$ query “AS20214” --type=asn → 1 result(s)
AS20214 — COMCAST-20214
Comcast Cable Communications LLC
AS20214 is a mid-size transit provider registered to Comcast Cable Communications LLC, registered in the United States since 2001. The network announces a solid 136 448 IPv4 addresses, including a /16. Supports IPv6.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Internet Service Provider
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- April 06, 2001
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 23 / 21
- IPv6 Prefixes (raw / aggregated)
- 103 / 95
- IPv4 Addresses
- 136 448
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Largest IPv6 Prefix
- /47
- Geolocated Countries
- 🇺🇸 US (23 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 136 448 total (0.00%)
Connectivity Summary
- Upstream Providers
- 2 upstream autonomous systems providing transit
- Peers
- 0 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 19 downstream autonomous systems buying transit
- Degree
- 22 unique BGP neighbors (providers + customers + peers)
- Reach
- 21 — customer cone size measuring network influence
- Degree Rank
- #7 086
- Reach Rank
- #2 234
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (23 total)
- 147.137.0.0/16 (65 536 addresses)
- 168.221.0.0/16 (65 536 addresses)
- 50.205.246.0/23 (512 addresses)
- 50.233.138.0/23 (512 addresses)
- 50.150.146.0/24 (256 addresses)
- 50.200.25.0/24 (256 addresses)
- 50.200.159.0/24 (256 addresses)
- 50.202.4.0/24 (256 addresses)
- 50.202.167.0/24 (256 addresses)
- 50.202.227.0/24 (256 addresses)
- 50.216.237.0/24 (256 addresses)
- 50.222.172.0/24 (256 addresses)
- 50.223.45.0/24 (256 addresses)
- 50.224.11.0/24 (256 addresses)
- 50.224.22.0/24 (256 addresses)
- 50.224.86.0/24 (256 addresses)
- 50.224.249.0/24 (256 addresses)
- 50.229.72.0/24 (256 addresses)
- 50.237.82.0/24 (256 addresses)
- 50.237.224.0/24 (256 addresses)
- 141.193.53.0/24 (256 addresses)
IPv6 Prefixes (103 total)
- 2001:559:ec::/47
- 2001:559:5ae::/47
- 2001:559:81d2::/47
- 2001:559:85be::/47
- 2001:559:8750::/47
- 2001:559:c0d0::/47
- 2001:559:c25a::/47
- 2001:559:c4f0::/47
- 2001:559:89::/48
- 2001:559:ea::/48
- 2001:559:116::/48
- 2001:559:11c::/48
- 2001:559:140::/48
- 2001:559:142::/48
- 2001:559:160::/48
- 2001:559:168::/48
- 2001:559:18b::/48
- 2001:559:1ac::/48
- 2001:559:1cb::/48
- 2001:559:1cd::/48
- 2001:559:205::/48
- 2001:559:232::/48
- 2001:559:274::/48
- 2001:559:281::/48
- 2001:559:2a0::/48
- 2001:559:2cf::/48
- 2001:559:2f8::/48
- 2001:559:386::/48
- 2001:559:3e6::/48
- 2001:559:401::/48
- 2001:559:463::/48
- 2001:559:478::/48
- 2001:559:4d4::/48
- 2001:559:4ef::/48
- 2001:559:514::/48
- 2001:559:554::/48
- 2001:559:55c::/48
- 2001:559:71c::/48
- 2001:559:77e::/48
- 2001:559:804f::/48
- 2001:559:8075::/48
- 2001:559:8077::/48
- 2001:559:8106::/48
- 2001:559:8112::/48
- 2001:559:813f::/48
- 2001:559:815b::/48
- 2001:559:816f::/48
- 2001:559:81d1::/48
- 2001:559:821d::/48
- 2001:559:8332::/48