3958 AIRCANADA, CA
Adjacency: 6 Upstream: 6 Downstream: 0
Upstream Adjacent AS list
AS577 BACOM, CA
AS2685 ATGS-MMD-AS, US
AS2686 ATGS-MMD-AS, US
AS855 CANET-ASN-4, CA
AS7018 ATT-INTERNET4, US
AS6461 ZAYO-6461, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 8651 AS3958 ORIGIN Originate: 13824 /18.25 Transit: 0 /0.00 AIRCANADA, CA
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 % 8470 AS3958 AIRCANADA, CA 21 10 5 16 5 23.81% Prefix AS Path Aggregation Suggestion 142.147.16.0/20 3303 577 3958 142.147.32.0/20 3303 577 3958 159.206.65.0/24 3303 577 3958 159.206.66.0/24 7018 3958 159.206.67.0/24 6939 6461 3958 159.206.80.0/23 3303 577 3958 + Announce - aggregate of 159.206.80.0/24 (3303 577 3958) and 159.206.81.0/24 (3303 577 3958) 159.206.80.0/24 3303 577 3958 - Withdrawn - aggregated with 159.206.81.0/24 (3303 577 3958) 159.206.81.0/24 3303 577 3958 - Withdrawn - aggregated with 159.206.80.0/24 (3303 577 3958) 159.206.82.0/24 3303 577 3958 159.206.83.0/24 2497 6461 3958 3958 159.206.84.0/23 3303 577 3958 + Announce - aggregate of 159.206.84.0/24 (3303 577 3958) and 159.206.85.0/24 (3303 577 3958) 159.206.84.0/24 3303 577 3958 - Withdrawn - aggregated with 159.206.85.0/24 (3303 577 3958) 159.206.85.0/24 3303 577 3958 - Withdrawn - aggregated with 159.206.84.0/24 (3303 577 3958) 159.206.86.0/23 2497 6461 3958 + Announce - aggregate of 159.206.86.0/24 (2497 6461 3958) and 159.206.87.0/24 (2497 6461 3958) 159.206.86.0/24 2497 6461 3958 - Withdrawn - aggregated with 159.206.87.0/24 (2497 6461 3958) 159.206.87.0/24 2497 6461 3958 - Withdrawn - aggregated with 159.206.86.0/24 (2497 6461 3958) 159.206.88.0/23 3303 577 3958 + Announce - aggregate of 159.206.88.0/24 (3303 577 3958) and 159.206.89.0/24 (3303 577 3958) 159.206.88.0/24 3303 577 3958 - Withdrawn - aggregated with 159.206.89.0/24 (3303 577 3958) 159.206.89.0/24 3303 577 3958 - Withdrawn - aggregated with 159.206.88.0/24 (3303 577 3958) 159.206.94.0/23 3303 577 3958 + Announce - aggregate of 159.206.94.0/24 (3303 577 3958) and 159.206.95.0/24 (3303 577 3958) 159.206.94.0/24 3303 577 3958 - Withdrawn - aggregated with 159.206.95.0/24 (3303 577 3958) 159.206.95.0/24 3303 577 3958 - Withdrawn - aggregated with 159.206.94.0/24 (3303 577 3958) 159.206.116.0/22 6939 577 3958 3958 3958 3958 159.206.116.0/24 6939 577 3958 159.206.120.0/24 3257 855 3958 159.206.124.0/24 3257 855 3958
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS3958 10 More Specifics 12 Total Advertisements AIRCANADA, CA
159.206.80.0/24 159.206.0.0/16
159.206.81.0/24 159.206.0.0/16
159.206.82.0/24 159.206.0.0/16
159.206.83.0/24 159.206.0.0/16
159.206.84.0/24 159.206.0.0/16
159.206.85.0/24 159.206.0.0/16
159.206.86.0/24 159.206.0.0/16
159.206.87.0/24 159.206.0.0/16
159.206.88.0/24 159.206.0.0/16
159.206.89.0/24 159.206.0.0/16
159.206.94.0/24 159.206.0.0/16
159.206.95.0/24 159.206.0.0/16
159.206.116.0/22 159.206.0.0/16
159.206.116.0/24 159.206.0.0/16
159.206.118.0/24 159.206.0.0/16
159.206.120.0/24 159.206.0.0/16
159.206.124.0/24 159.206.0.0/16
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 159.206.94.0/24 Withdrawn
- 159.206.95.0/24 Withdrawn
- 159.206.116.0/22 Withdrawn
- 159.206.116.0/24 Withdrawn
- 159.206.118.0/24 Withdrawn
- 159.206.120.0/24 Withdrawn
- 159.206.124.0/24 Withdrawn
whois: 402603
IANA has recorded AS3958 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS3958\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: 3958
ASName: AIRCANADA
ASHandle: AS3958
RegDate: 1994-10-21
Updated: 1996-07-22
Ref: https://rdap.arin.net/registry/autnum/3958
OrgName: Air Canada
OrgId: AIRCAN-2
Address: Air Canada Dorval Base
Address: Zip 075
City: Dorval
StateProv: QC
PostalCode: H4Y 1C2
Country: CA
RegDate: 1994-10-21
Updated: 2025-10-23
Ref: https://rdap.arin.net/registry/entity/AIRCAN-2
OrgAbuseHandle: BASCI-ARIN
OrgAbuseName: Basciano, Vincent
OrgAbusePhone: +1-514-422-5243
OrgAbuseEmail: vincent.basciano@aircanada.ca
OrgAbuseRef: https://rdap.arin.net/registry/entity/BASCI-ARIN
OrgNOCHandle: BASCI-ARIN
OrgNOCName: Basciano, Vincent
OrgNOCPhone: +1-514-422-5243
OrgNOCEmail: vincent.basciano@aircanada.ca
OrgNOCRef: https://rdap.arin.net/registry/entity/BASCI-ARIN
OrgTechHandle: BASCI-ARIN
OrgTechName: Basciano, Vincent
OrgTechPhone: +1-514-422-5243
OrgTechEmail: vincent.basciano@aircanada.ca
OrgTechRef: https://rdap.arin.net/registry/entity/BASCI-ARIN
RTechHandle: BH1563-ARIN
RTechName: Hotte, Benoit
RTechPhone: +1-514-422-5085
RTechEmail: bhot@ca.ibm.com
RTechRef: https://rdap.arin.net/registry/entity/BH1563-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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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