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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

58

IPv6 prefixes

57

Total announced

115

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
138.226.48.0/21 IPv4 /21 not checked
23.230.200.0/21 IPv4 /21 not checked
169.128.80.0/22 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
198.202.219.0/24 IPv4 /24 not checked
204.145.245.0/24 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
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 RPKI valid
2001:559:2c1::/48 IPv6 /48 not checked
2001:559:32d::/48 IPv6 /48 not checked
2001:559:47c::/48 IPv6 /48 RPKI valid
2001:559:492::/48 IPv6 /48 RPKI valid
2001:559:5a2::/48 IPv6 /48 RPKI valid
2001:559:5de::/48 IPv6 /48 not checked
2001:559:712::/48 IPv6 /48 RPKI valid
2001:559:75a::/48 IPv6 /48 not checked
2001:559:7cb::/48 IPv6 /48 not checked
2001:559:8091::/48 IPv6 /48 RPKI valid
2001:559:80a8::/48 IPv6 /48 not checked
2001:559:8167::/48 IPv6 /48 not checked
2001:559:8202::/48 IPv6 /48 RPKI valid
2001:559:82f6::/48 IPv6 /48 RPKI valid
2001:559:83e1::/48 IPv6 /48 RPKI valid
2001:559:845d::/48 IPv6 /48 RPKI valid
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 RPKI valid
2001:559:86ec::/48 IPv6 /48 not checked
2001:559:8763::/48 IPv6 /48 not checked
2001:559:8784::/48 IPv6 /48 RPKI valid
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 RPKI valid
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 RPKI valid
2001:559:c294::/48 IPv6 /48 not checked
2001:559:c36d::/48 IPv6 /48 RPKI valid
2001:559:c37b::/48 IPv6 /48 RPKI valid
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 RPKI valid
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 8,046 46,186
v4 v6
AS3356 LEVEL3 10,037 32,117
v4 v6

No rows match “”.

Showing – of

Observed downstreams

100 networks seen after AS33667 in AS paths

Observed downstreams
Families
AS23338 ASN-DCS-01 506 6,428
v4
AS2894 CALIF-DWR 257 2,974
v4
AS11620 SUCCEED-NET 269 2,052
v4
AS32688 GOLDEN1-CU-NET 627 1,655
v4
AS46341 CPUC-AS-001 257 1,646
v4
AS11829 CADENCE 271 1,563
v4
AS20940 AKAMAI-ASN1 355 1,321
v4 v6
AS25753 CALPERS 257 1,276
v4
AS46867 AUDEAMUS 265 1,130
v4
AS53782 PCOASTP 264 989
v4
AS27580 ENGINEERING-ASN1 415 880
v4 v6
AS17381 AS-WSI-ECOM-WEST 280 684
v4
AS14443 BFS-49-14443 259 679
v4
AS54113 FASTLY 339 664
v4 v6
AS13335 CLOUDFLARENET 506 663
v4 v6
AS36040 YOUTUBE 260 661
v4
AS22768 SYNERGYBROADBAND-MI-02 266 657
v4
AS18841 TRIMBLE-SNVL 248 646
v4
AS10309 MARIN-MIDAS 108 633
v4
AS11681 INTEGRITY 115 565
v4
AS13395 SMART-CITY-SOCC 208 506
v4
AS6379 ALINK 101 500
v4
AS27009 CUSD 189 480
v4
AS22700 USFCA 104 458
v4
AS394377 COUNTY-OF-TULARE 256 447
v4
AS397787 MEWUK-NETWORKS 161 426
v4 v6
AS14203 JUNIPER-NETWORKS 102 378
v4
AS46826 RAZZO 100 372
v4
AS398204 CITY-OF-STOCKTON 286 371
v4
AS36838 INFOIMAGE 61 370
v4
AS22617 SACCOURT 276 362
v4 v6
AS30175 EPICOR 61 359
v4
AS46902 CALSTRS-SAC1 95 351
v4
AS32504 INTELLETRACE 110 337
v4 v6
AS397813 CLARKE-MULTIHOME-IP-BLOCK 255 332
v4
AS23411 253 328
v4
AS395536 TRIMARKASSOC 252 326
v4
AS397062 SMG 249 326
v4
AS11574 SFGNET-AS 249 324
v4
AS13511 UNIVI-2-ASN 248 323
v4
AS398572 MONOLITHICPOWER-SJC 247 319
v4
AS55032 JAXNET-BH-01 243 312
v4
AS12054 ALAMEDACOUNTYDATAPROCESSING 56 272
v4
AS35928 BECKMAN-COULTER-ASN 103 255
v4
AS6099 BAE-NET-ASN 104 254
v4
AS11328 BIO-RAD-ASN 102 254
v4
AS46186 GILD-SCI 102 252
v4
AS23154 SANMINA-SCI 103 251
v4
AS55059 MPP 103 251
v4
AS19126 KIZAWIRELESS 103 249
v4
AS32537 XILINX 200 248
v4
AS5081 CCS-AS 116 219
v4 v6
AS55064 ARISTAASN1 127 169
v6
AS394121 VCH-MADERA 116 153
v4
AS20325 PATELCOCU 61 148
v4
AS54469 COV-ISP 60 146
v4
AS394516 COUNTYOFNAPAAS 60 144
v4
AS32928 ITECHTOOL-ASN-LAH 112 140
v4
AS33161 CHUMASH-ENTERPRISES 104 138
v4
AS396262 FSO-ASN 105 136
v4
AS40385 SAINT-MARYS-CA-AS 107 132
v4
AS46520 CA-DOJ 107 132
v4
AS46798 SSCSINC 55 132
v4
AS54104 INFOO-54104 106 131
v4
AS4182 MLSLI-2 105 130
v4
AS3708 PACIFIC-BIOSIENCES 104 128
v4
AS18880 LAMRC 103 128
v4
AS395757 SCCFCU-PUBLIC01 103 128
v4
AS396943 SV 103 128
v4
AS397620 CITYMENLOPARK 103 128
v4
AS22216 SIEMENS-PLM 103 127
v4
AS62508 GLOBAL-US 103 127
v4
AS14421 THERAVANCE 102 127
v4
AS19099 102 127
v4
AS36761 KSBW-TV 102 127
v4
AS40620 INGENUITY-SYSTEMS 102 127
v4
AS398732 DPCCOMMERCIAL 102 127
v4
AS1226 CTA-42-AS1226 102 126
v4
AS5098 OPUSONE-NETS 102 126
v4
AS17003 ZOETIS-INC 102 126
v4
AS32319 AS-MARQETA 102 126
v4
AS33382 CRYPTICSTUDIOS-HQ 102 126
v4
AS36835 NMF4L-1500 102 126
v4
AS53497 WEBPERCEPTION 102 126
v4
AS33311 NET-TOPCON 101 126
v4
AS10982 TIVO-SJ 101 125
v4
AS54654 MILLSCOLLEGE 101 125
v4
AS63435 MONTEREY-AS-01 101 125
v4
AS395210 WESTERNCARRIERS-CA 101 125
v4
AS14706 MBARI-MAIN 100 124
v4
AS16920 WINDRIVER 100 124
v4
AS46216 ICECONSULTING 100 124
v4
AS395323 SMC 100 124
v4
AS395844 LUSD 100 124
v4
AS11465 KAWEAH-DELTA-HEALTH-CARE-DISTRICT 99 123
v4
AS402224 31 123
v4
AS400046 ZINUS-US 90 112
v4
AS22695 PLAYGROUND 86 112
v6
AS204662 HARMONIC_FRANCE 85 111
v6
AS395011 SF-PSN 82 108
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.