Skip to main content

AS33667

CMCS

Comcast Cable Communications, LLC

Registry

Authoritative registration data

AS number
33667
Name
CMCS
Organisation
Comcast Cable Communications, LLC
Country
—
RIR
ARIN
Registered
Source:asn:rdap retrieved

IPv4 prefixes

66

IPv6 prefixes

58

Total announced

124

Announced prefixes

Observed in BGP by route collectors, not a registry allocation list

Prefixes announced by AS33667
140.89.64.0/18 IPv4 /18 not checked
135.132.64.0/19 IPv4 /19 not checked
9.142.96.0/19 IPv4 /19 not checked
138.226.64.0/20 IPv4 /20 not checked
9.142.48.0/20 IPv4 /20 not checked
138.226.112.0/21 IPv4 /21 not checked
138.226.192.0/21 IPv4 /21 not checked
138.226.48.0/21 IPv4 /21 not checked
23.230.200.0/21 IPv4 /21 not checked
135.132.72.0/22 IPv4 /22 not checked
135.132.76.0/22 IPv4 /22 not checked
138.226.196.0/22 IPv4 /22 not checked
169.128.228.0/22 IPv4 /22 not checked
100.42.16.0/23 IPv4 /23 not checked
104.247.212.0/23 IPv4 /23 not checked
107.0.64.0/23 IPv4 /23 not checked
16.5.8.0/23 IPv4 /23 not checked
162.218.64.0/23 IPv4 /23 not checked
209.222.242.0/23 IPv4 /23 not checked
40.27.174.0/23 IPv4 /23 not checked
74.1.24.0/23 IPv4 /23 not checked
9.142.118.0/23 IPv4 /23 not checked
103.111.63.0/24 IPv4 /24 not checked
103.216.197.0/24 IPv4 /24 not checked
107.158.164.0/24 IPv4 /24 not checked
107.158.165.0/24 IPv4 /24 not checked
107.158.6.0/24 IPv4 /24 not checked
107.158.7.0/24 IPv4 /24 not checked
139.181.26.0/24 IPv4 /24 not checked
157.240.151.0/24 IPv4 /24 not checked
157.240.152.0/24 IPv4 /24 not checked
162.218.89.0/24 IPv4 /24 not checked
169.230.76.0/24 IPv4 /24 not checked
169.230.77.0/24 IPv4 /24 not checked
185.201.41.0/24 IPv4 /24 not checked
185.201.43.0/24 IPv4 /24 not checked
185.22.43.0/24 IPv4 /24 not checked
192.189.161.0/24 IPv4 /24 not checked
192.206.19.0/24 IPv4 /24 not checked
192.70.238.0/24 IPv4 /24 not checked
198.145.106.0/24 IPv4 /24 not checked
198.202.219.0/24 IPv4 /24 not checked
204.145.245.0/24 IPv4 /24 not checked
209.78.88.0/24 IPv4 /24 not checked
216.170.120.0/24 IPv4 /24 not checked
36.255.215.0/24 IPv4 /24 not checked
45.67.141.0/24 IPv4 /24 not checked
5.182.186.0/24 IPv4 /24 not checked
5.182.193.0/24 IPv4 /24 not checked
5.182.194.0/24 IPv4 /24 not checked
5.182.195.0/24 IPv4 /24 not checked
50.203.201.0/24 IPv4 /24 not checked
50.203.5.0/24 IPv4 /24 not checked
50.207.246.0/24 IPv4 /24 not checked
50.222.62.0/24 IPv4 /24 not checked
50.236.209.0/24 IPv4 /24 not checked
50.239.185.0/24 IPv4 /24 not checked
63.246.148.0/24 IPv4 /24 not checked
63.246.152.0/24 IPv4 /24 not checked
63.246.159.0/24 IPv4 /24 not checked
69.91.146.0/24 IPv4 /24 not checked
71.19.136.0/24 IPv4 /24 not checked
71.19.137.0/24 IPv4 /24 not checked
71.19.138.0/24 IPv4 /24 not checked
71.19.139.0/24 IPv4 /24 not checked
78.31.206.0/24 IPv4 /24 not checked
2a0c:1900::/29 IPv6 /29 RPKI valid
2620:10a:6000::/44 IPv6 /44 RPKI not found
2001:559:123::/48 IPv6 /48 not checked
2001:559:13c::/48 IPv6 /48 not checked
2001:559:1b1::/48 IPv6 /48 not checked
2001:559:249::/48 IPv6 /48 not checked
2001:559:2c1::/48 IPv6 /48 not checked
2001:559:32d::/48 IPv6 /48 not checked
2001:559:47c::/48 IPv6 /48 not checked
2001:559:492::/48 IPv6 /48 not checked
2001:559:5a2::/48 IPv6 /48 not checked
2001:559:5de::/48 IPv6 /48 not checked
2001:559:712::/48 IPv6 /48 not checked
2001:559:75a::/48 IPv6 /48 not checked
2001:559:7cb::/48 IPv6 /48 not checked
2001:559:8091::/48 IPv6 /48 not checked
2001:559:80a8::/48 IPv6 /48 not checked
2001:559:8167::/48 IPv6 /48 not checked
2001:559:8202::/48 IPv6 /48 not checked
2001:559:82f6::/48 IPv6 /48 not checked
2001:559:83e1::/48 IPv6 /48 RPKI valid
2001:559:8439::/48 IPv6 /48 not checked
2001:559:845d::/48 IPv6 /48 not checked
2001:559:8492::/48 IPv6 /48 not checked
2001:559:859a::/48 IPv6 /48 not checked
2001:559:85d8::/48 IPv6 /48 not checked
2001:559:860f::/48 IPv6 /48 not checked
2001:559:8610::/48 IPv6 /48 not checked
2001:559:86a7::/48 IPv6 /48 not checked
2001:559:86ec::/48 IPv6 /48 not checked
2001:559:8763::/48 IPv6 /48 not checked
2001:559:8784::/48 IPv6 /48 not checked
2001:559:87c8::/48 IPv6 /48 not checked
2001:559:8b::/48 IPv6 /48 not checked
2001:559:8c::/48 IPv6 /48 not checked
2001:559:c024::/48 IPv6 /48 not checked
2001:559:c107::/48 IPv6 /48 not checked
2001:559:c117::/48 IPv6 /48 not checked
2001:559:c144::/48 IPv6 /48 not checked
2001:559:c203::/48 IPv6 /48 not checked
2001:559:c219::/48 IPv6 /48 not checked
2001:559:c222::/48 IPv6 /48 not checked
2001:559:c294::/48 IPv6 /48 not checked
2001:559:c36d::/48 IPv6 /48 not checked
2001:559:c37b::/48 IPv6 /48 not checked
2001:559:c395::/48 IPv6 /48 not checked
2001:559:c39a::/48 IPv6 /48 not checked
2001:559:c3fd::/48 IPv6 /48 not checked
2001:559:c46c::/48 IPv6 /48 not checked
2001:559:c475::/48 IPv6 /48 not checked
2001:559:c4d5::/48 IPv6 /48 not checked
2001:559:c551::/48 IPv6 /48 not checked
2a03:2887:ff31::/48 IPv6 /48 not checked
2a03:2887:ff32::/48 IPv6 /48 not checked
2a0c:1902:a7b3::/48 IPv6 /48 not checked
2a0c:1904:3f82::/48 IPv6 /48 RPKI valid
2a0c:1905:c491::/48 IPv6 /48 not checked
2a0c:1907:6d2e::/48 IPv6 /48 not checked

No rows match “”.

Showing – of

Source:ripestat:announced-prefixes observed

Internet Exchanges

Exchanges where this network has a listed peering LAN connection

No Internet Exchange memberships found

The exchange directory has no current membership records for this AS.

Source:peeringdb retrieved

Exchange membership means the network has a listed connection; it does not prove peering with other members.

Observed adjacencies

Networks seen next to AS33667 in BGP paths by route collectors.

Source:ripestat:asn-neighbours observed

Observed upstreams

2 networks seen before AS33667 in AS paths

Observed upstreams
Families
AS7922 COMCAST-7922 4,148 21,101
v4 v6
AS3356 LEVEL3 5,766 17,474
v4 v6

No rows match “”.

Showing – of

Observed downstreams

100 networks seen after AS33667 in AS paths

Observed downstreams
Families
AS23338 ASN-DCS-01 294 3,418
v4
AS2894 CALIF-DWR 142 1,402
v4
AS11620 SUCCEED-NET 151 1,149
v4
AS46341 CPUC-AS-001 141 905
v4
AS32688 GOLDEN1-CU-NET 352 820
v4
AS20940 AKAMAI-ASN1 190 658
v4 v6
AS25753 CALPERS 143 640
v4
AS46867 AUDEAMUS 146 575
v4
AS11829 CADENCE 100 552
v4
AS53782 PCOASTP 147 496
v4
AS397062 SMG 136 470
v4
AS10309 MARIN-MIDAS 60 346
v4
AS17381 AS-WSI-ECOM-WEST 154 343
v4
AS14443 BFS-49-14443 143 341
v4
AS36040 YOUTUBE 143 333
v4
AS54113 FASTLY 183 327
v4 v6
AS13335 CLOUDFLARENET 271 324
v4 v6
AS397909 EGUSD-01 132 308
v4
AS22768 SYNERGYBROADBAND-MI-02 144 284
v4
AS6379 ALINK 58 272
v4
AS13395 SMART-CITY-SOCC 116 270
v4
AS11681 INTEGRITY 55 256
v4
AS22700 USFCA 60 249
v4
AS27009 CUSD 102 242
v4
AS397787 MEWUK-NETWORKS 100 231
v4 v6
AS394377 COUNTY-OF-TULARE 143 227
v4
AS18841 TRIMBLE-SNVL 95 226
v4
AS27580 ENGINEERING-ASN1 138 225
v4 v6
AS36838 INFOIMAGE 35 210
v4
AS46826 RAZZO 59 207
v4
AS30175 EPICOR 35 205
v4
AS14203 JUNIPER-NETWORKS 58 204
v4
AS32504 INTELLETRACE 63 184
v4 v6
AS398204 CITY-OF-STOCKTON 154 182
v4
AS46902 CALSTRS-SAC1 50 177
v4
AS22617 SACCOURT 147 175
v4 v6
AS397813 CLARKE-MULTIHOME-IP-BLOCK 141 167
v4
AS23411 140 164
v4
AS395536 TRIMARKASSOC 139 164
v4
AS12054 ALAMEDACOUNTYDATAPROCESSING 33 156
v4
AS55032 JAXNET-BH-01 133 154
v4
AS19126 KIZAWIRELESS 61 138
v4
AS6099 BAE-NET-ASN 60 138
v4
AS35928 BECKMAN-COULTER-ASN 59 138
v4
AS32537 XILINX 117 137
v4
AS46186 GILD-SCI 59 137
v4
AS55059 MPP 59 137
v4
AS11328 BIO-RAD-ASN 58 136
v4
AS23154 SANMINA-SCI 58 134
v4
AS5081 CCS-AS 65 116
v4 v6
AS11574 SFGNET-AS 96 114
v4
AS13511 UNIVI-2-ASN 94 112
v4
AS55064 ARISTAASN1 78 94
v6
AS398572 MONOLITHICPOWER-SJC 74 89
v4
AS20325 PATELCOCU 36 86
v4
AS54469 COV-ISP 35 84
v4
AS394516 COUNTYOFNAPAAS 35 82
v4
AS394121 VCH-MADERA 68 81
v4
AS32928 ITECHTOOL-ASN-LAH 67 77
v4
AS396262 FSO-ASN 61 74
v4
AS33161 CHUMASH-ENTERPRISES 59 73
v4
AS46520 CA-DOJ 62 72
v4
AS46798 SSCSINC 30 72
v4
AS1226 CTA-42-AS1226 60 70
v4
AS395757 SCCFCU-PUBLIC01 60 70
v4
AS396943 SV 60 70
v4
AS3708 PACIFIC-BIOSIENCES 59 69
v4
AS4182 MLSLI-2 59 69
v4
AS5098 OPUSONE-NETS 59 69
v4
AS10982 TIVO-SJ 59 69
v4
AS14421 THERAVANCE 59 69
v4
AS16920 WINDRIVER 59 69
v4
AS18880 LAMRC 59 69
v4
AS32319 AS-MARQETA 59 69
v4
AS40385 SAINT-MARYS-CA-AS 59 69
v4
AS54104 INFOO-54104 59 69
v4
AS62508 GLOBAL-US 59 69
v4
AS398732 DPCCOMMERCIAL 59 69
v4
AS14706 MBARI-MAIN 58 68
v4
AS17003 ZOETIS-INC 58 68
v4
AS19099 58 68
v4
AS22216 SIEMENS-PLM 58 68
v4
AS33311 NET-TOPCON 58 68
v4
AS33382 CRYPTICSTUDIOS-HQ 58 68
v4
AS36761 KSBW-TV 58 68
v4
AS40620 INGENUITY-SYSTEMS 58 68
v4
AS46216 ICECONSULTING 58 68
v4
AS53497 WEBPERCEPTION 58 68
v4
AS54654 MILLSCOLLEGE 58 68
v4
AS63435 MONTEREY-AS-01 58 68
v4
AS395210 WESTERNCARRIERS-CA 58 68
v4
AS395323 SMC 58 68
v4
AS395844 LUSD 58 68
v4
AS397620 CITYMENLOPARK 58 68
v4
AS394763 CCCERA-AS 37 65
v4 v6
AS11465 KAWEAH-DELTA-HEALTH-CARE-DISTRICT 51 60
v4
AS36835 51 60
v4
AS400046 ZINUS-US 51 60
v4
AS397765 CCA 49 59
v4
AS22695 PLAYGROUND 47 56
v6

No rows match “”.

Showing – of

Note:
These are observed adjacencies derived from BGP path data, not confirmed commercial relationships. A network appearing before another in an AS path does not establish that it is a paying transit customer, a settlement free peer, or anything else contractual.