AS Number
AS33656
AS Name
CMCS
Org Name
Comcast Cable Communications, LLC
Country / Region
United States
Registry

arin

RegDate

2001-09-18

Updated

2020-11-18

AS33656 Looking Glass
IPv4Prefixes

49

IPv6Prefixes

14

IPv4 NUMs

179,968

IPv6 NUMs(/64)

554,052,485,120

179,968 IPv4 Addresses
CIDR Description IP Num
23.30.204.0/23
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 512
23.31.124.0/22
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC (CCCS) 1024
50.77.6.0/23
IRR InValid
Comcast Cable Communications, LLC 512
50.193.228.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
50.214.80.0/21
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 2048
50.242.144.0/22
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 1024
50.245.84.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
50.251.16.0/22
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 1024
50.254.220.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
67.162.192.0/20
IRR Valid
Comcast Cable Communications, Inc. (C01457252) 4096
67.162.208.0/20
IRR InValid
Comcast Cable Communications, Inc. (C06057088) 4096
67.172.0.0/20
IRR InValid
Comcast Cable Communications, Inc. (C06057091) 4096
68.85.132.0/24
IRR InValid
Comcast Cable Communications, LLC 256
68.86.178.0/24
IRR Valid
Comcast Cable Communications, Inc. (C01616569) 256
68.87.223.0/24
ROA Signed and Valid IRR Valid
Comcast Cable Communications, Inc. (C01616567) 256
68.87.225.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, Inc. (C01520063) 256
69.241.120.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, Inc. (C01543874) 256
69.252.46.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, Inc. (C01520264) 256
70.88.14.0/23
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 512
70.89.64.0/23
IRR InValid
Comcast Cable Communications, LLC 512
70.90.226.0/23
IRR InValid
Comcast Cable Communications, LLC 512
70.91.163.0/24
IRR InValid
Comcast Cable Communications, LLC 256
71.25.248.0/21
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 2048
71.238.128.0/17
IRR InValid
Comcast Cable Communications, LLC 32768
73.24.32.0/19
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 8192
73.58.64.0/19
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 8192
74.92.183.0/24
ROA Signed and Valid IRR Valid
Comcast Cable Communications, LLC 256
74.93.50.0/23
IRR Valid
Comcast Cable Communications, LLC 512
74.94.216.0/22
IRR Valid
Comcast Cable Communications, LLC 1024
75.145.192.0/23
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 512
75.151.68.0/23
IRR InValid
Comcast Cable Communications, LLC 512
76.125.64.0/18
ROA Signed and Valid IRR InValid
Comcast Cable Communications, Inc. (C01768578) 16384
76.134.0.0/17
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC (C08315413) 32768
96.67.72.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
96.70.16.0/21
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 2048
96.76.8.0/21
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 2048
96.81.0.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
96.84.144.0/22
IRR InValid
Comcast Cable Communications, LLC (CCCS) 1024
96.85.248.0/21
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 2048
96.91.64.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
96.91.76.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
96.96.95.0/24
IRR InValid
Comcast Cable Communications, LLC (C07710916) 256
96.97.128.0/20
IRR InValid
Comcast Cable Communications, LLC (C07710916) 4096
96.108.37.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
96.109.102.0/24
IRR InValid
Comcast Cable Communications, LLC 256
98.50.192.0/18
IRR InValid
Comcast Cable Communications, LLC (C08158769) 16384
173.10.192.0/22
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 1024
173.160.8.0/21
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 2048
174.53.0.0/18
ROA Signed and Valid IRR InValid
Comcast Cable Communications, Inc. (C02362340) 16384
CIDR Description IP NUMs(prefix /64)
2001:558:60::/44
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 1048576
2001:558:fe22::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:1e2::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:3ea::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:7ad::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8197::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8234::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:84b6::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c08f::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c12f::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c156::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2601:380::/26
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 274877906944
2603:2380::/26
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 274877906944
2603:3013::/32
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7922 COMCAST-7922 - Comcast Cable Communications, LLC, US United States 70,213,376 36,318,243,520,512 IPv4 IPv4 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS398111 MAVERICK-TRANSPORTATION-LLC-01 - Maverick Transportation, LLC, US United States 256 0 IPv4 IPv4
IP Address Domain NUMs Domains
23.30.204.124 1 filter.cityofjacksonville.net
23.30.204.193 1 mail.netsecurenow.com
23.30.204.249 2 spinecareofarkansas.com
23.30.205.57 1 mail2.ashleygroup.net
23.30.205.227 1 www.aquajava-usa.com
23.30.205.233 1 mail.perkinstrotter.com
ASNumber:       33656
ASName:         CMCS
ASHandle:       AS33656
RegDate:        2005-02-16
Updated:        2021-01-25    
Ref:            https://rdap.arin.net/registry/autnum/33656



OrgName:        Comcast Cable Communications, LLC
OrgId:          CCCS
Address:        1800 Bishops Gate Blvd
City:           Mt Laurel
StateProv:      NJ
PostalCode:     08054
Country:        US
RegDate:        2001-09-18
Updated:        2020-11-18
Ref:            https://rdap.arin.net/registry/entity/CCCS


OrgTechHandle: IC161-ARIN
OrgTechName:   Comcast Cable Communications Inc
OrgTechPhone:  +1-856-792-2300 
OrgTechEmail:  CNIPEO-Ip-registration@cable.comcast.com
OrgTechRef:    https://rdap.arin.net/registry/entity/IC161-ARIN

OrgRoutingHandle: ROUTI25-ARIN
OrgRoutingName:   Routing
OrgRoutingPhone:  +1-856-792-2300 
OrgRoutingEmail:  routing@comcast.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI25-ARIN

OrgAbuseHandle: NAPO-ARIN
OrgAbuseName:   Network Abuse and Policy Observance
OrgAbusePhone:  +1-888-565-4329 
OrgAbuseEmail:  abuse@comcast.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAPO-ARIN