Check-Host.cc

Autonomous System

AS33657 · Comcast - Baltimore and D.C.

Aggregated from public BGP, CT logs, our scan layer, honeypots and global probes.

Announced IPs
11,776
IPv4
IPv4 Prefixes
30
IPv6 Prefixes
242
Hosted Domains
3
resolve into this AS
Peers
1
Customers
137

AS Profile

AS Name
Comcast - Baltimore and D.C.
Also known as
Comcast - Baltimore and D.C. (BAD)
AS Type
Cable/DSL/ISP
Scope
Regional
RIR
ARIN
Country
US
Allocated
2005-02-16

RPKI Validity

Total ROAs
4,170
Valid Prefixes
266
NotFound
6
Announced (BGP)
272
RPKI Coverage
97.8%

Geographic Footprint

Countries where this AS's scanned IPs are geolocated, by open-IP count.

US
84

Top Open Ports

Most common open ports across IPs in this AS (last 30 days).

Port Open IPs
22 18
443 4
80 1
5222 1