AS Number
AS33654
AS Name
CMCS
Org Name
Comcast Cable Communications, LLC
Registry

arin

RegDate

2001-09-18

Updated

2020-11-18

AS33654 Looking Glass
IPv4Prefixes

63

IPv6Prefixes

21

IPv4 NUMs

331,776

IPv6 NUMs(/64)

554,052,943,872

331,776 IPv4 Addresses
CIDR Description IP Num
23.31.112.0/21
IRR InValid
Comcast Cable Communications, LLC 2048
50.77.40.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
50.78.208.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
50.79.220.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
50.188.160.0/20
IRR InValid
Comcast Cable Communications, LLC 4096
50.193.232.0/21
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 2048
50.213.128.0/21
IRR InValid
Comcast Cable Communications, LLC 2048
50.240.8.0/21
IRR InValid
Comcast Cable Communications, LLC (CCCS) 2048
50.243.16.0/20
IRR InValid
Comcast Cable Communications, LLC 4096
50.251.8.0/21
IRR InValid
Comcast Cable Communications, LLC 2048
67.164.128.0/19
IRR InValid
Comcast Cable Communications, Inc. (C01959876) 8192
68.84.144.0/20
ROA Signed and Valid IRR InValid
Comcast Cable Communications, Inc. (C01336508) 4096
68.85.65.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
68.85.224.0/24
IRR InValid
Comcast Cable Communications, Inc. (C01621977) 256
68.86.32.0/24
IRR InValid
Comcast Cable Communications, Inc. (C01616570) 256
68.86.182.0/23
IRR InValid
Comcast Cable Communications, Inc. (C01616569) 512
69.241.36.0/24
IRR InValid
Comcast Cable Communications, Inc. (C01623945) 256
69.247.64.0/20
ROA Signed and Valid IRR InValid
Comcast Cable Communications, Inc. (C01336505) 4096
69.254.128.0/19
IRR InValid
Comcast Cable Communications, Inc. (C01166658) 8192
70.88.160.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
70.90.200.0/21
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 2048
70.90.208.0/22
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 1024
71.25.80.0/20
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 4096
71.228.96.0/19
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 8192
74.92.204.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
74.95.16.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
75.146.140.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
75.150.16.0/22
IRR InValid
Comcast Cable Communications, LLC 1024
76.18.64.0/19
IRR InValid
Comcast Cable Communications, Inc. 8192
76.26.96.0/20
ROA Signed and Valid IRR InValid
Comcast Cable Communications, Inc. 4096
76.113.0.0/17
ROA Signed and Valid IRR InValid
Comcast Cable Communications, Inc. 32768
76.127.0.0/18
IRR InValid
Comcast Cable Communications, Inc. 16384
96.64.144.0/20
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 4096
96.72.0.0/20
IRR InValid
Comcast Cable Communications, LLC 4096
96.77.16.0/20
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 4096
96.84.156.0/22
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 1024
96.88.0.0/21
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 2048
96.92.64.0/20
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 4096
96.96.92.0/24
IRR InValid
Comcast Cable Communications, LLC 256
96.96.199.0/24
IRR InValid
Comcast Cable Communications, LLC 256
96.97.44.0/23
IRR InValid
Comcast Cable Communications, LLC 512
96.97.160.0/23
IRR InValid
Comcast Cable Communications, LLC 512
96.108.43.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
96.108.67.0/24
IRR InValid
Comcast Cable Communications, LLC 256
96.109.19.0/24
IRR InValid
Comcast Cable Communications, LLC 256
96.109.124.0/24
IRR InValid
Comcast Cable Communications, LLC 256
96.110.19.0/24
IRR InValid
Comcast Cable Communications, LLC 256
96.113.75.0/24
IRR InValid
Comcast Cable Communications, LLC 256
96.216.21.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
96.216.96.0/24
IRR InValid
Comcast Cable Communications, LLC 256
96.216.97.0/24
IRR InValid
Comcast Cable Communications, LLC 256
96.216.145.0/24
IRR InValid
Comcast Cable Communications, LLC 256
98.32.0.0/18
IRR InValid
Comcast Cable Communications, LLC 16384
98.48.0.0/17
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 32768
98.60.0.0/16
IRR InValid
Comcast Cable Communications, LLC 65536
162.151.97.0/24
IRR InValid
Comcast Cable Communications, LLC 256
162.151.187.0/24
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 256
173.10.240.0/21
IRR InValid
Comcast Cable Communications, LLC 2048
173.12.200.0/21
IRR InValid
Comcast Cable Communications, LLC 2048
173.163.240.0/21
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 2048
174.50.64.0/19
IRR InValid
Comcast Cable Communications, Inc. 8192
174.56.0.0/17
ROA Signed and Valid IRR InValid
Comcast Cable Communications, Inc. 32768
174.62.0.0/18
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 16384
CIDR Description IP NUMs(prefix /64)
2001:558:40::/44
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 1048576
2001:558:fe18::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:ba::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:bb::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:12b::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:24d::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:38f::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:3cf::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:7d7::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8165::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8208::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:8465::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:87cd::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:87ce::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c151::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c517::/48
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c553::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2001:559:c555::/48
IRR InValid
Comcast Cable Communications, LLC 65536
2601:8c0::/26
IRR InValid
Comcast Cable Communications, LLC 274877906944
2603:2000::/26
ROA Signed and Valid IRR InValid
Comcast Cable Communications, LLC 274877906944
2603:3000::/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 68,017,664 36,318,243,520,512 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS31883 TIM-2300 - Thornburg Investment Management Inc., US United States 768 0 IPv4 IPv4
AS46808 PSA-ASN-01 - Pueblo of Santa Ana, US United States 256 0 IPv4 IPv4
AS394997 NEXUM-ABQ-ASN - Nexum, Inc., US United States 512 0 IPv4 IPv4
AS11458 ANM-AS01 - Advanced Network Management, Inc, US United States 256 0 IPv4 IPv4
AS11710 ABBATECH - ABBA TECHNOLOGIES, US United States 512 0 IPv4 IPv4
AS394037 RIOCITIES-INTERNET - RIO CITIES, US United States 1,536 268,435,456 IPv4 IPv4 IPv6 IPv6
AS401002 NM-NOC-CONN-01 - Bridgers & Paxton Consulting Engineers, Inc., US United States 256 0 IPv4 IPv4
AS3388 UNM-AS - University of New Mexico, US United States 98,304 0 IPv4 IPv4
AS22523 NMCOURTS-ASN - State of NM Administrative Office of the Courts, US United States 8,192 0 IPv4 IPv4
AS3912 CHECS, US United States 12,544 8,589,934,592 IPv4 IPv4
AS31948 HQ - Santa Ana Star Casino Hotel, US United States 256 0 IPv4 IPv4
AS62621 SUMMITELEC - SUMMIT ELECTRIC SUPPLY CO., INC., US United States 256 65,536 IPv4 IPv4 IPv6 IPv6
AS397167 PHS-NM - Presbyterian Healthcare Services, US United States 256 0 IPv4 IPv4
AS400445 NUSENDA-ADMIN-01 - NUSENDA FEDERAL CREDIT UNION, US United States 512 0 IPv4 IPv4
AS12137 LHBIS-IPV4-NET01 - LightHouse Business Information Solutions, LLC, US United States 256 0 IPv4 IPv4
AS30331 ST-VINCENT - St. Vincent Hospital, US United States 256 0 IPv4 IPv4
ASNumber:       33654
ASName:         CMCS
ASHandle:       AS33654
RegDate:        2005-02-16
Updated:        2021-01-25    
Ref:            https://rdap.arin.net/registry/autnum/33654



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

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

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