AS33659 CMCS - Comcast Cable Communications, LLC
🇺🇸ARINassigned
Announced Prefixes (BGP)
325total
182 IPv4143 IPv6
IPv4 Addresses
Allocated (RIR)18,176
Announced (BGP)1.2M
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)1×10³¹
Announced Prefixes
(BGP)325|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
23.227.64.0/22MOAS | Invalid | - | 2026-10-10 |
23.227.92.0/22MOAS | Invalid | - | 2026-10-10 |
23.234.144.0/22MOAS | Invalid | - | 2026-10-10 |
23.234.152.0/22MOAS | Invalid | - | 2026-10-10 |
| Valid | - | 2026-10-10 | |
24.75.216.0/22MOAS | No ROA | - | 2026-10-10 |
1-10 of 325
1 / 33
Allocated Prefixes
(RIR)21Prefix | Country | RIR | Status |
|---|---|---|---|
| 31.132.54.0/23 | 🇺🇸 US | RIPE | assigned |
| 45.150.168.0/22 | 🇲🇩 MD | RIPENCC | allocated |
| 45.151.196.0/22 | 🇲🇩 MD | RIPENCC | allocated |
| 45.248.54.0/24 | 🇺🇸 US | RIPE | assigned |
| 63.246.150.0/24 | 🇺🇸 US | RIPE | assigned |
| 78.31.205.0/24 | 🇺🇸 US | RIPE | assigned |
| 95.164.224.0/22 | 🇺🇸 US | RIPE | assigned |
| 138.226.0.0/20 | 🇺🇸 US | RIPE | assigned |
| 170.100.128.0/22 | 🇺🇸 US | RIPENCC | assigned |
| 170.100.192.0/21 | 🇺🇸 US | RIPENCC | assigned |
1-10 of 21
1 / 3
All 325 announced prefixes of AS33659 →
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS33659 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (22)
Networks whose own prefixes AS33659 passes on: usually its customers.
- AS21669New Jersey State Library7
- AS13913Affiliated Monitoring5
- AS30302ASPEN DENTAL MANAGEMENT2
- AS397589AMEREAM NJP2
- AS11205City Of Philadelphia1
- AS18583Hatteras CPC1
- AS19576Eastern University1
- AS22774-1
- AS26450CTDI1
- AS29891National Cable Communications1
- AS30597A.M. Best Company1
- AS36040Google1
- AS40886Plymouth Rock Assurance Corporation1
- AS46424New Jersey Turnpike Authority1
- AS53291WSFS Bank1
- AS53750Neumann University1
- AS54282Johnson & Johnson1
- AS549861 800 Flowers.Com1
- AS394096Cape Regional Medical Center1
- AS394206Deborah Heart And Lung Center1
- AS401712Nebius1
- AS402703Atlantic1
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 AS33659 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/33659Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/33659" | jq