13631 CIG-AS, US
Adjacency: 13 Upstream: 13 Downstream: 0
Upstream Adjacent AS list
AS22652 FIBRENOIRE-INTERNET, CA
AS4657 STARHUB-INTERNET StarHub Ltd, SG
AS293 ESNET, US
AS21859 ZEN-ECN, US
AS6461 ZAYO-6461, US
AS1299 TWELVE99 Arelion, fka Telia Carrier, SE
AS1221 ASN-TELSTRA Telstra Limited, AU
AS13335 CLOUDFLARENET, US
AS174 COGENT-174, US
AS23764 CTGNET CTGNet, HK
AS3356 LEVEL3, US
AS8220 COLT COLT Technology Services Group Limited, GB
AS6939 HURRICANE, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 19171 AS13631 ORIGIN Originate: 3328 /20.30 Transit: 0 /0.00 CIG-AS, 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 % 20962 AS13631 CIG-AS, US 13 2 1 12 1 7.69% Prefix AS Path Aggregation Suggestion 38.57.54.0/24 2914 174 13631 46.255.29.0/24 57866 13335 13631 64.22.160.0/24 57866 13335 13631 64.22.161.0/24 22652 13631 64.22.164.0/24 293 13631 64.22.172.0/24 22652 13631 64.212.61.0/24 57866 3356 13631 103.187.70.0/24 6939 8220 13631 103.187.71.0/24 2914 23764 13631 194.59.56.0/23 6939 13631 + Announce - aggregate of 194.59.56.0/24 (6939 13631) and 194.59.57.0/24 (6939 13631) 194.59.56.0/24 6939 13631 - Withdrawn - aggregated with 194.59.57.0/24 (6939 13631) 194.59.57.0/24 6939 13631 - Withdrawn - aggregated with 194.59.56.0/24 (6939 13631) 202.130.214.0/24 3303 4637 1221 13631 216.52.14.0/24 6939 6461 13631
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS13631 9 More Specifics 10 Total Advertisements CIG-AS, US
8.244.5.0/24 8.244.0.0/14
64.22.160.0/24 64.22.160.0/20
64.22.161.0/24 64.22.160.0/20
64.22.164.0/24 64.22.160.0/20
64.22.172.0/24 64.22.160.0/20
64.212.61.0/24 64.212.0.0/15
103.187.70.0/24 103.187.70.0/23
104.218.138.0/24 104.218.136.0/21
113.29.40.192/27 113.29.0.0/17
38.57.54.0/24 38.0.0.0/8
103.187.71.0/24 103.187.70.0/23
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 8.244.5.0/24 Announced
+ 113.29.40.192/27 Announced
- 38.57.54.0/24 Withdrawn
- 103.187.71.0/24 Withdrawn
- 216.52.14.0/24 Withdrawn
whois: 402603
IANA has recorded AS13631 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS13631\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: 13631
ASName: CIG-AS
ASHandle: AS13631
RegDate: 2005-12-06
Updated: 2021-10-19
Ref: https://rdap.arin.net/registry/autnum/13631
OrgName: CITADEL ENTERPRISE AMERICAS LLC
OrgId: CIGL-4
Address: 131 S. Dearborn
City: Chicago
StateProv: IL
PostalCode: 60603
Country: US
RegDate: 2004-11-08
Updated: 2023-10-25
Ref: https://rdap.arin.net/registry/entity/CIGL-4
OrgTechHandle: CEN30-ARIN
OrgTechName: Core Engineering Networking
OrgTechPhone: +1-312-395-2525
OrgTechEmail: coreengineeringnetworking@citadel.com
OrgTechRef: https://rdap.arin.net/registry/entity/CEN30-ARIN
OrgAbuseHandle: COC2-ARIN
OrgAbuseName: Citadel Operations Center
OrgAbusePhone: +1-312-395-2525
OrgAbuseEmail: opcenter@citadel.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/COC2-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.
#