AS33654 CMCS - Comcast Cable Communications, LLC
🇺🇸ARINassigned
Announced Prefixes (BGP)
88total
65 IPv423 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)337,920
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)1×10³¹
Announced Prefixes
(BGP)88|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 | |
| Valid | ARIN | 2026-10-11 |
1-10 of 88
1 / 9
All 88 announced prefixes of AS33654 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS33654 hands its own prefixes to: transit providers, or peers at an exchange.
- AS7922Comcast Cable Communications88
Downstreams (8)
Networks whose own prefixes AS33654 passes on: usually its customers.
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 AS33654 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/33654Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/33654" | jq