AS33667 Comcast Cable Communications, LLC

Country of Origin:

United States

Prefixes Originated (all): 101
Prefixes Originated (v4): 25
Prefixes Originated (v6): 76

Prefixes Announced (all): 273
Prefixes Announced (v4): 197
Prefixes Announced (v6): 76

RPKI Originated Valid (all): 81
RPKI Originated Valid (v4): 7
RPKI Originated Valid (v6): 74

RPKI Originated Invalid (all): 0
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 152
BGP Peers Observed (v4): 145
BGP Peers Observed (v6): 21

IPs Originated (v4): 75,520
AS Paths Observed (v4): 1,218
AS Paths Observed (v6): 828

Average AS Path Length (all): 4.126
Average AS Path Length (v4): 4.080
Average AS Path Length (v6): 4.193

AS33667 IPv4 Peers

ASN	Name
AS7922	Comcast Cable Communications, LLC
AS3356	Level 3 Parent, LLC

AS33667 IPv6 Peers

ASN	Name
AS7922	Comcast Cable Communications, LLC
AS3356	Level 3 Parent, LLC

AS33667 IPv4 Peer Count

AS33667 IPv6 Peer Count

AS33667 IPv4 Prefixes Announced

AS33667 IPv6 Prefixes Announced

AS33667 IPv4 Prefixes Originated

AS33667 IPv6 Prefixes Originated

AS33667 IPv4 Route Propagation

AS33667 IPv6 Route Propagation

Prefix	Description	Visibility
Loading Prefixes...

Prefix	Description
50.203.5.0/24	Comcast Cable Communications, LLC
50.203.201.0/24	Comcast Cable Communications, LLC
50.207.246.0/24	Comcast Cable Communications, LLC
50.222.62.0/24	Comcast Cable Communications, LLC
50.239.185.0/24
64.189.18.0/24	Apogee ACC Manzanita Square (C07620733)
72.55.8.0/21	Comcast Cable Communications, LLC
107.0.64.0/23	Comcast Cable Communications, LLC
139.181.7.0/24	Siemens Industry Software Inc.
140.89.0.0/16	EGAN
142.131.240.0/22	Fairmont Raffles Hotels International
157.240.151.0/24	Facebook, Inc.
157.240.152.0/24	Facebook, Inc.
161.82.0.0/24	Wilson, Sonsini, Goodrich & Rosati, Professional Corporation
161.82.12.0/24	Wilson, Sonsini, Goodrich & Rosati, Professional Corporation
161.82.44.0/23	Wilson, Sonsini, Goodrich & Rosati, Professional Corporation
169.230.76.0/24	University of California San Francisco
169.230.77.0/24	University of California San Francisco
172.102.248.0/22	Wi-Fiber, Inc.
192.70.238.0/24	City of Salinas, Information Systems Group
192.189.161.0/24	Livermore Software Technology Corporation
192.206.19.0/24	Chrontel
198.202.219.0/24	Serra Systems, Inc.
204.145.245.0/24	E & M Electric and Machinery, Inc.
209.78.88.0/24	AT&T Corp.

Prefix	Description	Visibility
Loading Prefixes...

Prefix	Description
2001:559:8b::/48	Comcast Cable Communications, LLC
2001:559:8c::/48	Comcast Cable Communications, LLC
2001:559:123::/48	Comcast Cable Communications, LLC
2001:559:13c::/48	Comcast Cable Communications, LLC
2001:559:1b1::/48	Comcast Cable Communications, LLC
2001:559:1be::/48	Comcast Cable Communications, LLC
2001:559:249::/48	Comcast Cable Communications, LLC
2001:559:2bf::/48	Comcast Cable Communications, LLC
2001:559:2c1::/48	Comcast Cable Communications, LLC
2001:559:373::/48	Comcast Cable Communications, LLC
2001:559:38c::/48	Comcast Cable Communications, LLC
2001:559:47c::/48	Comcast Cable Communications, LLC
2001:559:492::/48	Comcast Cable Communications, LLC
2001:559:4c6::/48	Comcast Cable Communications, LLC
2001:559:5a2::/48	Comcast Cable Communications, LLC
2001:559:5de::/48	Comcast Cable Communications, LLC
2001:559:712::/48
2001:559:75a::/48	Comcast Cable Communications, LLC
2001:559:7a6::/48
2001:559:7cb::/48	Comcast Cable Communications, LLC
2001:559:8091::/48
2001:559:80a8::/48	Comcast Cable Communications, LLC
2001:559:8167::/48
2001:559:817c::/48	Comcast Cable Communications, LLC
2001:559:8202::/48	Comcast Cable Communications, LLC
2001:559:8260::/48
2001:559:82f6::/48	Comcast Cable Communications, LLC
2001:559:82f8::/48	Comcast Cable Communications, LLC
2001:559:8391::/48	Comcast Cable Communications, LLC
2001:559:83e1::/48
2001:559:83fb::/48	Comcast Cable Communications, LLC
2001:559:8436::/48	Comcast Cable Communications, LLC
2001:559:8439::/48
2001:559:845d::/48	Comcast Cable Communications, LLC
2001:559:8492::/48	Comcast Cable Communications, LLC
2001:559:8496::/48	Comcast Cable Communications, LLC
2001:559:859a::/48	Comcast Cable Communications, LLC
2001:559:85d8::/48	Comcast Cable Communications, LLC
2001:559:860f::/48	Comcast Cable Communications, LLC
2001:559:8610::/48
2001:559:86a7::/48
2001:559:86ec::/48	Comcast Cable Communications, LLC
2001:559:8704::/48	Comcast Cable Communications, LLC
2001:559:8705::/48	Comcast Cable Communications, LLC
2001:559:8763::/48
2001:559:8784::/48	Comcast Cable Communications, LLC
2001:559:87c1::/48	Comcast Cable Communications, LLC
2001:559:87c8::/48	Comcast Cable Communications, LLC
2001:559:87e5::/48	Comcast Cable Communications, LLC
2001:559:c082::/48	Comcast Cable Communications, LLC
2001:559:c091::/48	Comcast Cable Communications, LLC
2001:559:c107::/48	Comcast Cable Communications, LLC
2001:559:c117::/48	Comcast Cable Communications, LLC
2001:559:c144::/48	Comcast Cable Communications, LLC
2001:559:c203::/48	Comcast Cable Communications, LLC
2001:559:c218::/48	Comcast Cable Communications, LLC
2001:559:c219::/48	Comcast Cable Communications, LLC
2001:559:c220::/48	Comcast Cable Communications, LLC
2001:559:c222::/48	Comcast Cable Communications, LLC
2001:559:c294::/48	Comcast Cable Communications, LLC
2001:559:c352::/48
2001:559:c36d::/48	Comcast Cable Communications, LLC
2001:559:c37b::/48
2001:559:c395::/48	Comcast Cable Communications, LLC
2001:559:c39a::/48	Comcast Cable Communications, LLC
2001:559:c3fd::/48
2001:559:c46c::/48	Comcast Cable Communications, LLC
2001:559:c475::/48	Comcast Cable Communications, LLC
2001:559:c4d5::/48	Comcast Cable Communications, LLC
2001:559:c551::/48	Comcast Cable Communications, LLC
2001:559:f001::/48	Comcast Cable Communications, LLC
2001:559:f003::/48	Comcast Cable Communications, LLC
2602:810:20c1::/48	Dynatrace
2620:10a:6000::/44	Infoblox, Inc.
2a03:2887:ff31::/48	Meta Platforms Ireland Limited
2a03:2887:ff32::/48

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	Comcast Cable Communications, LLC	X	AS7922
2	Level 3 Parent, LLC	X	AS3356
3	DCS Pacific Star, LLC		AS23338
4	TiVo, Inc.		AS10982
5	Univision Communications Inc.		AS13511
6	San Francisco Department of Telecommunications and Information Services		AS39961
7	SMART CITY NETWORKS, LIMITED PARTNERSHIP		AS13395
8	Communications & Power Industries, LLC		AS55059
9	Elk Grove Unified School District		AS397909
10	E. & J. Gallo Winery Inc.		AS11733
11	ConvergeOne Holdings Corp	X	AS27580
12	Swinerton Incorporated		AS63462
13	Digital Path	X	AS27288
14	Magpie Internet Communications, Corp.		AS22020
15	MBH ARCHITECTS		AS16914
16	State Compensation Insurance Fund		AS18556
17	City of Menlo Park		AS397620
18	United States Postal Service.		AS5774
19	University of the Pacific		AS18663
20	Provident Credit Union		AS54269
21	Saint Mary's College of California		AS40385
22	University of California, Davis	X	AS6192
23	CLARE COMPUTER SOLUTIONS	X	AS5081
24	Rubrik Inc		AS397942
25	Trimark Associates, inc		AS395536
26	Coursera Inc.		AS22389
27	Amazon.com, Inc.		AS19047
28	Alameda County Office of Education		AS6099
29	Sun-Maid Growers of California		AS397062
30	Clovis Unified School District		AS27009
31	County of San Mateo		AS395323
32	NorthBay Healthcare Corporation		AS25632
33	THE GOLDEN 1 CREDIT UNION		AS32688
34	City of Manteca		AS1055
35	Intelletrace	X	AS32504
36	County of Marin		AS10309
37	O'Reilly Media, Inc.		AS15228
38	Monterey Bay Aquarium Research Institute		AS14706
39	City of Vacaville		AS54469
40	Black Oak Casino	X	AS397787
41	Deutscher Properties Corporation		AS398732
42	Restoration Hardware, Inc.		AS54767
43	Trimble, Inc.		AS18841
44	BECKMAN COULTER, INC.		AS35928
45	WebPerception, LLC		AS53497
46	Theravance Biopharma US, Inc		AS14421
47	SonicWALL, Inc.		AS23472
48	F Korbel & Bros Inc		AS40639
49	Craigslist, Inc.	X	AS22414
50	Telestream, Inc.		AS21954
51	Western Carriers Inc.		AS395210
52	Matrix Broadband		AS11203
53	Bayer Corporation		AS396121
54	Avago Technologies U.S. Inc.		AS19637
55	Telcion Communications Group		AS398178
56	Xactly Corporation	X	AS397994
57	Cadence Design Systems, Inc.		AS11829
58	SYNERGY BROADBAND		AS22768
59	Monolithic Power Systems,Inc		AS398572
60	IGN Entertainment		AS27437
61	IP Access International		AS25625
62	City of Stockton		AS398204
63	County of Fresno		AS396513
64	Exchange Bank		AS20383
65	TOPCON POSITIONING SYSTEMS INC		AS33311
66	CrossLink Professional Tax Solutions, LLC		AS32074
67	County of Napa MIS		AS394516
68	Superior Court of California, County of Sacramento	X	AS22617
69	California Public Employees' Retirement System		AS25753
70	Succeed.Net		AS11620
71	Conviva, Inc.		AS11483
72	Prominence Health Plan		AS398214
73	HP Inc.	X	AS18469
74	Opus One Winery, LLC		AS5098
75	Broadridge Financial Solutions, Inc.		AS14443
76	CRYPTIC STUDIOS, INC.		AS33382
77	Zoetis Inc.		AS17003
78	Sierra Central Credit Union		AS393935
79	Akamai International B.V.	X	AS20940
80	Contra Costa County Employees Retirement Association		AS394763
81	Pillsbury Madison & Sutro, Inc.		AS11941
82	Xilinx Incorporated		AS32537
83	Cloudflare, Inc.	X	AS13335
84	Sanmina-SCI Corporation		AS23154
85	Travis Credit Union		AS26362
86	Fandango Media, LLC		AS395425
87	California Department of Justice		AS46520
88	Mills College		AS54654
89	Sacramento Downtown Arena, LLC		AS394304
90	GlobalLogic Inc.		AS62508
91	The Jackson Laboratory		AS55032
92	California Department of Water Resources		AS2894
93	Juniper Networks, Inc.		AS14203
94	LanMinds, Inc.		AS7235
95	Hearst-Argyle Television, Inc.		AS36761
96	Pacific Coast Producers		AS53782
97	County of Monterey		AS63435
98	U.S. Customs and Border Protection		AS396921
99	City of Fairfield		AS397450
100	City of Roseville		AS396484
101			AS39991
102	University of San Francisco		AS22700
103	R Systems Inc.		AS36690
104	AMERICAN AGCREDIT ACA		AS395504
105	Clarke Broadcasting Corporation		AS397813
106	Bio-Rad Laboratories, Inc.		AS11328
107	A-Link Network Services, Inc.		AS6379
108	NBCUniversal		AS17035
109	QIAGEN Redwood City, Inc.		AS40620
110	Invitae Corp		AS393914
111	Kaweah Delta Health Care District		AS11465
112	Valley Children's Hospital		AS394121
113	Williams-Sonoma		AS17381
114	Gilead Sciences		AS46186
115	City of San Rafael		AS31802
116	Stripe, Inc.		AS5091
117	Fresno County Sheriff's Office		AS396262
118	Lam Research Corporation		AS18880
119	California College of the Arts		AS397765
120	Nugget Market		AS36835
121	HP Inc.		AS20464
122	ENLOE MEDICAL CENTER		AS396505
123	Marin General Hospital		AS54169
124	AKQA, Inc.		AS14062
125	California Capital Insurance Company		AS55278
126	H&T Waterbury, INC		AS14191
127	AFNI, Inc.		AS54246
128	Fortis Telecom		AS62539
129	Stream IT Networks LLC		AS399761
130	Integrity Networks		AS11681
131	Rambus		AS19099
132			AS23411
133	INFOIMAGE OF CALIFORNIA		AS36838
134	County of Yuba		AS46201
135	ITechTool Incorporated		AS32928
136	LUSD		AS395844
137	Google LLC		AS36040
138	City of Modesto		AS400147
139	LanLogic,Inc.		AS22738
140	Service Station Computer Systems, Inc.		AS46798
141	Chumash Casino Resort		AS33161
142			AS394156
143	County of Tulare		AS394377
144	Pacific Biosciences of California, Inc.		AS3708
145	California Public Utilities Commission		AS46341

Rank	Description	IPv4	Peer
1	Comcast Cable Communications, LLC	X	AS7922
2	Level 3 Parent, LLC	X	AS3356
3	Wind River Systems, Inc.		AS16920
4	Superior Court of California, County of Sacramento	X	AS22617
5	Xactly Corporation	X	AS397994
6	University of California, Davis	X	AS6192
7	Cloudflare, Inc.	X	AS13335
8	Craigslist, Inc.	X	AS22414
9	Digital Path	X	AS27288
10	HP Inc.	X	AS18469
11	ConvergeOne Holdings Corp	X	AS27580
12	Arista Networks, Inc.		AS55064
13	CLARE COMPUTER SOLUTIONS	X	AS5081
14	Black Oak Casino	X	AS397787
15	Intelletrace	X	AS32504
16	F5, Inc.		AS22317
17	Cable Television Laboratories, Inc.		AS20381
18	Playground Global, LLC		AS22695
19	Akamai International B.V.	X	AS20940
20	CTDI		AS26450
21	City and County of San Francisco		AS395011

whois.arin.net

ASNumber:       33667
ASName:         CMCS
ASHandle:       AS33667
RegDate:        2005-02-16
Updated:        2021-01-25    
Ref:            https://rdap.arin.net/registry/autnum/33667

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

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

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

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