11994 CZIO-ASN, US
Adjacency: 7 Upstream: 2 Downstream: 5
Upstream Adjacent AS list
AS11404 AS-WAVE-1, US
AS6939 HURRICANE, US
Downstream Adjacent AS list
AS36437 SCC-44, US
AS23271 CITY-OF-WATSONVILLE, US
AS27348 SURFNET-1, US
AS54474 CITY-OF-SANTA-CRUZ, US
AS396480 MEADOWRIDGE-NETWORKS, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4570 AS11994 ORG+TRN Originate: 45312 /16.53 Transit: 2048 /21.00 CZIO-ASN, 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 % 5398 AS11994 CZIO-ASN, US 23 11 2 14 9 39.13% Prefix AS Path Aggregation Suggestion 44.31.128.0/22 6939 11994 63.249.64.0/18 6939 11994 68.170.176.0/20 6939 11994 68.170.176.0/21 6939 11994 - Withdrawn - matching aggregate 68.170.176.0/20 6939 11994 69.27.176.0/20 6939 11404 11994 69.27.176.0/23 6939 11994 + Announce - aggregate of 69.27.176.0/24 (6939 11994) and 69.27.177.0/24 (6939 11994) 69.27.176.0/24 6939 11994 - Withdrawn - aggregated with 69.27.177.0/24 (6939 11994) 69.27.177.0/24 6939 11994 - Withdrawn - aggregated with 69.27.176.0/24 (6939 11994) 69.27.180.0/22 6939 11994 69.27.184.0/21 6939 11994 + Announce - aggregate of 69.27.184.0/22 (6939 11994) and 69.27.188.0/22 (6939 11994) 69.27.184.0/22 6939 11994 - Withdrawn - aggregated with 69.27.188.0/22 (6939 11994) 69.27.188.0/22 6939 11994 - Withdrawn - aggregated with 69.27.184.0/22 (6939 11994) 74.220.64.0/20 6939 11994 192.135.76.0/24 6939 11994 192.135.198.0/24 6939 11994 198.202.199.0/24 6939 11994 198.232.247.0/24 6939 11994 199.73.112.0/22 6939 11994 216.173.128.0/20 6939 11994 216.173.129.0/24 6939 11994 - Withdrawn - matching aggregate 216.173.128.0/20 6939 11994 216.173.130.0/23 6939 11994 - Withdrawn - matching aggregate 216.173.128.0/20 6939 11994 216.173.132.0/24 6939 11994 - Withdrawn - matching aggregate 216.173.128.0/20 6939 11994 216.173.133.0/24 6939 11994 - Withdrawn - matching aggregate 216.173.128.0/20 6939 11994 216.173.134.0/23 6939 11994 - Withdrawn - matching aggregate 216.173.128.0/20 6939 11994 216.173.136.0/21 6939 11994 - Withdrawn - matching aggregate 216.173.128.0/20 6939 11994
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS11994 24 More Specifics 32 Total Advertisements CZIO-ASN, US
44.31.128.0/22 44.0.0.0/9
63.249.80.0/22 63.249.64.0/18
63.249.92.0/22 63.249.64.0/18
63.249.96.0/21 63.249.64.0/18
63.249.104.0/23 63.249.64.0/18
63.249.120.0/21 63.249.64.0/18
63.249.124.0/24 63.249.64.0/18
63.249.127.0/24 63.249.64.0/18
216.173.128.0/24 216.173.128.0/20
216.173.129.0/24 216.173.128.0/20
216.173.130.0/24 216.173.128.0/20
216.173.131.0/24 216.173.128.0/20
216.173.132.0/24 216.173.128.0/20
216.173.133.0/24 216.173.128.0/20
216.173.134.0/24 216.173.128.0/20
216.173.135.0/24 216.173.128.0/20
216.173.136.0/24 216.173.128.0/20
216.173.137.0/24 216.173.128.0/20
216.173.138.0/24 216.173.128.0/20
216.173.139.0/24 216.173.128.0/20
216.173.140.0/24 216.173.128.0/20
216.173.141.0/24 216.173.128.0/20
216.173.142.0/24 216.173.128.0/20
216.173.143.0/24 216.173.128.0/20
68.170.176.0/21 68.170.176.0/20
69.27.176.0/24 69.27.176.0/20
69.27.177.0/24 69.27.176.0/20
69.27.180.0/22 69.27.176.0/20
69.27.184.0/22 69.27.176.0/20
69.27.188.0/22 69.27.176.0/20
216.173.130.0/23 216.173.128.0/20
216.173.134.0/23 216.173.128.0/20
216.173.136.0/21 216.173.128.0/20
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 63.249.104.0/23 Announced
+ 63.249.124.0/24 Announced
+ 63.249.127.0/24 Announced
+ 68.170.176.0/20 Announced
+ 216.173.128.0/20 Announced
+ 216.173.130.0/24 Announced
+ 216.173.131.0/24 Announced
+ 216.173.134.0/24 Announced
+ 216.173.135.0/24 Announced
+ 216.173.136.0/24 Announced
+ 216.173.137.0/24 Announced
+ 216.173.138.0/24 Announced
+ 216.173.139.0/24 Announced
+ 216.173.140.0/24 Announced
+ 216.173.141.0/24 Announced
+ 216.173.142.0/24 Announced
+ 216.173.143.0/24 Announced
- 68.170.176.0/21 Withdrawn
- 69.27.176.0/20 Withdrawn
- 69.27.176.0/24 Withdrawn
- 69.27.177.0/24 Withdrawn
- 69.27.180.0/22 Withdrawn
- 69.27.184.0/22 Withdrawn
- 69.27.188.0/22 Withdrawn
- 199.73.112.0/22 Withdrawn
- 216.173.130.0/23 Withdrawn
- 216.173.134.0/23 Withdrawn
- 216.173.136.0/21 Withdrawn
whois: 402603
IANA has recorded AS11994 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS11994\n
#
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 11994
ASName: CZIO-ASN
ASHandle: AS11994
RegDate: 2006-09-18
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/11994
OrgName: Cruzio
OrgId: CZIO
Address: 877 Cedar St.
Address: Suite 150
City: Santa Cruz
StateProv: CA
PostalCode: 95060
Country: US
RegDate: 2000-12-15
Updated: 2024-11-25
Ref: https://rdap.arin.net/registry/entity/CZIO
OrgTechHandle: ARINA300-ARIN
OrgTechName: Arin Administrator
OrgTechPhone: +1-831-459-6301
OrgTechEmail: arin@cruzio.com
OrgTechRef: https://rdap.arin.net/registry/entity/ARINA300-ARIN
OrgAbuseHandle: ABUSE8225-ARIN
OrgAbuseName: Abuse Administrator
OrgAbusePhone: +1-831-459-6301
OrgAbuseEmail: abuse@cruzio.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE8225-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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