33491 COMCAST-33491, US
Adjacency: 208 Upstream: 2 Downstream: 206
Upstream Adjacent AS list
AS3356 LEVEL3, US
AS7922 COMCAST-7922, US
Downstream Adjacent AS list
AS17196 COD-GE-IL, US
AS26255 OAKTONCOMMUNITYCOLLEGE, US
AS11632 ASPS-HQ-ASN01, US
AS11770 NET56, US
AS11622 OFPD, US
AS10425 -Reserved AS-, ZZ
AS13430 THEWISP-NWIL, US
AS13349 TCU-NET, US
AS131993 QUINNOX-IN UNIT 107 MULTISTORIED BUILDING, SEEPZ, IN
AS13484 3DE, US
AS13950 DLS-INTERNET-SERVICES, US
AS13953 SVCC-EDU, US
AS14386 COMGRAPHICS-CGICHICAGO, US
AS14579 EDWARDJONES, US
AS14046 KCOL, US
AS13744 THP-BGP, US
AS14711 BRKTOOLS, US
AS12250 EHSC, US
AS15303 NIKE-SECURITIES, US
AS14870 FLEXERA-SC4, US
AS15337 WRHARPER, US
AS14858 HISNET, US
AS16563 NEXUM-ASN, US
AS16706 ORTHONE, US
AS17010 HOOSIER-ENERGY, US
AS16627 BCCA-AS, US
AS16593 FMCIN, US
AS16567 NETRIX-16567, US
AS17091 HOLLCORP, US
AS17317 THING5-NA, US
AS1777 SAINT-XAVIER-UNIVERSITY-CHICAGO, US
AS17035 NBCUNI-17035, US
AS19065 LRS, US
AS19443 STAPLES, US
AS19265 MHS-MMC-2401, US
AS19247 AS19247, US
AS19131 LIVESS-01, US
AS19690 HYATT-CORP, US
AS19047 AWS-01, US
AS18784 MCD-US-ASN, US
AS19980 CAREERED, US
AS19971 QCNTR1405N5, US
AS19941 CONCORDIA-UNIVERSITY-CHICAGO, US
AS18743 EVERENCE-SERVICES-LLC, US
AS20441 HGSUSA-AS-1, US
AS21611 NET-WSGWIN, US
AS21798 INTERNATIONALDELIVERS, US
AS22027 CBTS-USONX-01, US
AS21908 FAMILY-VIDEO-INTERNET, US
AS22034 MCMNET, US
AS21514 LEGACY, US
AS22187 RAULAND-BORG, US
AS20310 ITW-CORPORATE, US
AS25716 INGERSOLL-RAND, US
AS22770 WHEELS-COM, US
AS22663 PROMINIC-NET-INC, US
AS25978 -Reserved AS-, ZZ
AS22448 MICRO-SPEC, US
AS22289 CEFCU, US
AS22214 MEDELAINC, US
AS26541 GUAVA-AS, US
AS26532 MACLEAN-FOGG, US
AS26245 ROBERT-H, US
AS26820 HERFF-JONES, US
AS26840 ABG, US
AS26028 PANDUIT, US
AS27019 BALLNET, US
AS27289 -Reserved AS-, ZZ
AS27004 SFB, US
AS27358 TRUSTMARK-INSURANCE-INTERNET, US
AS27369 SWEDISH, US
AS26966 SPRAY-AS, US
AS26912 NCH-AS1, US
AS29817 LCB-ARIN-113, US
AS29954 JLL-AM-CHI, US
AS30278 EQUITYNET, US
AS29891 NCCWO-ASN1-VZBLVL3CMCST, US
AS30553 THOREK-30553, US
AS27562 RHC-INT, US
AS27482 AECP-AS, US
AS31755 VISKASE-COMPANIES-INC-ASN, US
AS31773 AS-COREBTS-1, US
AS32190 ADS-17-32190, US
AS32143 VNILESASNET, US
AS31790 SANDC-, CA
AS32304 AS-NATUSMED, US
AS32321 NEWARKNET, US
AS32280 THE-EWSCRIPPS, US
AS32407 FREEDOM-MORTGAGE, US
AS32649 FE-DC-BGP, US
AS32528 ABBOTT-LABS-2, US
AS33184 MEDDATA-SEATTLE, US
AS33019 WHEATONCOLLEGE, US
AS32985 FSS-COMCAST-ASN01, US
AS33248 COE-AS, US
AS32375 HP-ASN, US
AS30573 OLDSECONDBANCORP, US
AS33460 WAUBONSEE-COMMUNITY-COLLEGE, US
AS33442 ZEBRA-TECHNOLOGIES-BGP-AS-NUMBER, US
AS33519 BCU-ASN01, US
AS33512 GATEWAY-PROCESSING-SERVICES, US
AS36319 ENWHC, US
AS36373 COMMUNITY-HEALTH-NETWORK, US
AS36443 AUNALYTICS-INC, US
AS35961 AIM-33-AS, US
AS33540 ALZHEI-ASN, US
AS33461 COMMUNITY-FOUNDATION-OF-NORTHWEST-INDIANA, US
AS393330 IRI-BGP, US
AS393405 SCCUSD-AS, US
AS393677 HLS, US
AS393712 DMA-FWA-DC, US
AS393745 WI-TRONIX-AS1, US
AS393998 EGV-BGP, US
AS393863 DMA-IND-DC, US
AS394115 ABL-ASN, US
AS393781 HELMGROUP-FREEPORT, US
AS393708 4EOS-COM, US
AS393505 CENTRACU, US
AS394798 CPD-AS, US
AS394518 CHSD230, US
AS36478 ALLIANTCU, US
AS395505 IMANAGE, US
AS395451 HOSTIT, US
AS395556 -Reserved AS-, ZZ
AS395814 WABASHVALLEYPOWERASSOC, US
AS395691 XTTRIUM-ASN, US
AS395858 RAVINIA-BGP, US
AS395835 AJA-ASN, US
AS395581 SIMSMM-US-INET, US
AS396036 CPI-ASN, US
AS396240 ASNAHRVHHQ, US
AS396210 AAAHC-HQ, US
AS396021 COMCAST-MES, US
AS395936 ASN-ROVHIL, US
AS396492 DBISP, US
AS396525 GDF-IL01, US
AS396307 SOUTHERNIMPERIAL, US
AS396247 AESHS125, US
AS394845 REMPREX-BGP, US
AS33331 VALIDUSA1, US
AS22197 APPS, US
AS397512 BGP-HQ-01, US
AS396995 BGP, US
AS397694 SMG, US
AS397567 ALERA-GROUP, US
AS398018 WPP-IT-CHICAGO, US
AS398030 ATFBGP-LIN, US
AS397936 DCCOMP-IL-DXN, US
AS399484 ROCKFORD-UNIVERSITY, US
AS398456 VIO-PROD-01, US
AS399488 DSB, US
AS398421 SACS-CMT, US
AS399514 HORIZONBANK, US
AS398267 IHMA-GLOBAL-01, US
AS398135 NWNC, US
AS399721 AS-MS-78065, US
AS400236 EACS-5, US
AS400017 AS-CORP-RM-817, US
AS400505 HARRIS-AS-02, US
AS40038 MORAINEVALLEY-NET, US
AS40203 GROWMARK, US
AS40417 INTERACTIONSCORP, US
AS40293 BENEDICTINE-UNIVERSITY, US
AS40101 FBHS, US
AS40668 FENWAL-INCORPORATED, US
AS40559 CROSSCOM, US
AS40710 CLC-98-ILLINOIS, US
AS46459 ADSALARM, US
AS46631 CITYOFWHEATON, US
AS46398 PII, US
AS47092 ITRNA, US
AS4912 CENTIER, US
AS46815 -Reserved AS-, ZZ
AS40801 LEWISU-ROMEOVILLE, US
AS40520 STBH-ORG, US
AS399976 NOVANETWORKS, US
AS399553 HB-MAIN-ASN, US
AS53643 MCUSDN-INET, US
AS53652 PMDC, US
AS53617 ECSFI, US
AS4917 AMDOCS-AS, US
AS396831 -Reserved AS-, ZZ
AS54278 -Reserved AS-, ZZ
AS54246 AFNI-INTERNET, US
AS54056 PCA-AS, US
AS53943 PAYLOCITY, US
AS54293 VOCERA-AS, US
AS54671 WPCASN, US
AS55089 SC-ASN, US
AS55037 FIRST-BUSEY-CORPORATION, US
AS54792 CHICAGOWHITESOX, US
AS62569 SAGAS-AS, US
AS62544 OPEN-AIR-WIRELESS, US
AS63014 -Reserved AS-, ZZ
AS62945 CORNERSTONE, US
AS63206 INOVA-AS, US
AS63310 AS-NABP, US
AS63207 LBJI-ASN, US
AS6479 MCHENRY, US
AS64230 MBX-LIB, US
AS63487 FELLOWES-ASN, US
AS62826 CSO-AS, US
AS55152 IFCJAS-01, US
AS54583 54583, US
AS53851 PAMPEREDCHEF, US
AS15644 FRESENIUS, DE
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 2987 AS33491 ORG+TRN Originate: 72192 /15.86 Transit: 319488 /13.71 COMCAST-33491, 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 % 21979 AS33491 COMCAST-33491, US 105 2 1 104 1 0.95% Prefix AS Path Aggregation Suggestion 23.177.32.0/24 4777 2516 7922 33491 24.104.47.0/24 4777 2516 7922 33491 50.171.31.0/24 4777 2516 7922 33491 50.171.96.0/24 4777 2516 7922 33491 50.171.181.0/24 4777 2516 7922 33491 50.171.209.0/24 4777 2516 7922 33491 50.171.228.0/24 4777 2516 7922 33491 50.200.5.0/24 4777 2516 7922 33491 50.200.103.0/24 4777 2516 7922 33491 50.200.104.0/24 4777 2516 7922 33491 50.200.108.0/22 4777 2516 7922 33491 50.201.119.0/24 4777 2516 7922 33491 50.201.191.0/24 4777 2516 7922 33491 50.202.73.0/24 4777 2516 7922 33491 50.203.171.0/24 4777 2516 7922 33491 50.203.174.0/24 4777 2516 7922 33491 50.203.202.0/24 4777 2516 7922 33491 50.204.23.0/24 4777 2516 7922 33491 50.204.80.0/24 4777 2516 7922 33491 50.204.91.0/24 4777 2516 7922 33491 50.204.189.0/24 4777 2516 7922 33491 50.205.54.0/23 4777 2516 7922 33491 50.205.166.0/24 4777 2516 7922 33491 50.206.250.0/24 4777 2516 7922 33491 50.207.195.0/24 4777 2516 7922 33491 50.207.233.0/24 4777 2516 7922 33491 50.216.36.0/24 4777 2516 7922 33491 50.216.160.0/24 4777 2516 7922 33491 50.216.200.0/24 4777 2516 7922 33491 50.216.227.0/24 4777 2516 7922 33491 50.217.41.0/24 4777 2516 7922 33491 50.217.237.0/24 4777 2516 7922 33491 50.218.78.0/24 4777 2516 7922 33491 50.219.59.0/24 4777 2516 7922 33491 50.219.60.0/24 4777 2516 7922 33491 50.220.44.0/24 4777 2516 7922 33491 50.220.116.0/24 4777 2516 7922 33491 50.220.130.0/23 4777 2516 7922 33491 50.220.188.0/24 4777 2516 7922 33491 50.221.50.0/24 4777 2516 7922 33491 50.221.82.0/24 4777 2516 7922 33491 50.223.244.0/24 4777 2516 7922 33491 50.224.45.0/24 4777 2516 7922 33491 50.224.140.0/23 4777 2516 7922 33491 50.224.194.0/24 4777 2516 7922 33491 50.225.88.0/24 4777 2516 7922 33491 50.225.94.0/24 4777 2516 7922 33491 50.226.35.0/24 4777 2516 7922 33491 50.227.239.0/24 4777 2516 7922 33491 50.228.97.0/24 4777 2516 7922 33491 50.229.76.0/22 4777 2516 7922 33491 50.230.91.0/24 4608 4826 3356 33491 50.230.112.0/24 4777 2516 7922 33491 50.231.36.0/24 4777 2516 7922 33491 50.231.52.0/24 4777 2516 7922 33491 50.231.119.0/24 4777 2516 7922 33491 50.231.218.0/24 4777 2516 7922 33491 50.231.221.0/24 4777 2516 7922 33491 50.232.93.0/24 4777 2516 7922 33491 50.232.95.0/24 4777 2516 7922 33491 50.232.142.0/24 4777 2516 7922 33491 50.232.176.0/24 4777 2516 7922 33491 50.232.195.0/24 4777 2516 7922 33491 50.233.216.0/24 4777 2516 7922 33491 50.233.247.0/24 4777 2516 7922 33491 50.234.21.0/24 4777 2516 7922 33491 50.234.141.0/24 4777 2516 7922 33491 50.235.155.0/24 4777 2516 7922 33491 50.237.12.0/24 4777 2516 7922 33491 50.237.39.0/24 4777 2516 7922 33491 50.237.111.0/24 4608 4826 3356 33491 50.237.112.0/24 4608 4826 3356 33491 50.237.169.0/24 4777 2516 7922 33491 50.238.81.0/24 4777 2516 7922 33491 50.239.160.0/24 4777 2516 7922 33491 63.174.218.0/24 4777 2516 7922 33491 64.25.96.0/21 4608 4826 3356 33491 66.240.58.0/24 4777 2516 7922 33491 107.0.70.0/24 4777 2516 7922 33491 107.0.79.0/24 4777 2516 7922 33491 107.0.96.0/23 4777 2516 7922 33491 107.0.125.0/24 4777 2516 7922 33491 107.0.138.0/24 4777 2516 7922 33491 107.0.182.0/23 4777 2516 7922 33491 107.0.212.0/24 4777 2516 7922 33491 107.0.216.0/24 4777 2516 7922 33491 107.1.102.0/23 4777 2516 7922 33491 107.1.211.0/24 4777 2516 7922 33491 107.1.219.0/24 4777 2516 7922 33491 107.1.253.0/24 4777 2516 7922 33491 164.68.0.0/18 4777 2516 7922 33491 164.68.64.0/19 4777 2516 7922 33491 168.102.131.0/24 4608 4826 3356 33491 192.137.57.0/24 4608 4826 3356 33491 199.5.59.0/24 4777 2516 7922 33491 199.5.60.0/23 4777 2516 7922 33491 + Announce - aggregate of 199.5.60.0/24 (4777 2516 7922 33491) and 199.5.61.0/24 (4777 2516 7922 33491) 199.5.60.0/24 4777 2516 7922 33491 - Withdrawn - aggregated with 199.5.61.0/24 (4777 2516 7922 33491) 199.5.61.0/24 4777 2516 7922 33491 - Withdrawn - aggregated with 199.5.60.0/24 (4777 2516 7922 33491) 199.5.63.0/24 4777 2516 7922 33491 199.68.13.0/24 4608 4826 3356 33491 204.68.241.0/24 4777 2516 7922 33491 204.152.156.0/24 4608 4826 3356 33491 204.194.2.0/24 4608 4826 3356 33491 205.167.202.0/23 4608 4826 3356 33491 209.23.249.0/24 4777 2516 7922 33491 209.153.0.0/18 4608 4826 3356 33491
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS33491 96 More Specifics 105 Total Advertisements COMCAST-33491, US
24.104.47.0/24 24.104.0.0/17
50.171.31.0/24 50.128.0.0/9
50.171.96.0/24 50.128.0.0/9
50.171.181.0/24 50.128.0.0/9
50.171.209.0/24 50.128.0.0/9
50.171.228.0/24 50.128.0.0/9
50.200.5.0/24 50.128.0.0/9
50.200.103.0/24 50.128.0.0/9
50.200.104.0/24 50.128.0.0/9
50.200.108.0/22 50.128.0.0/9
50.201.119.0/24 50.128.0.0/9
50.201.191.0/24 50.128.0.0/9
50.202.73.0/24 50.128.0.0/9
50.203.171.0/24 50.128.0.0/9
50.203.174.0/24 50.128.0.0/9
50.203.202.0/24 50.128.0.0/9
50.204.23.0/24 50.128.0.0/9
50.204.80.0/24 50.128.0.0/9
50.204.91.0/24 50.128.0.0/9
50.204.189.0/24 50.128.0.0/9
50.205.54.0/23 50.128.0.0/9
50.205.166.0/24 50.128.0.0/9
50.206.250.0/24 50.128.0.0/9
50.207.195.0/24 50.128.0.0/9
50.207.233.0/24 50.128.0.0/9
50.216.36.0/24 50.128.0.0/9
50.216.160.0/24 50.128.0.0/9
50.216.200.0/24 50.128.0.0/9
50.216.227.0/24 50.128.0.0/9
50.217.41.0/24 50.128.0.0/9
50.217.237.0/24 50.128.0.0/9
50.218.78.0/24 50.128.0.0/9
50.219.59.0/24 50.128.0.0/9
50.219.60.0/24 50.128.0.0/9
50.220.44.0/24 50.128.0.0/9
50.220.116.0/24 50.128.0.0/9
50.220.130.0/23 50.128.0.0/9
50.220.188.0/24 50.128.0.0/9
50.221.50.0/24 50.128.0.0/9
50.221.82.0/24 50.128.0.0/9
50.223.244.0/24 50.128.0.0/9
50.224.45.0/24 50.128.0.0/9
50.224.140.0/23 50.128.0.0/9
50.224.194.0/24 50.128.0.0/9
50.225.88.0/24 50.128.0.0/9
50.225.94.0/24 50.128.0.0/9
50.226.35.0/24 50.128.0.0/9
50.227.239.0/24 50.128.0.0/9
50.228.97.0/24 50.128.0.0/9
50.229.76.0/22 50.128.0.0/9
50.230.91.0/24 50.128.0.0/9
50.230.112.0/24 50.128.0.0/9
50.231.36.0/24 50.128.0.0/9
50.231.52.0/24 50.128.0.0/9
50.231.119.0/24 50.128.0.0/9
50.231.218.0/24 50.128.0.0/9
50.231.221.0/24 50.128.0.0/9
50.232.93.0/24 50.128.0.0/9
50.232.95.0/24 50.128.0.0/9
50.232.142.0/24 50.128.0.0/9
50.232.176.0/24 50.128.0.0/9
50.232.195.0/24 50.128.0.0/9
50.233.216.0/24 50.128.0.0/9
50.233.247.0/24 50.128.0.0/9
50.234.21.0/24 50.128.0.0/9
50.234.141.0/24 50.128.0.0/9
50.235.155.0/24 50.128.0.0/9
50.237.12.0/24 50.128.0.0/9
50.237.39.0/24 50.128.0.0/9
50.237.111.0/24 50.128.0.0/9
50.237.112.0/24 50.128.0.0/9
50.237.169.0/24 50.128.0.0/9
50.238.81.0/24 50.128.0.0/9
50.239.160.0/24 50.128.0.0/9
63.174.218.0/24 63.160.0.0/12
66.240.58.0/24 66.240.0.0/18
107.0.70.0/24 107.0.0.0/14
107.0.79.0/24 107.0.0.0/14
107.0.96.0/23 107.0.0.0/14
107.0.125.0/24 107.0.0.0/14
107.0.138.0/24 107.0.0.0/14
107.0.182.0/23 107.0.0.0/14
107.0.212.0/24 107.0.0.0/14
107.0.216.0/24 107.0.0.0/14
107.1.102.0/23 107.0.0.0/14
107.1.211.0/24 107.0.0.0/14
107.1.219.0/24 107.0.0.0/14
107.1.253.0/24 107.0.0.0/14
199.5.59.0/24 199.5.32.0/19
199.5.60.0/24 199.5.32.0/19
199.5.61.0/24 199.5.32.0/19
199.5.63.0/24 199.5.32.0/19
199.68.13.0/24 199.68.12.0/23
204.152.156.0/24 204.152.156.0/22
204.194.2.0/24 204.194.0.0/22
209.23.249.0/24 209.23.192.0/18
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 50.171.228.0/24 Announced
| Bogus AS | Announcing-AS | ||
|---|---|---|---|
| AS10425 | Announced by | AS33491 | COMCAST-33491, US |
| AS25978 | Announced by | AS33491 | COMCAST-33491, US |
| AS27289 | Announced by | AS33491 | COMCAST-33491, US |
| AS46815 | Announced by | AS33491 | COMCAST-33491, US |
| AS54278 | Announced by | AS33491 | COMCAST-33491, US |
| AS63014 | Announced by | AS33491 | COMCAST-33491, US |
| AS395556 | Announced by | AS33491 | COMCAST-33491, US |
| AS396831 | Announced by | AS33491 | COMCAST-33491, US |
whois: 401308
IANA has recorded AS33491 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS33491\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.
#
ASNumber: 33491
ASName: COMCAST-33491
ASHandle: AS33491
RegDate: 2004-12-30
Updated: 2021-01-25
Ref: https://rdap.arin.net/registry/autnum/33491
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
OrgRoutingHandle: ROUTI25-ARIN
OrgRoutingName: Routing
OrgRoutingPhone: +1-856-792-2300
OrgRoutingEmail: routing@comcast.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/ROUTI25-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
#
# 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.
#