AS29891 — NATIONAL-1
AS Name: NATIONAL-1
Description: National Cable Communications LLC
Registry: RADB
aut-num: AS29891
as-name: NATIONAL-1
descr: National Cable Communications LLC
admin-c: Seth Weingarten
tech-c: Seth Weingarten
mnt-by: MAINT-AS29891
changed: seth.weingarten@nccmedia.com 20131023 #21:54:52Z
source: RADB
last-modified: 2026-01-21T14:00:04Z
Direct Membership
Macros that directly list AS29891 as a member:
AS-COMCAST-EDIA(2333 members)
Expanded Membership
All macros containing AS29891 (directly or via nested macros): 13
Show 13 macros
AS-COMCAST-EDIA(2,771 ASNs)
AS-COMCAST-IBONE(19,609 ASNs)
AS-GLOBEINTERNET(84,477 ASNs)
AS-GLOBEINTERNET-CLIENTS(84,477 ASNs)
AS-DECIX(96,509 ASNs)
AS-NFON-DECIX-PEERS-V4(96,509 ASNs)
AS-NFON-DECIX-PEERS-V6(96,509 ASNs)
AS6695:AS-DECIX-FRA(96,509 ASNs)
AS-ST1-IXPS(96,670 ASNs)
AS-DECIX-V6(100,277 ASNs)
AS6695:AS-DECIX-FRA-V6(100,277 ASNs)
AS-CLOUD-IX-PRO(100,911 ASNs)
AS-MERKEL-PEERS(100,925 ASNs)
Upstream AS Paths
47 unique paths, avg length 3.3
AS Looking Glass
Upstream paths (matching graph above)
All 47 Upstream Paths
Complete list of all observed paths
AS29891 IPv4 Address Subnets (4)
| 216.143.178.0/24 | 🇺🇸 US | Level3 Provided /24 | NATIONAL-1 |
| 50.227.87.0/24 | 🇺🇸 US | NATIONAL-1 | |
| 50.236.110.0/24 | 🇺🇸 US | NATIONAL-1 | |
| 63.97.151.0/24 | 🇺🇸 US | Verizon Provided /24 | NATIONAL-1 |