209.166.0.0/16 IP Address Range

Explore geolocation information for IP ranges, including the start and end addresses and their corresponding CIDR or prefix. See details about the networks and locations associated with each address. Understand how these IPs are organized and distributed across different networks.

IPv4 range intelligence

209.166.0.0/16

Anycast
0 (0.00%)
Responding /24s
122 (of 256)
CDN
0 (0.00%)
RPKI valid
92.6%

Summary

209.166.0.0/16 holds 65,536 addresses spread across 5 countries and 17 autonomous systems, announced through 51 BGP prefixes. The largest single share sits in United States at 87.11%. It is administered by ARIN, with registrations dating from 1997-12-10. 8,765 addresses answered ping and 0 are served over anycast.

Networks
17
BGP prefixes
51
Countries
5
Pingable IPs
8,765
Companies
17
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

35,584 flagged addresses — 54.30% of 65,536 total.

Anonymous
1,5082.30%
Known attacker
1000.15%
Spam
170.03%
Bot
160.02%
Cloud provider
35,07253.52%
VPN
1,1211.71%
Residential proxy
1880.29%
Proxy
3880.59%

Coverage

Address Space

94.9%

of the range is
announced in BGP

Routed
62,208 94.92%
Assigned, not routed
3,328 5.08%

Regional registry

  • ARIN100.00%

Routing security (RPKI)

92.6%

of announced space
has a valid route origin

Valid
57,600 92.59%
No ROA
4,608 7.41%

/16 range map

Explore the most reachable child ranges.

Autonomous systems

showing 10 of 17

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS16509
USAmazon.com, Inc.
 19,751 6,036 16,384
26.34%
AS17054
USExpedient
 71 3 15,872
25.51%
AS3853
USWhidbey Telephone Company
 3 1 8,192
13.17%
AS3320
DEDeutsche Telekom AG
 922 50 5,632
9.05%
AS20001
USCharter Communications, Inc.
 601 36 4,096
6.58%
AS395461
USBoldyn Networks Higher Ed LLC
 34 2 3,840
6.17%
AS6079
USRCN Telecom Services, LLC
 2,835 133 2,048
3.29%
AS2914
USNTT America, Inc.
 1,709 11 1,280
2.06%
AS9009
ROM247 Europe SRL
 4,502 815 1,024
1.65%
AS55470
INCyfuture India Pvt. Ltd.
 132 5 1,024
1.65%

Showing 10 of 10

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
209.166.0.0/24 209.166.0.0209.166.0.255256 22286.72% 0 0 Pingable
209.166.1.0/24 209.166.1.0209.166.1.255256 23692.19% 0 0 Pingable
209.166.2.0/24 209.166.2.0209.166.2.255256 0 0 0 No ping response
209.166.3.0/24 209.166.3.0209.166.3.255256 0 0 0 No ping response
209.166.4.0/24 209.166.4.0209.166.4.255256 0 0 0 No ping response
209.166.5.0/24 209.166.5.0209.166.5.255256 0 0 0 No ping response
209.166.6.0/24 209.166.6.0209.166.6.255256 23591.80% 0 0 Pingable
209.166.7.0/24 209.166.7.0209.166.7.255256 23190.23% 0 0 Pingable
209.166.8.0/24 209.166.8.0209.166.8.255256 10.39% 0 0 Pingable
209.166.9.0/24 209.166.9.0209.166.9.255256 10.39% 0 0 Pingable