Routing security

AS33662 CMCS

Unclassified APNIC Cable/DSL/ISP

RPKI valid 98% 116 of 118 announcements

RPKI invalid 0 none

No ROA 2 not covered by any ROA

IRR registered 2% 109 missing · 7 other origin

ROAs 3,440 authorising this AS

Announcements

What this network originates

118 observed

Every prefix observed with AS33662 as its origin, checked against RPKI and the IRR. Problems sort first.

Prefix	RPKI	IRR	Vantage points
64.189.25.0/24	No ROA	IRR other origin	53
198.46.65.0/24	No ROA	No IRR	53
24.104.75.0/24	RPKI valid	No IRR	51
50.201.112.0/24	RPKI valid	No IRR	50
50.217.18.0/24	RPKI valid	No IRR	51
50.220.66.0/24	RPKI valid	No IRR	51
50.228.10.0/24	RPKI valid	No IRR	51
50.228.194.0/24	RPKI valid	No IRR	51
50.231.217.0/24	RPKI valid	No IRR	51
50.232.18.0/24	RPKI valid	No IRR	51
50.232.206.0/24	RPKI valid	No IRR	51
50.234.8.0/24	RPKI valid	No IRR	51
50.235.195.0/24	RPKI valid	No IRR	51
50.235.196.0/24	RPKI valid	No IRR	50
208.110.207.0/24	RPKI valid	No IRR	52
2001:559:1b3::/48	RPKI valid	IRR other origin	29
2001:559:1e9::/48	RPKI valid	No IRR	1
2001:559:1f2::/48	RPKI valid	No IRR	29
2001:559:3e3::/48	RPKI valid	No IRR	29
2001:559:3e4::/48	RPKI valid	No IRR	29
2001:559:3ed::/48	RPKI valid	No IRR	29
2001:559:4b7::/48	RPKI valid	No IRR	29
2001:559:4fe::/48	RPKI valid	No IRR	29
2001:559:5ab::/48	RPKI valid	No IRR	29
2001:559:12f::/48	RPKI valid	No IRR	29
2001:559:18c::/48	RPKI valid	IRR other origin	29
2001:559:38d::/48	RPKI valid	IRR other origin	29
2001:559:42::/48	RPKI valid	No IRR	29
2001:559:81c9::/48	RPKI valid	No IRR	29
2001:559:83c1::/48	RPKI valid	No IRR	29
2001:559:83de::/48	RPKI valid	No IRR	29
2001:559:83fa::/48	RPKI valid	No IRR	29
2001:559:84b7::/48	RPKI valid	No IRR	29
2001:559:85ac::/48	RPKI valid	No IRR	29
2001:559:85ce::/48	RPKI valid	No IRR	29
2001:559:85cf::/48	RPKI valid	No IRR	29
2001:559:85d0::/48	RPKI valid	No IRR	29
2001:559:85d7::/48	RPKI valid	No IRR	29
2001:559:85d9::/48	RPKI valid	No IRR	29
2001:559:85e9::/48	RPKI valid	No IRR	29
2001:559:85ed::/48	RPKI valid	No IRR	29
2001:559:85f8::/48	RPKI valid	No IRR	29
2001:559:86ae::/48	RPKI valid	No IRR	29
2001:559:86d6::/48	RPKI valid	No IRR	29
2001:559:86d7::/48	RPKI valid	No IRR	29
2001:559:86d8::/48	RPKI valid	No IRR	29
2001:559:87d0::/48	RPKI valid	No IRR	29
2001:559:130::/48	RPKI valid	No IRR	29
2001:559:153::/48	RPKI valid	No IRR	29
2001:559:256::/48	RPKI valid	No IRR	29
2001:559:265::/48	RPKI valid	No IRR	29
2001:559:287::/48	RPKI valid	No IRR	29
2001:559:334::/48	RPKI valid	No IRR	29
2001:559:351::/48	RPKI valid	No IRR	29
2001:559:392::/48	RPKI valid	No IRR	29
2001:559:397::/48	RPKI valid	No IRR	29
2001:559:398::/48	RPKI valid	No IRR	29
2001:559:728::/48	RPKI valid	No IRR	29
2001:559:804d::/48	RPKI valid	No IRR	29
2001:559:852d::/48	RPKI valid	No IRR	29
2001:559:852e::/48	RPKI valid	No IRR	29
2001:559:852f::/48	RPKI valid	No IRR	29
2001:559:857b::/48	RPKI valid	No IRR	29
2001:559:863f::/48	RPKI valid	No IRR	29
2001:559:866f::/48	RPKI valid	No IRR	29
2001:559:8012::/48	RPKI valid	No IRR	29
2001:559:8156::/48	RPKI valid	No IRR	29
2001:559:8168::/48	RPKI valid	No IRR	29
2001:559:8172::/48	RPKI valid	No IRR	29
2001:559:8311::/48	RPKI valid	No IRR	29
2001:559:8472::/48	RPKI valid	No IRR	29
2001:559:8544::/48	RPKI valid	No IRR	29
2001:559:8603::/48	RPKI valid	No IRR	29
2001:559:8739::/48	RPKI valid	No IRR	29
2001:559:8748::/48	RPKI valid	No IRR	29
2001:559:8771::/48	RPKI valid	No IRR	29
2001:559:8772::/48	RPKI valid	No IRR	29
2001:559:8783::/48	RPKI valid	No IRR	29
2001:559:c0e8::/48	RPKI valid	No IRR	29
2001:559:c1a6::/48	RPKI valid	No IRR	29
2001:559:c1fc::/48	RPKI valid	No IRR	29
2001:559:c1fe::/48	RPKI valid	IRR other origin	29
2001:559:c1ff::/48	RPKI valid	No IRR	29
2001:559:c2d0::/48	RPKI valid	No IRR	29
2001:559:c3ae::/48	RPKI valid	No IRR	29
2001:559:c4e2::/48	RPKI valid	No IRR	29
2001:559:c020::/48	RPKI valid	No IRR	29
2001:559:c20f::/48	RPKI valid	No IRR	29
2001:559:c021::/48	RPKI valid	No IRR	29
2001:559:c23f::/48	RPKI valid	No IRR	29
2001:559:c26f::/48	RPKI valid	No IRR	29
2001:559:c37e::/48	RPKI valid	No IRR	29
2001:559:c37f::/48	RPKI valid	IRR other origin	29
2001:559:c42d::/48	RPKI valid	No IRR	29
2001:559:c42f::/48	RPKI valid	No IRR	29
2001:559:c46f::/48	RPKI valid	No IRR	29
2001:559:c56a::/48	RPKI valid	No IRR	29
2001:559:c157::/48	RPKI valid	No IRR	29
2001:559:c181::/48	RPKI valid	No IRR	29
2001:559:c200::/48	RPKI valid	No IRR	29

RPKI · ROAs

Route origin authorisations

3,440 ROAs

Signed statements by address holders that AS33662 may originate these prefixes, up to the maximum length shown.

Prefix	Max length	Trust anchor
23.30.64.0/19	/19	ARIN
24.104.75.0/24	/24	ARIN
24.124.170.0/23	/23	ARIN
50.78.32.0/21	/21	ARIN
50.78.216.0/21	/21	ARIN
50.79.136.0/21	/21	ARIN
50.79.240.0/20	/20	ARIN
50.148.0.0/18	/18	ARIN
50.172.163.0/24	/24	ARIN
50.172.175.0/24	/24	ARIN
50.172.239.0/24	/24	ARIN
50.176.64.0/19	/19	ARIN
50.188.64.0/18	/18	ARIN
50.190.128.0/19	/19	ARIN
50.191.64.0/19	/19	ARIN
50.192.64.0/19	/19	ARIN
50.194.160.0/19	/19	ARIN
50.197.192.0/19	/19	ARIN
50.200.67.0/24	/24	ARIN
50.201.112.0/24	/24	ARIN
50.201.142.0/24	/24	ARIN
50.203.75.0/24	/24	ARIN
50.205.109.0/24	/24	ARIN
50.208.64.0/19	/19	ARIN
50.209.96.0/19	/19	ARIN
50.209.208.0/20	/20	ARIN
50.210.192.0/19	/19	ARIN
50.213.160.0/19	/19	ARIN
50.215.64.0/18	/18	ARIN
50.216.38.0/24	/24	ARIN
50.217.18.0/24	/24	ARIN
50.217.175.0/24	/24	ARIN
50.220.66.0/24	/24	ARIN
50.220.144.0/23	/23	ARIN
50.220.146.0/23	/23	ARIN
50.221.187.0/24	/24	ARIN
50.223.168.0/24	/24	ARIN
50.224.223.0/24	/24	ARIN
50.228.10.0/24	/24	ARIN
50.228.194.0/24	/24	ARIN
50.230.22.0/24	/24	ARIN
50.231.217.0/24	/24	ARIN
50.231.253.0/24	/24	ARIN
50.232.18.0/24	/24	ARIN
50.232.206.0/24	/24	ARIN
50.234.8.0/24	/24	ARIN
50.235.150.0/24	/24	ARIN
50.235.195.0/24	/24	ARIN
50.235.196.0/24	/24	ARIN
50.239.74.0/24	/24	ARIN
50.239.205.0/24	/24	ARIN
50.240.224.0/19	/19	ARIN
50.244.96.0/19	/19	ARIN
50.246.32.0/19	/19	ARIN
50.249.64.0/19	/19	ARIN
50.252.32.0/19	/19	ARIN
50.254.96.0/19	/19	ARIN
68.85.87.0/24	/24	ARIN
68.85.244.0/22	/22	ARIN
68.85.248.0/21	/21	ARIN
68.86.54.0/23	/23	ARIN
69.139.208.0/22	/22	ARIN
69.241.80.0/23	/23	ARIN
69.252.119.0/24	/24	ARIN
69.252.124.0/22	/22	ARIN
69.252.210.0/23	/23	ARIN
73.6.0.0/16	/16	ARIN
73.6.0.0/23	/23	ARIN
73.6.2.0/23	/23	ARIN
73.6.4.0/23	/23	ARIN
73.6.8.0/23	/23	ARIN
73.6.10.0/23	/23	ARIN
73.6.12.0/23	/23	ARIN
73.6.14.0/23	/23	ARIN
73.6.16.0/23	/23	ARIN
73.6.18.0/23	/23	ARIN
73.6.20.0/23	/23	ARIN
73.6.22.0/23	/23	ARIN
73.6.24.0/22	/22	ARIN
73.6.28.0/22	/22	ARIN
73.6.32.0/21	/21	ARIN
73.6.40.0/23	/23	ARIN
73.6.42.0/24	/24	ARIN
73.6.43.0/24	/24	ARIN
73.6.44.0/23	/23	ARIN
73.6.46.0/23	/23	ARIN
73.6.48.0/23	/23	ARIN
73.6.50.0/23	/23	ARIN
73.6.52.0/23	/23	ARIN
73.6.54.0/23	/23	ARIN
73.6.56.0/23	/23	ARIN
73.6.58.0/23	/23	ARIN
73.6.62.0/23	/23	ARIN
73.6.64.0/24	/24	ARIN
73.6.65.0/24	/24	ARIN
73.6.66.0/24	/24	ARIN
73.6.67.0/24	/24	ARIN
73.6.68.0/24	/24	ARIN
73.6.69.0/24	/24	ARIN
73.6.70.0/23	/23	ARIN
73.6.72.0/23	/23	ARIN
73.6.74.0/23	/23	ARIN
73.6.76.0/24	/24	ARIN
73.6.77.0/24	/24	ARIN
73.6.80.0/23	/23	ARIN
73.6.82.0/23	/23	ARIN
73.6.84.0/23	/23	ARIN
73.6.86.0/23	/23	ARIN
73.6.90.0/23	/23	ARIN
73.6.92.0/23	/23	ARIN
73.6.94.0/23	/23	ARIN
73.6.96.0/23	/23	ARIN
73.6.98.0/23	/23	ARIN
73.6.100.0/23	/23	ARIN
73.6.102.0/23	/23	ARIN
73.6.104.0/23	/23	ARIN
73.6.110.0/23	/23	ARIN
73.6.112.0/23	/23	ARIN
73.6.114.0/24	/24	ARIN
73.6.115.0/24	/24	ARIN
73.6.116.0/24	/24	ARIN
73.6.117.0/24	/24	ARIN
73.6.118.0/24	/24	ARIN
73.6.119.0/24	/24	ARIN
73.6.120.0/23	/23	ARIN
73.6.122.0/23	/23	ARIN
73.6.124.0/23	/23	ARIN
73.6.126.0/23	/23	ARIN
73.6.128.0/23	/23	ARIN
73.6.130.0/23	/23	ARIN
73.6.132.0/22	/22	ARIN
73.6.136.0/23	/23	ARIN
73.6.138.0/23	/23	ARIN
73.6.140.0/23	/23	ARIN
73.6.142.0/24	/24	ARIN
73.6.143.0/24	/24	ARIN
73.6.146.0/24	/24	ARIN
73.6.147.0/24	/24	ARIN
73.6.148.0/23	/23	ARIN
73.6.150.0/23	/23	ARIN
73.6.152.0/23	/23	ARIN
73.6.154.0/24	/24	ARIN
73.6.155.0/24	/24	ARIN
73.6.156.0/23	/23	ARIN
73.6.158.0/23	/23	ARIN
73.6.160.0/22	/22	ARIN
73.6.164.0/23	/23	ARIN
73.6.166.0/24	/24	ARIN
73.6.168.0/22	/22	ARIN
73.6.172.0/23	/23	ARIN
73.6.174.0/24	/24	ARIN
73.6.175.0/24	/24	ARIN
73.6.176.0/23	/23	ARIN
73.6.178.0/23	/23	ARIN
73.6.180.0/23	/23	ARIN
73.6.182.0/23	/23	ARIN
73.6.184.0/23	/23	ARIN
73.6.186.0/23	/23	ARIN
73.6.188.0/23	/23	ARIN
73.6.190.0/23	/23	ARIN
73.6.192.0/23	/23	ARIN
73.6.194.0/23	/23	ARIN
73.6.196.0/23	/23	ARIN
73.6.198.0/23	/23	ARIN
73.6.200.0/23	/23	ARIN
73.6.202.0/23	/23	ARIN
73.6.204.0/23	/23	ARIN
73.6.207.0/24	/24	ARIN
73.6.208.0/23	/23	ARIN
73.6.210.0/23	/23	ARIN
73.6.212.0/23	/23	ARIN
73.6.214.0/23	/23	ARIN
73.6.216.0/22	/22	ARIN
73.6.221.0/24	/24	ARIN
73.6.222.0/23	/23	ARIN
73.6.224.0/23	/23	ARIN
73.6.226.0/23	/23	ARIN
73.6.228.0/23	/23	ARIN
73.6.230.0/23	/23	ARIN
73.6.232.0/23	/23	ARIN
73.6.234.0/23	/23	ARIN
73.6.236.0/22	/22	ARIN
73.6.240.0/23	/23	ARIN
73.6.242.0/23	/23	ARIN
73.6.244.0/24	/24	ARIN
73.6.245.0/24	/24	ARIN
73.6.246.0/23	/23	ARIN
73.6.248.0/24	/24	ARIN
73.6.249.0/24	/24	ARIN
73.6.250.0/23	/23	ARIN
73.6.252.0/23	/23	ARIN
73.6.254.0/24	/24	ARIN
73.6.255.0/24	/24	ARIN
73.32.0.0/16	/16	ARIN
73.32.0.0/23	/23	ARIN
73.32.2.0/24	/24	ARIN
73.32.3.0/24	/24	ARIN
73.32.4.0/23	/23	ARIN
73.32.6.0/24	/24	ARIN
73.32.8.0/24	/24	ARIN

Showing 200 of 3,440.

ROA-based and RPKI-valid-only prefix lists for routers are on asn.ipinfo.app.

RPKI · ASPA

Declared transit providers

No ASPA record This network has not published an ASPA object. ASPA lets a network sign the list of its transit providers, so routers can reject paths that route through anyone else (route leaks). Only a few thousand networks publish one so far, so its absence is normal.

IRR

Registered route objects

18 objects · 16 not announced

Route objects naming AS33662 as origin, across RADb, the RIR registries, ALTDB and NTTCOM. Objects that are registered but not announced come first: a stale object lets anyone who can spoof this origin through an IRR-built filter.

Prefix	Source	Description	Maintainer	Changed	Routing
50.176.64.0/19	ARIN	Comcast Cable Communications, LLC	`MNT-CCCS`	2026-05-29	Not announced
50.191.64.0/19	ARIN	Comcast Cable Communications, LLC	`MNT-CCCS`	2026-05-29	Not announced
68.85.244.0/22	RADB	Comcast Cable Communications, Inc.	`MAINT-AS7922`	2023-11-13	Not announced
68.85.248.0/21	RADB	Comcast Cable Communications, Inc.	`MAINT-AS7922`	2023-11-13	Not announced
68.86.54.0/23	RADB	Comcast Cable Communications, Inc.	`MAINT-AS7922`	2023-11-13	Not announced
69.252.124.0/22	ARIN	Comcast Cable Communications, LLC	`MNT-CCCS`	2026-05-29	Not announced
74.95.148.0/22	RADB	Comcast Cable Communications, Inc.	`MAINT-AS7922`	2023-11-13	Not announced
74.95.208.0/20	RADB	Comcast Cable Communications, Inc.	`MAINT-AS7922`	2023-11-13	Not announced
74.95.224.0/19	RADB	Comcast Cable Communications, Inc.	`MAINT-AS7922`	2023-11-13	Not announced
75.148.128.0/17	RADB	Comcast Cable Communications, Inc.	`MAINT-AS7922`	2023-11-13	Not announced
96.200.20.0/24	ARIN	Comcast Cable Communications, LLC	`MNT-CCCS`	2026-05-29	Not announced
96.217.136.0/21	ARIN	Comcast Cable Communications, LLC	`MNT-CCCS`	2026-05-29	Not announced
104.36.227.0/24	ARIN	Harris County Emergency Services District #7	`MNT-SVFA`	2022-05-04	Not announced
184.115.96.0/19	ARIN	Comcast Cable Communications, LLC	`MNT-CCCS`	2026-01-09	Not announced
2001:558:a011::/48	ARIN	Comcast Cable Communications, LLC	`MNT-CCCS`	2026-01-09	Not announced
2603:3093::/32	ARIN	Comcast Cable Communications, LLC	`MNT-CCCS`	2026-01-09	Not announced
2001:559:154::/48	ARIN	Comcast Cable Communications, LLC	`MNT-CCCS`	2025-05-06	Announced
2001:559:182::/48	ARIN	Comcast Cable Communications, LLC	`MNT-CCCS`	2025-05-06	Announced

IRR

AS-sets

The as-set is what upstreams expand to build this network's customer filter. Sets that list AS33662 directly show who expects to carry it.

AS-set	Where	Relationship
`AS-COMCAST-IBONE`	RADB	Lists AS33662 as a direct member
`AS-COMCAST-RANS`	RADB	Lists AS33662 as a direct member
`AS-CTBC-CUSTOMERS65`	RADB	Lists AS33662 as a direct member
`AS-TMNET-CUSTOMERS`	RADB	Lists AS33662 as a direct member
`AS14296:AS-PEERS`	ARIN	Lists AS33662 as a direct member
`AS7922:AS-COMCAST-RANS`	ARIN	Lists AS33662 as a direct member

RPKI from rpki-client, validated 2026-10-13 12:16 UTC. IRR from ARIN, RADB, RIPE, ALTDB, APNIC, LACNIC, NTTCOM, AFRINIC, collected 2026-10-13. Cross-check on bgp.he.net.