Check-Host.cc

Autonomous System

AS7018 · AT&T US - 7018

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

Announced IPs
113.7M
IPv4
IPv4 Prefixes
682
IPv6 Prefixes
27
Hosted Domains
79,581
resolve into this AS
Peers
38
Customers
2,349

AS Profile

AS Name
AT&T US - 7018
AS Type
NSP
Scope
North America
RIR
ARIN
Country
US
Allocated
1996-07-30

RPKI Validity

Total ROAs
4,913
Valid Prefixes
256
NotFound
453
Announced (BGP)
709
RPKI Coverage
36.1%

Geographic Footprint

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

US
165,665
PR
77
MX
33
CA
28
GB
27
AU
16
NL
11
SG
9
5
DE
5
AR
5
BR
5

Top Open Ports

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

Port Open IPs
443 12,380
80 9,081
22 2,475
8000 1,990
179 1,902
32400 1,675
8443 1,643
2000 1,604
5060 1,413
8080 1,325
554 1,174
53 919
1194 699
25 693
21 664

Upstreams

Tier-1 / transit-free network

CAIDA AS-Relationships sees no upstream transit provider for this ASN — either a tier-1 carrier, a settlement-free routing arrangement, or an ASN that peers privately. Tier-1s like AS174, AS3356, AS6939 also show empty here.