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Autonomous System Number 21508 : COMCAST-21508 (United States of America)

🖥 Autonomous System Number 21508 : COMCAST-21508 (United States of America)

The autonomous system number: AS21508 is managed by the COMCAST-21508 agency under the United States of America, and the specific content can be found in the details below. This data was updated on: 2024-02-19T15:02:48.

United States of America (US) IP Address
IP Network - AS21508
Address Range: AS21508
Network Name: COMCAST-21508
Events: last changedregistration
ClassName: autnum
Notices:
Terms Of Service: By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use
https://www.arin.net/resources/registry/whois/tou/ ( Terms-of-service )
Whois Inaccuracy Reporting: By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use
If you see inaccuracies in the results, please visit:
https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ ( Inaccuracy-report )
Copyright Notice: By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use
If you see inaccuracies in the results, please visit:
Copyright 1997-2024, American Registry for Internet Numbers, Ltd.
Status: Active
Links: https://rdap.arin.net/registry/autnum/21508 ( Self )
https://whois.arin.net/rest/asn/AS21508 ( Alternate )
Whois Server: whois.arin.net
Conformance: nro_rdap_profile_0, rdap_level_0, nro_rdap_profile_asn_flat_0

entity- CCCS
Handle: CCCS
Roles: Registrant
Events: last changed : 2020-11-18T14:58:28-05:00
registration : 2001-09-18T00:00:00-04:00
Links: https://rdap.arin.net/registry/entity/CCCS ( Self )
https://whois.arin.net/rest/org/CCCS ( Alternate )
Version: 4.0
Name: Comcast Cable Communications, LLC
kind: Org
Address: 1800 Bishops Gate Blvd Mt Laurel NJ 08054 United States
Entities:
Handle: NAPO-ARIN
Roles: Abuse
Links: https://rdap.arin.net/registry/entity/NAPO-ARIN ( Self )
https://whois.arin.net/rest/poc/NAPO-ARIN ( Alternate )
Events: last changed : 2023-05-15T12:49:56-04:00
registration : 2002-09-30T17:45:14-04:00
Status: Validated
Whois Server: whois.arin.net
ClassName: entity
Version: 4.0
Address: 1800 Bishops Gate Blvd Mount Laurel NJ 08054 United States
Name: Network Abuse and Policy Observance
Org: Network Abuse and Policy Observance
kind: Group
Email: abuse@comcast.net
Phone: +1-888-565-4329
Handle: IC161-ARIN
Roles: Technical, Administrative
Links: https://rdap.arin.net/registry/entity/IC161-ARIN ( Self )
https://whois.arin.net/rest/poc/IC161-ARIN ( Alternate )
Events: last changed : 2023-09-01T09:51:53-04:00
registration : 2002-06-12T11:30:41-04:00
Status: Validated
Whois Server: whois.arin.net
ClassName: entity
Version: 4.0
Address: 1800 Bishops Gate Blvd Mount Laurel NJ 08054 United States
Name: Comcast Cable Communications Inc
Org: Comcast Cable Communications Inc
kind: Group
Email: CNIPEO-Ip-registration@cable.comcast.com
Phone: +1-856-792-2300
Handle: ROUTI25-ARIN
Roles: Routing
Links: https://rdap.arin.net/registry/entity/ROUTI25-ARIN ( Self )
https://whois.arin.net/rest/poc/ROUTI25-ARIN ( Alternate )
Events: last changed : 2023-09-01T09:51:30-04:00
registration : 2020-11-18T14:40:04-05:00
Status: Validated
Whois Server: whois.arin.net
ClassName: entity
Version: 4.0
Address: 1800 Bishops Gate Blvd Mt Laurel NJ 08054 United States
Name: Routing
Org: Routing
kind: Group
Email: routing@comcast.com
Phone: +1-856-792-2300

🖥 The IP segment included in the autonomous number AS21508

The following is the autonomous system number: the IP address segment contained in AS21508, including the starting IP, and the number of IPs in each segment;

Network Start IP End IP Number of IP
141.104.0.0/16 141.104.0.0 141.104.255.255 65536
157.240.147.0/24 157.240.147.0 157.240.147.255 256
157.240.148.0/24 157.240.148.0 157.240.148.255 256
173.242.174.0/24 173.242.174.0 173.242.174.255 256
192.100.76.0/24 192.100.76.0 192.100.76.255 256
198.90.112.0/22 198.90.112.0 198.90.115.255 1024
204.194.47.0/24 204.194.47.0 204.194.47.255 256
205.223.19.0/24 205.223.19.0 205.223.19.255 256
50.204.101.0/24 50.204.101.0 50.204.101.255 256
50.205.217.0/24 50.205.217.0 50.205.217.255 256
50.216.229.0/24 50.216.229.0 50.216.229.255 256
50.217.1.0/24 50.217.1.0 50.217.1.255 256
50.217.207.0/24 50.217.207.0 50.217.207.255 256
50.218.47.0/24 50.218.47.0 50.218.47.255 256
50.219.12.0/22 50.219.12.0 50.219.15.255 1024
50.219.222.0/24 50.219.222.0 50.219.222.255 256
50.219.229.0/24 50.219.229.0 50.219.229.255 256
50.219.238.0/24 50.219.238.0 50.219.238.255 256
50.219.240.0/24 50.219.240.0 50.219.240.255 256
50.220.111.0/24 50.220.111.0 50.220.111.255 256
50.227.24.0/24 50.227.24.0 50.227.24.255 256
50.228.113.0/24 50.228.113.0 50.228.113.255 256
50.229.113.0/24 50.229.113.0 50.229.113.255 256
50.229.114.0/24 50.229.114.0 50.229.114.255 256
50.229.232.0/23 50.229.232.0 50.229.233.255 512
50.235.34.0/24 50.235.34.0 50.235.34.255 256

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