Check-Host.cc

Autonomous System

AS8220 · Colt

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

Announced IPs
1.52M
IPv4
IPv4 Prefixes
152
IPv6 Prefixes
19
Hosted Domains
11,351
resolve into this AS
Peers
1,074
Customers
1,086

AS Profile

AS Name
Colt
Also known as
Colt Technology Services, Colt Telecom
AS Type
NSP
Scope
Global
Traffic
1-5Tbps
IRR AS-SET
RIPE::AS8220:AS-COLT
RIR
RIPE NCC
Country
GB
Allocated
1997-02-24

RPKI Validity

Total ROAs
1,074
Valid Prefixes
155
NotFound
16
Announced (BGP)
171
RPKI Coverage
90.6%

Geographic Footprint

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

DE
4,370
FR
1,974
ES
1,576
IT
1,392
GB
1,140
JP
726
CH
452
BE
405
NL
325
PT
252
AT
246
IE
86

Top Open Ports

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

Port Open IPs
443 1,070
80 600
179 254
25 211
22 144
5060 141
2000 121
8443 116
23 107
587 72
21 65
53 64
465 51
10443 50
1723 50