81.208.0.0/16 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

81.208.0.0/16

Anycast
0 (0.00%)
Responding /24s
154 (of 256)
CDN
0 (0.00%)
RPKI valid
90.0%

Summary

81.208.0.0/16 holds 65,536 addresses spread across 4 countries and 5 autonomous systems, announced through 7 BGP prefixes. The largest single share sits in Italy at 50.00%. It is administered by RIPE NCC, with registrations dating from 2002-10-01. 2,899 addresses answered ping and 0 are served over anycast.

Networks
5
BGP prefixes
7
Countries
4
Pingable IPs
2,899
Companies
3
Child ranges
256

IP Address Coverage

Mapped
65,536
Unmapped
0
Total addresses
65,536

Security

5,159 flagged addresses — 7.87% of 65,536 total.

Anonymous
360.05%
Known attacker
300.05%
Spam
6<0.01%
Bot
00.00%
Cloud provider
5,1367.84%
VPN
240.04%
Residential proxy
120.02%
Proxy
120.02%

Coverage

Address Space

78.1%

of the range is
announced in BGP

Routed
51,200 78.12%
Assigned, not routed
14,336 21.88%

Regional registry

  • RIPE NCC100.00%

Routing security (RPKI)

90.0%

of announced space
has a valid route origin

Valid
46,080 90.00%
No ROA
5,120 10.00%

/16 range map

Explore the most reachable child ranges.

Autonomous systems

showing 5 of 5

ASNOperatorIPv4 routesIPv6 routesAddresses hereShare
AS12874
ITFastweb S.p.A.
 110 18 32,768
64.00%
AS14544
USOracle Corporation
 10 9 8,192
16.00%
AS31898
USOracle Corporation
 2,864 1,010 5,120
10.00%
AS25343
GBCoventry University
 1 0 4,096
8.00%
AS1218
USOracle Corporation
 23 19 1,024
2.00%

Showing 5 of 5

All IP Ranges

showing 10 of 256

PrefixFirst IPLast IPNo. of IPsPingableAnycastBogon / special‑useCategory
81.208.0.0/24 81.208.0.081.208.0.255256 9637.50% 0 0 Pingable
81.208.1.0/24 81.208.1.081.208.1.255256 16464.06% 0 0 Pingable
81.208.2.0/24 81.208.2.081.208.2.255256 6525.39% 0 0 Pingable
81.208.3.0/24 81.208.3.081.208.3.255256 83.13% 0 0 Pingable
81.208.4.0/24 81.208.4.081.208.4.255256 93.52% 0 0 Pingable
81.208.5.0/24 81.208.5.081.208.5.255256 62.34% 0 0 Pingable
81.208.6.0/24 81.208.6.081.208.6.255256 10.39% 0 0 Pingable
81.208.7.0/24 81.208.7.081.208.7.255256 83.13% 0 0 Pingable
81.208.8.0/24 81.208.8.081.208.8.255256 4417.19% 0 0 Pingable
81.208.9.0/24 81.208.9.081.208.9.255256 51.95% 0 0 Pingable