
23028 TEAM-CYMRU, US
Adjacency: 7 Upstream: 7 Downstream: 0
Upstream Adjacent AS list
AS23352 SERVERCENTRAL, US
AS37100 SEACOM-AS, MU
AS3741 IS, ZA
AS2914 NTT-LTD-2914, US
AS3257 GTT-BACKBONE GTT, US
AS6461 ZAYO-6461, US
AS6939 HURRICANE, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6393 AS23028 ORIGIN Originate: 23040 /17.51 Transit: 0 /0.00 TEAM-CYMRU, 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 % 3811 AS23028 TEAM-CYMRU, US 27 15 1 13 14 51.85% Prefix AS Path Aggregation Suggestion 38.229.33.0/24 3257 23028 38.229.252.0/24 2914 23028 68.22.187.0/24 3257 23028 192.138.226.0/24 3257 23028 203.28.18.0/24 3257 23028 204.74.64.0/24 3257 23028 216.31.0.0/18 3257 23028 216.31.0.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.1.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.2.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.3.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.4.0/24 6939 23028 216.31.6.0/23 6939 23028 + Announce - aggregate of 216.31.6.0/24 (6939 23028) and 216.31.7.0/24 (6939 23028) 216.31.6.0/24 6939 23028 - Withdrawn - aggregated with 216.31.7.0/24 (6939 23028) 216.31.7.0/24 6939 23028 - Withdrawn - aggregated with 216.31.6.0/24 (6939 23028) 216.31.8.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.9.0/24 6939 23028 216.31.12.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.13.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.14.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.15.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.17.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.18.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.20.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.36.0/24 6939 6461 23028 216.31.37.0/24 3257 23028 - Withdrawn - matching aggregate 216.31.0.0/18 3257 23028 216.31.38.0/24 2914 23028 216.31.39.0/24 6939 23028
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23028 9 More Specifics 12 Total Advertisements TEAM-CYMRU, US
38.229.0.0/16 38.0.0.0/8
38.229.1.0/24 38.0.0.0/8
38.229.33.0/24 38.0.0.0/8
68.22.187.0/24 68.20.0.0/14
204.74.64.0/24 204.74.64.0/23
209.176.111.0/24 209.176.0.0/16
216.31.2.0/24 216.31.0.0/18
216.31.32.0/24 216.31.0.0/18
216.90.108.0/24 216.88.0.0/14
38.229.32.0/19 38.0.0.0/8
38.229.224.0/19 38.0.0.0/8
38.229.252.0/24 38.0.0.0/8
216.31.0.0/24 216.31.0.0/18
216.31.1.0/24 216.31.0.0/18
216.31.3.0/24 216.31.0.0/18
216.31.4.0/24 216.31.0.0/18
216.31.6.0/24 216.31.0.0/18
216.31.7.0/24 216.31.0.0/18
216.31.8.0/24 216.31.0.0/18
216.31.9.0/24 216.31.0.0/18
216.31.12.0/24 216.31.0.0/18
216.31.13.0/24 216.31.0.0/18
216.31.14.0/24 216.31.0.0/18
216.31.15.0/24 216.31.0.0/18
216.31.16.0/24 216.31.0.0/18
216.31.17.0/24 216.31.0.0/18
216.31.18.0/24 216.31.0.0/18
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 38.229.0.0/16 Announced
+ 38.229.1.0/24 Announced
- 38.229.32.0/19 Withdrawn
- 38.229.224.0/19 Withdrawn
- 38.229.252.0/24 Withdrawn
- 216.31.0.0/24 Withdrawn
- 216.31.1.0/24 Withdrawn
- 216.31.3.0/24 Withdrawn
- 216.31.4.0/24 Withdrawn
- 216.31.6.0/24 Withdrawn
- 216.31.7.0/24 Withdrawn
- 216.31.8.0/24 Withdrawn
- 216.31.9.0/24 Withdrawn
- 216.31.12.0/24 Withdrawn
- 216.31.13.0/24 Withdrawn
- 216.31.14.0/24 Withdrawn
- 216.31.15.0/24 Withdrawn
- 216.31.16.0/24 Withdrawn
- 216.31.17.0/24 Withdrawn
- 216.31.18.0/24 Withdrawn
whois: 402603
IANA has recorded AS23028 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23028\n
#
# 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.
#
ASNumber: 23028
ASName: TEAM-CYMRU
ASHandle: AS23028
RegDate: 2002-01-04
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/23028
OrgName: Team Cymru Inc.
OrgId: TEAMC-1
Address: 901 International Parkway
Address: Suite 350
City: Lake Mary
StateProv: FL
PostalCode: 32746
Country: US
RegDate: 2005-08-12
Updated: 2024-11-25
Ref: https://rdap.arin.net/registry/entity/TEAMC-1
OrgAbuseHandle: NOC13461-ARIN
OrgAbuseName: NOC
OrgAbusePhone: +1-847-378-3300
OrgAbuseEmail: peering@cymru.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NOC13461-ARIN
OrgTechHandle: NOC13461-ARIN
OrgTechName: NOC
OrgTechPhone: +1-847-378-3300
OrgTechEmail: peering@cymru.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC13461-ARIN
OrgNOCHandle: NOC13461-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-847-378-3300
OrgNOCEmail: peering@cymru.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC13461-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.
#