21743 104.255.0.0/22 3257 21743 149.18.8.0/22 3257 21743 154.6.48.0/22 2914 21743 161.129.176.0/24 3257 21743 199.231.240.0/21 3257 21743 209.200.234.0/23 3257 21743 216.75.151.0/24 3257 21743 216.247.100.0/22 3257 21743
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS21743 6 More Specifics 14 Total Advertisements ANL-36, US
45.42.141.0/24 45.42.140.0/22
45.42.142.0/24 45.42.140.0/22
64.84.124.0/22 64.84.96.0/19
66.248.243.0/24 66.248.240.0/22
104.247.120.0/24 104.247.120.0/22
206.206.96.0/23 206.206.64.0/18
64.84.104.0/22 64.84.96.0/19
130.254.44.0/22 130.254.32.0/20
166.0.72.0/22 166.0.0.0/15
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 64.84.124.0/22 Announced
+ 104.247.120.0/24 Announced
+ 206.206.96.0/23 Announced
- 64.84.104.0/22 Withdrawn
- 104.247.120.0/22 Withdrawn
- 130.254.44.0/22 Withdrawn
- 166.0.72.0/22 Withdrawn
whois: 402603
IANA has recorded AS21743 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS21743\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: 21743
ASName: ANL-36
ASHandle: AS21743
RegDate: 2011-01-20
Updated: 2014-08-05
Ref: https://rdap.arin.net/registry/autnum/21743
OrgName: Atlas Networks Corporation
OrgId: ANL-36
Address: 2700 4th Ave S
Address: Suite C
City: Seattle
StateProv: WA
PostalCode: 98134
Country: US
RegDate: 2010-11-08
Updated: 2022-05-31
Ref: https://rdap.arin.net/registry/entity/ANL-36
OrgAbuseHandle: ANA68-ARIN
OrgAbuseName: Atlas Networks Abuse
OrgAbusePhone: +1-206-395-7222
OrgAbuseEmail: abuse@atlasnet.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ANA68-ARIN
OrgNOCHandle: ANS7-ARIN
OrgNOCName: Atlas Networks Support
OrgNOCPhone: +1-206-395-7222
OrgNOCEmail: support@atlasnet.com
OrgNOCRef: https://rdap.arin.net/registry/entity/ANS7-ARIN
OrgTechHandle: ANS7-ARIN
OrgTechName: Atlas Networks Support
OrgTechPhone: +1-206-395-7222
OrgTechEmail: support@atlasnet.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANS7-ARIN
RNOCHandle: ANS7-ARIN
RNOCName: Atlas Networks Support
RNOCPhone: +1-206-395-7222
RNOCEmail: support@atlasnet.com
RNOCRef: https://rdap.arin.net/registry/entity/ANS7-ARIN
RAbuseHandle: ANS7-ARIN
RAbuseName: Atlas Networks Support
RAbusePhone: +1-206-395-7222
RAbuseEmail: support@atlasnet.com
RAbuseRef: https://rdap.arin.net/registry/entity/ANS7-ARIN
RTechHandle: ANS7-ARIN
RTechName: Atlas Networks Support
RTechPhone: +1-206-395-7222
RTechEmail: support@atlasnet.com
RTechRef: https://rdap.arin.net/registry/entity/ANS7-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.
#