AS33660 CMCS - Comcast Cable Communications, LLC
🇺🇸ARINassigned
Announced Prefixes (BGP)
164total
101 IPv463 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)622,336
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)1×10³¹
Announced Prefixes
(BGP)164|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 |
1-10 of 164
1 / 17
All 164 announced prefixes of AS33660 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS33660 hands its own prefixes to: transit providers, or peers at an exchange.
- AS7922Comcast Cable Communications164
Downstreams (25)
Networks whose own prefixes AS33660 passes on: usually its customers.
- AS19477F J Management5
- AS19648Corporation Of The Presiding Bishop Of The Church Of Jesus Christ Of Latter Day Saints3
- AS11052Intermountain Health Care2
- AS27178Practice Management Technologies And Services2
- AS33741Dennis Group2
- AS54113Fastly2
- AS10786Chartway Federal Credit Union1
- AS11396Williams Information Technology1
- AS14149Icon Health & Fitness1
- AS14950Larry H. Miller Dealerships1
- AS16785USANA1
- AS23389Campbell Scientific1
- AS27480Management & Training Corporation1
- AS29298SUSE Software Solutions Germany1
- AS30639Computer Marketing Corporation1
- AS40644Integra Financial Services1
- AS54308RETOUCHUP.COM1
- AS54977Merit Medical Systems1
- AS55251TaxHawk1
- AS393459Domo1
- AS393541EXTRA SPACE STORAGE1
- AS394185Bank Of Utah1
- AS394662Unified Fire Authority1
- AS397612ARCHITECTURAL NEXUS1
- AS399421EDUCATORS MUTUAL INSURANCE ASSOCIATION1
Other adjacent networks (1)
Adjacent to AS33660 in the transit part of AS paths: peers, providers or customers.
- AS3356Level 3 Parent3
ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS33660 should publish an ASPA object
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/33660Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/33660" | jq