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AS33666 Comcast Cable Communications, LLC

United States CMCS ARIN 3 IPv4 prefixes 3 IPv6 prefixes
IPv4 addresses
768
IPv6 /48 networks
3
RPKI
3 valid3 no ROA
Peers and downstreams
5

Holder

AS name
CMCS
Description
Comcast Cable Communications, LLC
Organisation
Comcast Cable Communications, LLC
Abuse contact
Not published
Assigned
2005-02-15
Registered
2005-02-16
Record last changed
2021-01-25 20:27 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS174 AS174 AS174 AS174 AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS6461 Zayo Bandwidth AS6461 · US Zayo Bandwidth AS7922 Comcast Cable Communications, LLC AS7922 · US Comcast Cable Communi… AS33666 Comcast Cable Communications, LLC AS33666 · US Comcast Cable Communi…

Network health

Grade C · 68/100
partly Prefixes covered by valid ROAs
3 of 6 announced prefixes are RPKI valid, 3 have no ROA.		 13/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
3 IPv6 prefixes.		 15/15
partly More than one upstream
1 upstream seen in BGP.		 5/10
pass Working abuse contact
abuse@comcast.net is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2021-01-25.		 0/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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Routing changes

Last 30 days
No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS33666
as-name:        CMCS
handle:         AS33666
registrant:     CCCS (Comcast Cable Communications, LLC)
abuse:          NAPO-ARIN (Network Abuse and Policy Observance) <abuse@comcast.net>
routing:        ROUTI25-ARIN (Routing) <routing@comcast.com>
technical,administrative:IC161-ARIN (Comcast Cable Communications Inc) <CNIPEO-Ip-registration@cable.comcast.com>
last changed:   2021-01-25T15:27:34-05:00
registration:   2005-02-16T14:59:31-05:00
source:         ARIN (RDAP)