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AS23028

TEAM-CYMRU

Team Cymru Inc.

Registry

Authoritative registration data

AS number
23028
Name
TEAM-CYMRU
Organisation
Team Cymru Inc.
Country
RIR
ARIN
Registered
Source:asn:rdap retrieved

IPv4 prefixes

27

IPv6 prefixes

17

Total announced

44

Announced prefixes

Observed in BGP by route collectors, not a registry allocation list

Prefixes announced by AS23028
216.31.0.0/18 IPv4 /18 not checked
192.138.226.0/24 IPv4 /24 not checked
203.28.18.0/24 IPv4 /24 not checked
204.74.64.0/24 IPv4 /24 not checked
216.31.0.0/24 IPv4 /24 not checked
216.31.1.0/24 IPv4 /24 not checked
216.31.12.0/24 IPv4 /24 not checked
216.31.13.0/24 IPv4 /24 not checked
216.31.14.0/24 IPv4 /24 not checked
216.31.15.0/24 IPv4 /24 not checked
216.31.17.0/24 IPv4 /24 not checked
216.31.18.0/24 IPv4 /24 not checked
216.31.2.0/24 IPv4 /24 not checked
216.31.20.0/24 IPv4 /24 not checked
216.31.3.0/24 IPv4 /24 not checked
216.31.36.0/24 IPv4 /24 not checked
216.31.37.0/24 IPv4 /24 not checked
216.31.38.0/24 IPv4 /24 not checked
216.31.39.0/24 IPv4 /24 not checked
216.31.4.0/24 IPv4 /24 not checked
216.31.6.0/24 IPv4 /24 not checked
216.31.7.0/24 IPv4 /24 not checked
216.31.8.0/24 IPv4 /24 not checked
216.31.9.0/24 IPv4 /24 not checked
38.229.252.0/24 IPv4 /24 not checked
38.229.33.0/24 IPv4 /24 not checked
68.22.187.0/24 IPv4 /24 not checked
2604:8800::/32 IPv6 /32 not checked
2604:8800:50::/47 IPv6 /47 not checked
2604:8800::/47 IPv6 /47 not checked
2604:8800:20::/48 IPv6 /48 not checked
2604:8800:52::/48 IPv6 /48 not checked
2604:8800:53::/48 IPv6 /48 not checked
2604:8800:60::/48 IPv6 /48 not checked
2604:8800:61::/48 IPv6 /48 not checked
2604:8800:64::/48 IPv6 /48 not checked
2604:8800:65::/48 IPv6 /48 not checked
2604:8800:66::/48 IPv6 /48 not checked
2604:8800:67::/48 IPv6 /48 not checked
2604:8800:68::/48 IPv6 /48 not checked
2604:8800:69::/48 IPv6 /48 not checked
2604:8800:70::/48 IPv6 /48 not checked
2604:8800:71::/48 IPv6 /48 not checked
2620:0:6b0::/48 IPv6 /48 not checked

No rows match “”.

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Source:ripestat:announced-prefixes observed

Internet Exchanges

Exchanges where this network has a listed peering LAN connection

Internet Exchange memberships listed for AS23028
Address families
AMS-IX 10,000 Mbps IPv4 · IPv6
LINX LON1: Main 10,000 Mbps IPv4 · IPv6
LINX LON2 10,000 Mbps IPv4 · IPv6

No rows match “”.

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Source:peeringdb retrieved

Exchange membership means the network has a listed connection; it does not prove peering with other members.

Observed adjacencies

Networks seen next to AS23028 in BGP paths by route collectors.

Source:ripestat:asn-neighbours observed

Observed upstreams

29 networks seen before AS23028 in AS paths

Observed upstreams
Families
AS6939 HURRICANE 313 8,366
v4 v6
AS6461 ZAYO-6461 354 3,101
v4 v6
AS3257 GTT-BACKBONE 367 1,706
v4 v6
AS2914 NTT-DATA-2914 351 1,437
v4 v6
AS35280 F5 3 112
v4 v6
AS25091 IP-Max 3 110
v4 v6
AS6057 6057 2 60
v4 v6
AS8298 IPNG 2 60
v4 v6
AS1103 SURFNET-NL 2 52
v4 v6
AS34549 MEER-AS 6 48
v4 v6
AS48362 TKSWF-AS 2 36
v4 v6
AS23352 SERVERCENTRAL 19 33
v4 v6
AS60068 1 30
v4 v6
AS60171 1 24
v4 v6
AS137409 GSLNETWORKS-AS-AP 1 22
v4
AS5405 2 18
v4 v6
AS29075 2 18
v4 v6
AS34177 CELESTE-AS 2 16
v4 v6
AS39351 ESAB-AS 2 16
v4 v6
AS9002 RETN-AS 3 14
v6
AS9044 1 14
v4 v6
AS286 1 12
v4 v6
AS7195 7195 1 8
v6
AS6204 1 7
v4
AS37282 1 7
v4
AS37100 1 6
v4
AS34019 HIVANE 2 4
v6
AS50673 2 2
v6
AS1764 NEXTLAYER-AS 1 1
v6

No rows match “”.

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Observed downstreams

1 networks seen after AS23028 in AS paths

Observed downstreams
Families
AS20144 3 20
v4 v6

No rows match “”.

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Uncertain adjacencies

55 adjacencies that may be an artefact of collector peering

No rows match “”.

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Note:
These are observed adjacencies derived from BGP path data, not confirmed commercial relationships. A network appearing before another in an AS path does not establish that it is a paying transit customer, a settlement free peer, or anything else contractual. Adjacencies marked uncertain were seen only as direct peers of a route collector, so the collector's own peering may have created them.