AS33733
AS33733
RIPE NCC
ISP
Data retrieved at
This AS-only summary is estimated from a sample IP within a prefix announced by this AS, not from a specific query. Search a real IP for exact details.
Network
AS Number
AS33733
Company
CASTRO TELECOM LLC
AS Domain
ulisboa.pt
Using host.io for pre-visualize domains.
Type
ISP
IPv4 Addresses
1,280
IPv6 Addresses
0
Registry (RIR)
RIPE NCC
64.93.80.0/22
Abuse Contacts
Announced Prefixes (2)
Netblock
Num. of IPs
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Unknown
No valid ROA was found for this prefix.
UNKNOWN
Validated Prefix
64.93.80.0/22
Authorized ASN
AS33733
IP Geolocation
Country
Portugal
Continent
Europe
European Union
Yes
Phone prefix
+351
Currency
Euro (EUR €)
Approximate location (country-level)
Open in Maps