ASN Lookup Tool

Team Cymru Inc. cymru.com US US 45 Routes

AS Data

AS23028

AS23028 – Team Cymru Inc.

AS Number 23028
AS Name TEAM-CYMRU
Organization Team Cymru Inc. (teamc-1)
Country US
Website cymru.com
Number of IPv4 Routes 28
Number of IPv6 Routes 17
ASN type BUSINESS
Registry ARIN
Date Allocated 2002-01-04

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Use ASN data for AS23028 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
38.229.33.0/24 256
216.31.12.0/24 256
216.31.38.0/24 256
2604:8800:68::/48 ~1×10²⁴
216.31.8.0/24 256
216.31.20.0/24 256
2604:8800:50::/47 ~2×10²⁴
2604:8800:20::/48 ~1×10²⁴
204.74.64.0/24 256
216.31.17.0/24 256
216.31.4.0/24 256
216.31.7.0/24 256
216.31.13.0/24 256
203.28.18.0/24 256
216.31.39.0/24 256
2604:8800:69::/48 ~1×10²⁴
2604:8800:71::/48 ~1×10²⁴
2620:0:6b0::/48 ~1×10²⁴
216.31.3.0/24 256
216.31.1.0/24 256
2604:8800:66::/48 ~1×10²⁴
2604:8800:53::/48 ~1×10²⁴
216.31.15.0/24 256
68.22.187.0/24 256
2604:8800:52::/48 ~1×10²⁴
2604:8800:65::/48 ~1×10²⁴
216.31.0.0/24 256
216.31.36.0/24 256
216.31.19.0/24 256
216.31.6.0/24 256
2604:8800:61::/48 ~1×10²⁴
216.31.2.0/24 256
38.229.252.0/24 256
192.138.226.0/24 256
2604:8800:67::/48 ~1×10²⁴
216.31.37.0/24 256
2604:8800::/32 ~79×10²⁷
2604:8800:70::/48 ~1×10²⁴
2604:8800:64::/48 ~1×10²⁴
216.31.0.0/18 16384
2604:8800::/47 ~2×10²⁴
216.31.14.0/24 256
216.31.9.0/24 256
2604:8800:60::/48 ~1×10²⁴
216.31.18.0/24 256

Raw Whois Response

#
# 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:        2026-09-04
Comment:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
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:        2026-06-22
Ref:            https://rdap.arin.net/registry/entity/TEAMC-1


OrgTechHandle: NOC13461-ARIN
OrgTechName:   NOC
OrgTechPhone:  +1-847-378-3300 
OrgTechEmail:  peering@cymru.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC13461-ARIN

OrgAbuseHandle: NOC13461-ARIN
OrgAbuseName:   NOC
OrgAbusePhone:  +1-847-378-3300 
OrgAbuseEmail:  peering@cymru.com
OrgAbuseRef:    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.
#

Parsed Whois Response

Peers

AS Number Description Country
AS20144 ICANN US
AS6939 Hurricane Electric LLC US
AS16509 Amazon.com, Inc. US
AS286 GTT Communications Inc. US
AS3257 GTT Communications Inc. US
AS14630 Invesco Group Services, Inc. US
AS2914 NTT America, Inc. US
AS23352 DEFT.COM US
AS6461 Zayo Bandwidth US

Upstreams

AS Number Description Country
AS6939 Hurricane Electric LLC US
AS16509 Amazon.com, Inc. US
AS286 GTT Communications Inc. US
AS3257 GTT Communications Inc. US
AS2914 NTT America, Inc. US
AS23352 DEFT.COM US
AS6461 Zayo Bandwidth US

Downstreams

AS Number Description Country
AS20144 ICANN US

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Frequently Asked Questions

ASN AS23028 is an Autonomous System Number used to identify a network for BGP internet routing.
AS23028 is listed under Team Cymru Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.