HomePrefix Lookup18.66.0.0/16

18.66.0.0/16 - BGP Prefix

IPv4ARINnot announced Anycast RPKI Valid
CIDR
18.66.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
๐Ÿ‡บ๐Ÿ‡ธ United States
City
Seattle
RIR
ARIN
Status
not announced
Allocated
-

Announced BGP Routes

0 of 0 routes
RPKI:
IRR:

Swipe sideways to see all columns โ†’

PrefixOrigin ASRPKIIRRLast Seen
This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below.

More-Specific Announcements

191 more-specific announcements
PrefixOrigin ASRPKIIRRLast Seen
18.66.0.0/21AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.8.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.12.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.13.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.14.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.15.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.16.0/21AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.16.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.17.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.18.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.19.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.20.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.21.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.22.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.23.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.24.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.24.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.25.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.26.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.27.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.28.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.29.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.30.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.30.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.31.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.32.0/21AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.32.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.33.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.34.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.35.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.36.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.37.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.38.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.39.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.40.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.40.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.41.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.42.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.43.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.44.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.45.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.46.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.46.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.47.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.48.0/21AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.48.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.49.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.50.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.51.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.52.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.53.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.54.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.55.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.56.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.56.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.57.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.58.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.58.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.59.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.60.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.64.0/21AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.72.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.73.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.74.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.75.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.76.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.76.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.77.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.78.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.79.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.80.0/21AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.80.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.81.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.82.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.83.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.84.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.85.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.86.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.87.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.88.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.88.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.89.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.90.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.90.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.91.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.92.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.92.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.93.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.94.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.95.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.96.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.96.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.97.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.98.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.99.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.100.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.100.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.101.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.102.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.103.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.104.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.105.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.106.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.106.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.107.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.108.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.108.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.109.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.110.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.111.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.112.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.112.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.113.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.114.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.115.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.116.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.116.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.117.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.118.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.118.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.119.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.120.0/21AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.120.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.121.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.122.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.123.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.124.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.125.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.126.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.127.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.128.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.128.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.129.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.130.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.131.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.132.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.133.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.134.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.135.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.136.0/21AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.136.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.137.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.138.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.139.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.140.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.141.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.142.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.143.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.144.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.144.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.145.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.146.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.147.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.165.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.166.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.166.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.167.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.168.0/21AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.168.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.169.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.170.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.171.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.172.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.173.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.174.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.175.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.176.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.176.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.177.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.180.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.184.0/21AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.192.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.195.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.196.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.200.0/21AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.210.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.212.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.216.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.220.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.222.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.225.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.226.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.228.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.232.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.236.0/23AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.240.0/21AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.248.0/22AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.252.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.253.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.254.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15
18.66.255.0/24AS16509 AMAZON-02 - Amazon.com, Inc. Valid-2026-10-15

RPKI ROAs

1
PrefixOriginMax LengthTrust Anchor
18.64.0.0/14AS16509/24arin

Transfer History

Registry transfers of 18.66.0.0/16, blocks inside it, or blocks containing it.

1
Geolocation
This is an anycast prefix. The location shown is the organization HQ - actual server location varies by your network path.
Country๐Ÿ‡บ๐Ÿ‡ธUnited StatesUS
RegionWashington
CitySeattle
TimezoneAmerica/Los_Angeles

Learn more

GEThttps://api.ipctl.io/v1/prefix/18.66.0.0/16

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/18.66.0.0/16" | jq
External Links