
13968 CAISO-NET-BLK, US
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS55002 DEFENSE-NET, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 24643 AS13968 ORIGIN Originate: 2048 /21.00 Transit: 0 /0.00 CAISO-NET-BLK, 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 % 20997 AS13968 CAISO-NET-BLK, US 8 2 1 7 1 12.50% Prefix AS Path Aggregation Suggestion 12.200.57.0/24 2914 35280 55002 13968 13968 13968 13968 13968 13968 12.200.60.0/24 22652 35280 55002 13968 13968 13968 13968 13968 13968 12.231.58.0/24 2914 35280 55002 13968 13968 13968 13968 13968 13968 45.42.16.0/24 2914 35280 55002 13968 13968 13968 13968 13968 13968 45.42.17.0/24 6939 35280 55002 13968 13968 13968 13968 13968 13968 13968 45.42.19.0/24 2914 35280 55002 13968 13968 13968 13968 13968 13968 45.42.22.0/23 2914 35280 55002 13968 13968 13968 13968 13968 13968 + Announce - aggregate of 45.42.22.0/24 (2914 35280 55002 13968 13968 13968 13968 13968 13968) and 45.42.23.0/24 (2914 35280 55002 13968 13968 13968 13968 13968 13968) 45.42.22.0/24 2914 35280 55002 13968 13968 13968 13968 13968 13968 - Withdrawn - aggregated with 45.42.23.0/24 (2914 35280 55002 13968 13968 13968 13968 13968 13968) 45.42.23.0/24 2914 35280 55002 13968 13968 13968 13968 13968 13968 - Withdrawn - aggregated with 45.42.22.0/24 (2914 35280 55002 13968 13968 13968 13968 13968 13968)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS13968 7 More Specifics 7 Total Advertisements CAISO-NET-BLK, US
12.200.57.0/24 12.0.0.0/8
12.200.60.0/24 12.0.0.0/8
12.231.58.0/24 12.0.0.0/8
45.42.16.0/24 45.42.16.0/21
45.42.17.0/24 45.42.16.0/21
45.42.22.0/24 45.42.16.0/21
45.42.23.0/24 45.42.16.0/21
whois: 402590
IANA has recorded AS13968 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS13968\n
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 13968
ASName: CAISO-NET-BLK
ASHandle: AS13968
RegDate: 1999-09-24
Updated: 2023-07-11
Ref: https://rdap.arin.net/registry/autnum/13968
OrgName: CALIFORNIA ISO
OrgId: CALIFO-22
Address: 250 Outcropping Way
City: Folsom
StateProv: CA
PostalCode: 95630
Country: US
RegDate: 1999-09-24
Updated: 2023-07-11
Ref: https://rdap.arin.net/registry/entity/CALIFO-22
OrgAbuseHandle: RMM3-ARIN
OrgAbuseName: Melis, Robert Michael
OrgAbusePhone: +1-916-351-2372
OrgAbuseEmail: rmelis@caiso.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/RMM3-ARIN
OrgNOCHandle: LIMDA5-ARIN
OrgNOCName: Lim, Danny
OrgNOCPhone: +1-916-293-2962
OrgNOCEmail: ylim@caiso.com
OrgNOCRef: https://rdap.arin.net/registry/entity/LIMDA5-ARIN
OrgTechHandle: LIMDA5-ARIN
OrgTechName: Lim, Danny
OrgTechPhone: +1-916-293-2962
OrgTechEmail: ylim@caiso.com
OrgTechRef: https://rdap.arin.net/registry/entity/LIMDA5-ARIN
OrgTechHandle: RMM3-ARIN
OrgTechName: Melis, Robert Michael
OrgTechPhone: +1-916-351-2372
OrgTechEmail: rmelis@caiso.com
OrgTechRef: https://rdap.arin.net/registry/entity/RMM3-ARIN
OrgRoutingHandle: LIMDA5-ARIN
OrgRoutingName: Lim, Danny
OrgRoutingPhone: +1-916-293-2962
OrgRoutingEmail: ylim@caiso.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/LIMDA5-ARIN
OrgDNSHandle: LIMDA5-ARIN
OrgDNSName: Lim, Danny
OrgDNSPhone: +1-916-293-2962
OrgDNSEmail: ylim@caiso.com
OrgDNSRef: https://rdap.arin.net/registry/entity/LIMDA5-ARIN
OrgAbuseHandle: LIMDA5-ARIN
OrgAbuseName: Lim, Danny
OrgAbusePhone: +1-916-293-2962
OrgAbuseEmail: ylim@caiso.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/LIMDA5-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.
#