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
79,278
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
6,788
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
165,006
PR
76
MX
33
GB
27
CA
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 12,112
80 8,883
22 2,426
8000 1,951
179 1,880
32400 1,637
8443 1,607
2000 1,580
5060 1,384
8080 1,294
554 1,154
53 894
1194 685
25 683
21 653

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.