33650 DNEO-OSP7 - Comcast Cable Communications, Inc.
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS7922 DNEO-OSP3 - Comcast Cable Communications, Inc.
AS7018 ATT-INTERNET4 - AT&T WorldNet Services
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 139 AS33650 ORIGIN Originate: 2395392 /10.81 Transit: 0 /0.00 DNEO-OSP7 - Comcast Cable Communications, Inc.
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 % 356 AS33650 DNEO-OSP7 - Comcast Cable Communications 94 42 4 56 38 40.43% Prefix AS Path Aggregation Suggestion 24.16.0.0/14 4637 3491 3549 7922 33650 24.16.0.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.16.64.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.16.128.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.16.192.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.17.0.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.17.64.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.17.128.0/19 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.17.160.0/19 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.17.192.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.18.0.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.18.64.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.18.128.0/19 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.18.160.0/19 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.18.192.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.19.0.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.19.64.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.19.128.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.19.192.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.16.0.0/14 4637 3491 3549 7922 33650 24.22.128.0/17 4637 3491 3549 7922 33650 + Announce - aggregate of 24.22.128.0/18 (4637 3491 3549 7922 33650) and 24.22.192.0/18 (4637 3491 3549 7922 33650) 24.22.128.0/18 4637 3491 3549 7922 33650 - Withdrawn - aggregated with 24.22.192.0/18 (4637 3491 3549 7922 33650) 24.22.192.0/18 4637 3491 3549 7922 33650 - Withdrawn - aggregated with 24.22.128.0/18 (4637 3491 3549 7922 33650) 24.41.32.0/19 4637 3491 3549 7922 33650 24.41.34.0/24 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 24.41.32.0/19 4637 3491 3549 7922 33650 67.160.0.0/17 4637 3491 3549 7922 33650 67.161.80.0/20 4637 3491 3549 7922 33650 67.161.96.0/19 4637 3491 3549 7922 33650 67.165.112.0/20 4637 3491 3549 7922 33650 67.168.0.0/17 4637 3491 3549 7922 33650 67.168.0.0/21 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 67.168.0.0/17 4637 3491 3549 7922 33650 67.168.128.0/18 4637 3491 3549 7922 33650 67.168.128.0/19 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 67.168.128.0/18 4637 3491 3549 7922 33650 67.168.160.0/19 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 67.168.128.0/18 4637 3491 3549 7922 33650 67.170.0.0/17 4637 3491 3549 7922 33650 67.171.0.0/18 4637 3491 3549 7922 33650 67.178.24.0/22 4637 3491 3561 7018 33650 33650 33650 33650 + Announce - aggregate of 67.178.24.0/23 (4637 3491 3561 7018 33650 33650 33650 33650) and 67.178.26.0/23 (4637 3491 3561 7018 33650 33650 33650 33650) 67.178.24.0/23 4637 3491 3561 7018 33650 33650 33650 33650 - Withdrawn - aggregated with 67.178.26.0/23 (4637 3491 3561 7018 33650 33650 33650 33650) 67.178.26.0/23 4637 3491 3561 7018 33650 33650 33650 33650 - Withdrawn - aggregated with 67.178.24.0/23 (4637 3491 3561 7018 33650 33650 33650 33650) 67.178.82.0/23 4637 3491 3561 7018 33650 33650 33650 33650 67.178.106.0/23 4637 3491 3549 7922 33650 67.178.114.0/23 4637 3491 3549 7922 33650 67.182.128.0/19 4637 3491 3549 7922 33650 67.183.0.0/16 4637 3491 3549 7922 33650 67.183.0.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 67.183.0.0/16 4637 3491 3549 7922 33650 67.183.64.0/19 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 67.183.0.0/16 4637 3491 3549 7922 33650 67.183.96.0/19 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 67.183.0.0/16 4637 3491 3549 7922 33650 67.183.128.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 67.183.0.0/16 4637 3491 3549 7922 33650 67.183.192.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 67.183.0.0/16 4637 3491 3549 7922 33650 68.85.240.0/23 4637 3491 3549 7922 33650 68.86.20.0/24 4637 3491 3549 7922 33650 68.86.96.0/22 4637 3491 3549 7922 33650 68.86.177.0/24 4637 3491 3549 7922 33650 69.241.104.0/23 4637 3491 3549 7922 33650 70.89.112.0/20 4637 3491 3549 7922 33650 70.89.128.0/21 4637 3491 3549 7922 33650 70.89.136.0/22 4637 3491 3549 7922 33650 70.89.152.0/22 4637 3491 3549 7922 33650 70.90.176.0/20 4637 3491 3549 7922 33650 70.91.200.0/22 4637 3491 3549 7922 33650 71.25.0.0/19 4637 3491 3561 7018 33650 33650 33650 33650 71.25.32.0/20 4637 3491 3561 7018 33650 33650 33650 33650 71.27.0.0/17 4637 3491 3561 7018 33650 33650 33650 33650 71.27.0.0/17 4637 3491 3549 7922 33650 + Announce - aggregate of 71.27.0.0/18 (4637 3491 3549 7922 33650) and 71.27.64.0/18 (4637 3491 3549 7922 33650) 71.27.0.0/18 4637 3491 3549 7922 33650 - Withdrawn - aggregated with 71.27.64.0/18 (4637 3491 3549 7922 33650) 71.27.64.0/18 4637 3491 3549 7922 33650 - Withdrawn - aggregated with 71.27.0.0/18 (4637 3491 3549 7922 33650) 71.197.128.0/17 4637 3491 3549 7922 33650 71.227.128.0/17 4637 3491 3549 7922 33650 71.231.0.0/16 4637 3491 3549 7922 33650 71.231.0.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 71.231.0.0/16 4637 3491 3549 7922 33650 71.231.64.0/19 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 71.231.0.0/16 4637 3491 3549 7922 33650 71.231.96.0/19 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 71.231.0.0/16 4637 3491 3549 7922 33650 71.231.128.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 71.231.0.0/16 4637 3491 3549 7922 33650 71.231.192.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 71.231.0.0/16 4637 3491 3549 7922 33650 73.96.0.0/13 4637 3491 3561 7018 33650 33650 33650 33650 73.104.0.0/15 4637 3491 3561 7018 33650 33650 33650 33650 73.106.0.0/17 4637 3491 3561 7018 33650 33650 33650 33650 73.202.0.0/17 4637 3491 3561 7018 33650 33650 33650 33650 73.220.0.0/16 4637 3491 3561 7018 33650 33650 33650 33650 73.246.0.0/16 4637 3491 3561 7018 33650 33650 33650 33650 74.18.64.0/18 4637 3491 3561 7018 33650 33650 33650 33650 74.24.0.0/17 4637 3491 3561 7018 33650 33650 33650 33650 74.29.128.0/17 4637 3491 3561 7018 33650 33650 33650 33650 74.92.224.0/21 4637 3491 3549 7922 33650 74.93.96.0/20 4637 3491 3549 7922 33650 74.94.64.0/20 4637 3491 3549 7922 33650 74.95.124.0/22 4637 3491 3561 7018 33650 33650 33650 33650 74.144.64.0/18 4637 3491 3561 7018 33650 33650 33650 33650 74.157.128.0/17 4637 3491 3561 7018 33650 33650 33650 33650 76.22.0.0/17 4637 3491 3549 7922 33650 76.28.128.0/17 4637 3491 3549 7922 33650 76.104.128.0/17 4637 3491 3549 7922 33650 76.104.128.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 76.104.128.0/17 4637 3491 3549 7922 33650 76.104.192.0/18 4637 3491 3549 7922 33650 - Withdrawn - matching aggregate 76.104.128.0/17 4637 3491 3549 7922 33650 76.140.0.0/17 4637 3491 3561 7018 33650 33650 33650 33650 76.149.0.0/16 4637 3491 3561 7018 33650 33650 33650 33650 209.91.32.0/19 4637 3491 3561 7018 33650 33650 33650 33650 + Announce - aggregate of 209.91.32.0/20 (4637 3491 3561 7018 33650 33650 33650 33650) and 209.91.48.0/20 (4637 3491 3561 7018 33650 33650 33650 33650) 209.91.32.0/20 4637 3491 3561 7018 33650 33650 33650 33650 - Withdrawn - aggregated with 209.91.48.0/20 (4637 3491 3561 7018 33650 33650 33650 33650) 209.91.48.0/20 4637 3491 3561 7018 33650 33650 33650 33650 - Withdrawn - aggregated with 209.91.32.0/20 (4637 3491 3561 7018 33650 33650 33650 33650)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS33650 100 More Specifics 100 Total Advertisements DNEO-OSP7 - Comcast Cable Communications, Inc.
24.16.0.0/14 24.16.0.0/13
24.16.0.0/18 24.16.0.0/13
24.16.64.0/18 24.16.0.0/13
24.16.128.0/18 24.16.0.0/13
24.16.192.0/18 24.16.0.0/13
24.17.0.0/18 24.16.0.0/13
24.17.64.0/18 24.16.0.0/13
24.17.128.0/19 24.16.0.0/13
24.17.160.0/19 24.16.0.0/13
24.17.192.0/18 24.16.0.0/13
24.18.0.0/18 24.16.0.0/13
24.18.64.0/18 24.16.0.0/13
24.18.128.0/19 24.16.0.0/13
24.18.160.0/19 24.16.0.0/13
24.18.192.0/18 24.16.0.0/13
24.19.0.0/18 24.16.0.0/13
24.19.64.0/18 24.16.0.0/13
24.19.128.0/18 24.16.0.0/13
24.19.192.0/18 24.16.0.0/13
24.22.128.0/18 24.16.0.0/13
24.22.192.0/18 24.16.0.0/13
24.41.32.0/19 24.41.0.0/18
67.160.0.0/17 67.160.0.0/11
67.161.80.0/20 67.160.0.0/11
67.161.96.0/19 67.160.0.0/11
67.165.112.0/20 67.160.0.0/11
67.168.0.0/17 67.160.0.0/11
67.168.128.0/18 67.160.0.0/11
67.168.128.0/19 67.160.0.0/11
67.168.160.0/19 67.160.0.0/11
67.170.0.0/17 67.160.0.0/11
67.171.0.0/18 67.160.0.0/11
67.178.24.0/23 67.160.0.0/11
67.178.26.0/23 67.160.0.0/11
67.178.82.0/23 67.160.0.0/11
67.178.106.0/23 67.160.0.0/11
67.178.114.0/23 67.160.0.0/11
67.182.128.0/19 67.160.0.0/11
67.183.0.0/16 67.160.0.0/11
67.183.0.0/18 67.160.0.0/11
67.183.64.0/19 67.160.0.0/11
67.183.96.0/19 67.160.0.0/11
67.183.128.0/18 67.160.0.0/11
67.183.192.0/18 67.160.0.0/11
68.85.240.0/23 68.80.0.0/13
68.86.20.0/24 68.80.0.0/13
68.86.96.0/22 68.80.0.0/13
68.86.177.0/24 68.80.0.0/13
69.241.104.0/23 69.240.0.0/12
70.89.112.0/20 70.88.0.0/14
70.89.128.0/21 70.88.0.0/14
70.89.136.0/22 70.88.0.0/14
70.89.152.0/22 70.88.0.0/14
70.90.176.0/20 70.88.0.0/14
70.91.200.0/22 70.88.0.0/14
71.25.0.0/19 71.24.0.0/14
71.25.32.0/20 71.24.0.0/14
71.27.0.0/17 71.24.0.0/14
71.27.0.0/18 71.24.0.0/14
71.27.64.0/18 71.24.0.0/14
71.197.128.0/17 71.192.0.0/12
71.227.128.0/17 71.224.0.0/12
71.231.0.0/16 71.224.0.0/12
71.231.0.0/18 71.224.0.0/12
71.231.64.0/19 71.224.0.0/12
71.231.96.0/19 71.224.0.0/12
71.231.128.0/18 71.224.0.0/12
71.231.192.0/18 71.224.0.0/12
73.96.0.0/13 73.0.0.0/8
73.104.0.0/15 73.0.0.0/8
73.106.0.0/17 73.0.0.0/8
73.202.0.0/17 73.0.0.0/8
73.220.0.0/16 73.0.0.0/8
73.246.0.0/16 73.0.0.0/8
74.18.64.0/18 74.16.0.0/12
74.24.0.0/17 74.16.0.0/12
74.29.128.0/17 74.16.0.0/12
74.92.224.0/21 74.92.0.0/14
74.93.96.0/20 74.92.0.0/14
74.94.64.0/20 74.92.0.0/14
74.95.124.0/22 74.92.0.0/14
74.144.64.0/18 74.144.0.0/12
74.157.128.0/17 74.144.0.0/12
75.145.16.0/20 75.144.0.0/14
75.146.48.0/20 75.144.0.0/14
76.22.0.0/17 76.16.0.0/12
76.28.128.0/17 76.16.0.0/12
76.104.128.0/17 76.96.0.0/11
76.104.128.0/18 76.96.0.0/11
76.104.192.0/18 76.96.0.0/11
76.121.0.0/16 76.96.0.0/11
76.121.0.0/17 76.96.0.0/11
76.121.128.0/17 76.96.0.0/11
76.140.0.0/17 76.128.0.0/11
76.149.0.0/16 76.128.0.0/11
96.166.0.0/15 96.160.0.0/12
98.45.0.0/16 98.32.0.0/12
98.203.128.0/17 98.192.0.0/12
209.91.32.0/20 209.91.0.0/18
209.91.48.0/20 209.91.0.0/18
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 75.145.16.0/20 Announced
+ 76.121.0.0/17 Announced
+ 76.121.128.0/17 Announced
| Bogus AS | Announcing-AS | ||
|---|---|---|---|
| AS62801 | Announced by | AS33650 | COMCAST-33650 - Comcast Cable Communications, LLC, US |
whois: 402603
IANA has recorded AS33650 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS33650\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
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# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 33650
ASName: COMCAST-33650
ASHandle: AS33650
RegDate: 2005-02-16
Updated: 2021-01-25
Ref: https://rdap.arin.net/registry/autnum/33650
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
#
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# 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 1997-2026, American Registry for Internet Numbers, Ltd.
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