33651 CMCS, US
Adjacency: 147 Upstream: 2 Downstream: 145
Upstream Adjacent AS list
AS3356 LEVEL3, US
AS7922 COMCAST-7922, US
Downstream Adjacent AS list
AS29878 CHMP-ASN, US
AS11203 CALDSL, US
AS11620 SUCCEED-NET, US
AS13395 SMART-CITY-SOCC, US
AS17381 AS-WSI-ECOM-WEST, US
AS25753 CALPERS, US
AS32688 GOLDEN1-CU-NET, US
AS23338 ASN-DCS-01, US
AS394377 COUNTY-OF-TULARE, US
AS396505 EMC, US
AS399761 STREAMIT-001, US
AS398204 CITY-OF-STOCKTON, US
AS400379 COUNTY-OF-MADERA, US
AS53782 PCOASTP, US
AS15228 OREILLYMEDIA-AS1, US
AS393518 CLAIMREMEDI-AS, US
AS397258 GTRC-01, US
AS10780 PURE-STORAGE, US
AS10753 LUMEN-LEGACY-L3-CUSTOMER-SHARED-USE, US
AS10982 TIVO-SJ, US
AS10309 MARIN-MIDAS, US
AS11328 BIO-RAD-ASN, US
AS11212 COUNTY-OF-SONOMA, US
AS11941 PWLLP-AS001, US
AS11829 CADENCE, US
AS13511 UNIVI-2-ASN, US
AS14062 AKQA, US
AS14110 GENESYS-ASN, US
AS13843 PHOENIX-AMERICAN, US
AS12222 AKAMAI, US
AS14191 HT-WATERBURY-INC-01, US
AS14421 THERAVANCE, US
AS14706 MBARI-MAIN, US
AS14388 BRONCO-WINE, US
AS17003 ZOETIS-INC, US
AS16920 WINDRIVER, US
AS18556 SCIF, US
AS18478 NATAL-MED, US
AS18469 PLT, US
AS19099 RAMB, US
AS18880 LAMRC, US
AS18841 TRIMBLE-SNVL, US
AS18663 UOP-AS, US
AS19637 AVG19637, US
AS2003 EPRI-PA, US
AS19936 GORDONFOODS, US
AS17035 NBCUNI-17035, US
AS20383 EXCHANGEBANK-AS, US
AS20066 MSC-SJ-HQ, US
AS22020 PLANETMAGPIE, US
AS16914 MBHARCH, US
AS22700 USFCA, US
AS23154 SANMINA-SCI, US
AS22768 SYNERGYBROADBAND-MI-02, US
AS25625 IPAI, US
AS22738 LANLOGIC, US
AS22389 COURSERA, US
AS26211 PROOFPOINT-ASN-US-WEST, US
AS26245 ROBERT-H, US
AS26362 TRAVISCU, US
AS31802 COSR, US
AS2894 CALIF-DWR, US
AS27580 ENGINEERING-ASN1, US
AS27437 IGN, US
AS26758 -Reserved AS-, ZZ
AS26476 CYBERU, US
AS32504 INTELLETRACE, US
AS32537 XILINX, US
AS32928 ITECHTOOL-ASN-LAH, US
AS32778 SMART-CITY-SCCC, US
AS32074 CPTSL-32074, US
AS26325 TECHCU-AS, US
AS25632 NORTHBAYHEALTHCARECORP, US
AS22024 SPLUNK-WEST, US
AS33161 CHUMASH-ENTERPRISES, US
AS14203 JUNIPER-NETWORKS, US
AS11483 CONVIVA-AS, US
AS33382 CRYPTICSTUDIOS-HQ, US
AS35928 BECKMAN-COULTER-ASN, US
AS36761 KSBW-TV, US
AS36361 QUORA, US
AS36776 FIVE9, US
AS33311 NET-TOPCON, US
AS3708 PACIFIC-BIOSIENCES, US
AS393914 INVITAE-01, US
AS393355 SISA, US
AS394156 -Reserved AS-, ZZ
AS393305 -Reserved AS-, ZZ
AS394516 COUNTYOFNAPAAS, US
AS394304 SACRAMENTO-KINGS, US
AS395132 MWCU, US
AS394557 ROKU, US
AS395323 SMC, US
AS395504 AMERICANAGCREDIT, US
AS395425 FANDANGO, US
AS395844 LUSD, US
AS396121 BAYER-BERKELEY, US
AS397620 CITYMENLOPARK, US
AS398307 ZOOCE-ASN-01, US
AS398178 TELCION-NETOPS-01, US
AS397994 XACTLY-01, US
AS397450 COF94533, US
AS398469 FOXTHERMAL-ASN, US
AS398732 DPCCOMMERCIAL, US
AS398572 MONOLITHICPOWER-SJC, US
AS39961 CCSF, US
AS398873 HQ-SANCARLOS, US
AS397030 HILTON-H, US
AS395976 COMCAST-MES, US
AS400373 SKYDIO, US
AS40385 SAINT-MARYS-CA-AS, US
AS40620 INGENUITY-SYSTEMS, US
AS46186 GILD-SCI, US
AS46798 SSCSINC, US
AS46520 CA-DOJ, US
AS46341 CPUC-AS-001, US
AS5081 CCS-AS, US
AS5098 OPUSONE-NETS, US
AS5091 STRIPE, US
AS46864 WORKD-IT, US
AS53497 WEBPERCEPTION, US
AS46305 UA-4585, US
AS40039 ALPHA-N-OMEGA-AOS-40, US
AS39991 -Reserved AS-, ZZ
AS395757 SCCFCU-PUBLIC01, US
AS395210 WESTERNCARRIERS-CA, US
AS36838 INFOIMAGE, US
AS53985 DODGE-AND-COX-FUNDS, US
AS54246 AFNI-INTERNET, US
AS54469 COV-ISP, US
AS54269 PROVIDENTCU, US
AS54912 BAYAL-IP1, US
AS55059 BMD, US
AS55278 CIG-ASN, US
AS54654 MILLSCOLLEGE, US
AS57031 QUESTORA, PL
AS62508 GLOBAL-, US
AS6099 BAE-NET-ASN, US
AS6379 ALINK, US
AS63435 MONTEREY-AS-01, US
AS7243 HDS-AS, US
AS7235 LANMINDS, US
AS63342 ALPHASCRIPT, US
AS54169 MGH-ION-1, US
AS33267 FIRST-REPUBLIC-BANK, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2435 AS33651 ORG+TRN Originate: 94720 /15.47 Transit: 270592 /13.95 CMCS, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 12301 AS33651 CMCS, US 79 6 3 76 3 3.80% Prefix AS Path Aggregation Suggestion 24.104.72.0/23 4777 2516 7922 33651 + Announce - aggregate of 24.104.72.0/24 (4777 2516 7922 33651) and 24.104.73.0/24 (4777 2516 7922 33651) 24.104.72.0/24 4777 2516 7922 33651 - Withdrawn - aggregated with 24.104.73.0/24 (4777 2516 7922 33651) 24.104.73.0/24 4777 2516 7922 33651 - Withdrawn - aggregated with 24.104.72.0/24 (4777 2516 7922 33651) 24.104.138.0/23 4777 2516 7922 33651 24.104.150.0/24 4777 2516 7922 33651 50.145.4.0/24 4777 2516 7922 33651 50.175.174.0/24 4777 2516 7922 33651 50.175.188.0/24 4777 2516 7922 33651 50.175.192.0/24 4777 2516 7922 33651 50.175.197.0/24 4777 2516 7922 33651 50.175.215.0/24 4777 2516 7922 33651 50.175.229.0/24 4777 2516 7922 33651 50.175.235.0/24 4777 2516 7922 33651 50.200.170.0/24 4777 2516 7922 33651 50.201.8.0/23 4777 2516 7922 33651 50.201.44.0/22 4777 2516 7922 33651 50.201.171.0/24 4777 2516 7922 33651 50.204.119.0/24 4777 2516 7922 33651 50.204.137.0/24 4777 2516 7922 33651 50.205.226.0/24 4777 2516 7922 33651 50.206.13.0/24 4777 2516 7922 33651 50.206.118.0/24 4777 2516 7922 33651 50.206.120.0/23 4777 2516 7922 33651 50.206.219.0/24 4777 2516 7922 33651 50.207.182.0/24 4777 2516 7922 33651 50.207.190.0/24 4777 2516 7922 33651 50.216.23.0/24 4777 2516 7922 33651 50.216.212.0/24 4777 2516 7922 33651 50.217.58.0/24 4777 2516 7922 33651 50.218.46.0/24 4777 2516 7922 33651 50.219.139.0/24 4777 2516 7922 33651 50.220.190.0/23 4777 2516 7922 33651 50.222.26.0/24 4777 2516 7922 33651 50.222.50.0/24 4777 2516 7922 33651 50.222.102.0/24 4777 2516 7922 33651 50.223.2.0/24 4777 2516 7922 33651 50.223.24.0/23 4777 2516 7922 33651 50.227.120.0/24 4777 2516 7922 33651 50.227.186.0/24 4777 2516 7922 33651 50.228.12.0/24 4777 2516 7922 33651 50.228.130.0/24 4777 2516 7922 33651 50.228.223.0/24 4777 2516 7922 33651 50.229.212.0/24 4777 2516 7922 33651 50.230.66.0/24 4777 2516 7922 33651 50.230.161.0/24 4777 2516 7922 33651 50.231.143.0/24 4777 2516 7922 33651 50.232.196.0/24 4777 2516 7922 33651 50.233.45.0/24 4777 2516 7922 33651 50.234.130.0/24 4777 2516 7922 33651 50.235.20.0/23 4777 2516 7922 33651 + Announce - aggregate of 50.235.20.0/24 (4777 2516 7922 33651) and 50.235.21.0/24 (4777 2516 7922 33651) 50.235.20.0/24 4777 2516 7922 33651 - Withdrawn - aggregated with 50.235.21.0/24 (4777 2516 7922 33651) 50.235.21.0/24 4777 2516 7922 33651 - Withdrawn - aggregated with 50.235.20.0/24 (4777 2516 7922 33651) 50.235.233.0/24 4777 2516 7922 33651 50.236.66.0/24 4777 2516 7922 33651 50.236.209.0/24 4777 2516 7922 33651 50.236.247.0/24 4777 2516 7922 33651 50.238.98.0/24 4777 2516 7922 33651 50.238.133.0/24 4777 2516 7922 33651 50.239.184.0/24 4777 2516 7922 33651 64.84.96.0/21 4608 4826 3356 33651 64.84.120.0/21 4608 4826 3356 33651 64.189.18.0/24 4777 2516 7922 33651 72.55.8.0/21 4777 2516 7922 33651 107.0.21.0/24 4777 2516 7922 33651 139.181.7.0/24 4608 4826 3356 33651 140.89.0.0/16 4777 2516 7922 33651 142.131.240.0/22 4608 4826 3356 33651 161.82.12.0/24 4608 4826 3356 33651 161.82.44.0/23 4608 4826 3356 33651 169.230.76.0/23 4777 2516 7922 33651 + Announce - aggregate of 169.230.76.0/24 (4777 2516 7922 33651) and 169.230.77.0/24 (4777 2516 7922 33651) 169.230.76.0/24 4777 2516 7922 33651 - Withdrawn - aggregated with 169.230.77.0/24 (4777 2516 7922 33651) 169.230.77.0/24 4777 2516 7922 33651 - Withdrawn - aggregated with 169.230.76.0/24 (4777 2516 7922 33651) 172.102.248.0/22 4608 4826 3356 33651 192.70.238.0/24 4608 4826 3356 33651 192.189.161.0/24 4777 2516 7922 33651 192.206.19.0/24 4608 4826 3356 33651 198.202.219.0/24 4608 4826 3356 33651 204.145.245.0/24 4608 4826 3356 33651 209.23.201.0/24 4777 2516 7922 33651 209.23.202.0/24 4777 2516 7922 33651 209.23.253.0/24 4777 2516 7922 33651 209.78.88.0/24 4608 4826 3356 33651
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS33651 72 More Specifics 79 Total Advertisements CMCS, US
24.104.72.0/24 24.104.0.0/17
24.104.73.0/24 24.104.0.0/17
24.104.138.0/23 24.104.128.0/19
24.104.150.0/24 24.104.128.0/19
50.145.4.0/24 50.128.0.0/9
50.175.174.0/24 50.128.0.0/9
50.175.188.0/24 50.128.0.0/9
50.175.192.0/24 50.128.0.0/9
50.175.197.0/24 50.128.0.0/9
50.175.215.0/24 50.128.0.0/9
50.175.229.0/24 50.128.0.0/9
50.175.235.0/24 50.128.0.0/9
50.200.170.0/24 50.128.0.0/9
50.201.8.0/23 50.128.0.0/9
50.201.44.0/22 50.128.0.0/9
50.201.171.0/24 50.128.0.0/9
50.204.119.0/24 50.128.0.0/9
50.204.137.0/24 50.128.0.0/9
50.205.226.0/24 50.128.0.0/9
50.206.13.0/24 50.128.0.0/9
50.206.118.0/24 50.128.0.0/9
50.206.120.0/23 50.128.0.0/9
50.206.219.0/24 50.128.0.0/9
50.207.182.0/24 50.128.0.0/9
50.207.190.0/24 50.128.0.0/9
50.216.23.0/24 50.128.0.0/9
50.216.212.0/24 50.128.0.0/9
50.217.58.0/24 50.128.0.0/9
50.218.46.0/24 50.128.0.0/9
50.219.139.0/24 50.128.0.0/9
50.220.190.0/23 50.128.0.0/9
50.222.26.0/24 50.128.0.0/9
50.222.50.0/24 50.128.0.0/9
50.222.102.0/24 50.128.0.0/9
50.223.2.0/24 50.128.0.0/9
50.223.24.0/23 50.128.0.0/9
50.227.120.0/24 50.128.0.0/9
50.227.186.0/24 50.128.0.0/9
50.228.12.0/24 50.128.0.0/9
50.228.130.0/24 50.128.0.0/9
50.228.223.0/24 50.128.0.0/9
50.229.212.0/24 50.128.0.0/9
50.230.66.0/24 50.128.0.0/9
50.230.161.0/24 50.128.0.0/9
50.231.143.0/24 50.128.0.0/9
50.232.196.0/24 50.128.0.0/9
50.233.45.0/24 50.128.0.0/9
50.234.130.0/24 50.128.0.0/9
50.235.20.0/24 50.128.0.0/9
50.235.21.0/24 50.128.0.0/9
50.235.233.0/24 50.128.0.0/9
50.236.66.0/24 50.128.0.0/9
50.236.209.0/24 50.128.0.0/9
50.236.247.0/24 50.128.0.0/9
50.238.98.0/24 50.128.0.0/9
50.238.133.0/24 50.128.0.0/9
50.239.184.0/24 50.128.0.0/9
64.84.96.0/21 64.84.96.0/19
64.84.120.0/21 64.84.96.0/19
64.189.18.0/24 64.189.0.0/16
72.55.8.0/21 72.55.0.0/17
107.0.21.0/24 107.0.0.0/14
139.181.7.0/24 139.181.0.0/16
142.131.240.0/22 142.131.0.0/16
161.82.12.0/24 161.82.0.0/18
161.82.44.0/23 161.82.0.0/18
169.230.76.0/24 169.230.0.0/15
169.230.77.0/24 169.230.0.0/15
209.23.201.0/24 209.23.192.0/18
209.23.202.0/24 209.23.192.0/18
209.23.253.0/24 209.23.192.0/18
209.78.88.0/24 209.76.0.0/14
50.236.97.0/24 50.128.0.0/9
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 50.236.97.0/24 Withdrawn
| Bogus AS | Announcing-AS | ||
|---|---|---|---|
| AS26758 | Announced by | AS33651 | CMCS, US |
| AS39991 | Announced by | AS33651 | CMCS, US |
| AS393305 | Announced by | AS33651 | CMCS, US |
| AS394156 | Announced by | AS33651 | CMCS, US |
whois: 401308
IANA has recorded AS33651 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS33651\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2024, American Registry for Internet Numbers, Ltd.
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ASNumber: 33651
ASName: CMCS
ASHandle: AS33651
RegDate: 2005-02-16
Updated: 2021-01-25
Ref: https://rdap.arin.net/registry/autnum/33651
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
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2024, American Registry for Internet Numbers, Ltd.
#