Network · data from 2026-11-12
AS33653 Comcast - Pima
Registry name: CMCS - Comcast Cable Communications, LLC, US · PeeringDB
Announced routes
Every prefix a peer of the route collectors sees with origin AS33653, things to look at first. Visibility = full-table peers that see it, of 673 (IPv4) and 636 (IPv6) on 75 collectors. Also as routes.csv.
| 50.197.226.0/23 | Valid | None | 5 1%low visibility |
| 24.11.144.0/20 | Valid | RIR databaseARIN | 5 1%low visibility |
| 50.188.130.0/23 | Valid | RIR databaseARIN | 5 1%low visibility |
| 50.208.236.0/24 | Valid | RIR databaseARIN | 5 1%low visibility |
| 50.208.238.0/23 | Valid | RIR databaseARIN | 5 1%low visibility |
| 50.248.112.0/23 | Valid | RIR databaseARIN | 5 1%low visibility |
| 50.252.182.0/23 | Valid | RIR databaseARIN | 5 1%low visibility |
| 64.139.76.0/24 | Valid | RIR databaseARIN | 5 1%low visibility |
| 64.139.88.0/23 | Valid | RIR databaseARIN | 5 1%low visibility |
| 66.208.204.0/23 | Valid | RIR databaseARIN | 5 1%low visibility |
| 66.208.218.0/23 | Valid | RIR databaseARIN | 5 1%low visibility |
| 66.208.223.0/24 | Valid | RIR databaseARIN | 5 1%low visibility |
| 68.84.192.0/20 | Valid | RIR databaseARIN | 5 1%low visibility |
| 68.86.201.0/24 | Valid | RIR databaseARIN | 5 1%low visibility |
| 68.87.172.0/24 | Valid | RIR databaseARIN | 5 1%low visibility |
| 69.136.112.0/20 | Valid | RIR databaseARIN | 5 1%low visibility |
| 69.137.176.0/20 | Valid | RIR databaseARIN | 5 1%low visibility |
| 69.242.224.0/20 | Valid | RIR databaseARIN | 5 1%low visibility |
| 69.244.0.0/19 | Valid | RIR databaseARIN | 5 1%low visibility |
| 69.244.32.0/19 | Valid | RIR databaseARIN | 5 1%low visibility |
| 69.254.192.0/20 | Valid | RIR databaseARIN | 5 1%low visibility |
| 70.88.172.0/24 | Valid | RIR databaseARIN | 5 1%low visibility |
| 70.88.173.0/24 | Valid | RIR databaseARIN | 5 1%low visibility |
| 70.89.75.0/24 | Valid | RIR databaseARIN | 5 1%low visibility |
| 71.226.32.0/19 | Valid | RIR databaseARIN | 5 1%low visibility |
| 71.226.112.0/20 | Valid | RIR databaseARIN | 5 1%low visibility |
| 71.228.144.0/20 | Valid | RIR databaseARIN | 5 1%low visibility |
| 74.93.39.0/24 | Valid | RIR databaseARIN | 5 1%low visibility |
| 74.94.94.0/24 | Valid | RIR databaseARIN | 5 1%low visibility |
| 74.95.131.0/24 | Valid | RIR databaseARIN | 5 1%low visibility |
| 75.146.134.0/24 | Valid | RIR databaseARIN | 5 1%low visibility |
| 76.18.96.0/19 | Valid | RIR databaseARIN | 5 1%low visibility |
| 76.29.208.0/20 | Valid | RIR databaseARIN | 5 1%low visibility |
| 76.134.160.0/19 | Valid | RIR databaseARIN | 5 1%low visibility |
| 76.159.128.0/17 | Valid | RIR databaseARIN | 5 1%low visibility |
| 96.73.40.0/23 | Valid | RIR databaseARIN | 5 1%low visibility |
| 96.75.4.0/23 | Valid | RIR databaseARIN | 5 1%low visibility |
| 96.81.4.0/22 | Valid | RIR databaseARIN | 5 1%low visibility |
| 96.91.74.0/23 | Valid | RIR databaseARIN | 5 1%low visibility |
| 96.97.46.0/23 | Valid | RIR databaseARIN | 5 1%low visibility |
| 98.48.192.0/19 | Valid | RIR databaseARIN | 5 1%low visibility |
| 107.2.0.0/18 | Valid | RIR databaseARIN | 5 1%low visibility |
| 173.10.236.0/23 | Valid | RIR databaseARIN | 5 1%low visibility |
| 184.116.252.0/22 | Valid | RIR databaseARIN | 5 1%low visibility |
| 2001:558:50::/44 | Valid | RIR databaseARIN | 5 1%low visibility |
| 2001:558:fe2c::/48 | Valid | RIR databaseARIN | 5 1%low visibility |
| 2601:500::/26 | Valid | RIR databaseARIN | 5 1%low visibility |
| 2603:2500::/26 | Valid | RIR databaseARIN | 5 1%low visibility |
| 2603:301e::/32 | Valid | RIR databaseARIN | 5 1%low visibility |
| 2603:30a1::/32 | Valid | RIR databaseARIN | 5 1%low visibility |
| 24.23.64.0/20 | Valid | RIR databaseARIN | 3 0%low visibility |
| 73.24.128.0/17 | Valid | RIR databaseARIN | 3 0%low visibility |
| 73.127.64.0/19 | Valid | RIR databaseARIN | 3 0%low visibility |
| 98.225.64.0/18 | Valid | RIR databaseARIN | 3 0%low visibility |
AS-SET
AS33653's PeeringDB record names no AS-SET.
Fix list
The changes that would bring RPKI, the IRR and what's announced into line. Some are deliberate (a route object kept for a backup route, say); the network decides. All 6 are in fix.csv.
- Route object: none1
- Route object: not announced5
| Change | Prefix or set | Detail |
|---|---|---|
| Route object: none | 50.197.226.0/23 | No route object for it. Add a route object with origin AS33653 in the RIR database for the space. |
Route objects not announced
Route objects with origin AS33653 whose prefix no peer sees AS33653 announce. Many are kept on purpose (backup routes, space announced only in some places).
| 50.145.144.0/22 | ARIN | Valid |
| 96.124.176.0/22 | ARIN | Valid |
| 96.216.23.128/25 | ARIN | Valid |
| 162.151.153.128/25 | ARIN | Valid |
| 2001:558:a01f::/48 | ARIN | Valid |
Routes: the 08:00 UTC snapshots of 2026-11-12 from 75 RIPE RIS and RouteViews collectors. RPKI: our rpki-client run before the snapshot. IRR: the day's dumps of the five RIR databases and RADB's mirrors. The LEVEL3 and IDNIC databases publish no dump and aren't read, so route objects only there count as none.