Check-Host.cc

Autonomous System

AS21928 · T-Mobile USA

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

Announced IPs
14.09M
IPv4
IPv4 Prefixes
286
IPv6 Prefixes
256
Hosted Domains
6,524
resolve into this AS
Peers
61
Customers
3

AS Profile

AS Name
T-Mobile USA
Also known as
#uncarrier
AS Type
Cable/DSL/ISP
Scope
North America
IRR AS-SET
AS-21928
RIR
ARIN
Country
US
Allocated
2002-06-12

RPKI Validity

Total ROAs
388
Valid Prefixes
18
NotFound
524
Announced (BGP)
542
RPKI Coverage
3.3%

Geographic Footprint

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

US
14,593
PR
1

Top Open Ports

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

Port Open IPs
80 396
443 352
8443 328
8080 271
22 198
554 148
53 132
8888 106
5902 100
179 95
1080 89
2082 88
9443 84
2083 82
8000 77